/* ========================================
   exercAIse CSS
   Professional Design System
   ========================================
   
   TABLE OF CONTENTS:
   
   1. DESIGN TOKENS (CSS Variables)............Line 5
      - Colors (gray, primary, semantic)
      - Spacing scale (4px base unit)
      - Typography (sizes, weights, line-heights)
      - Border radius, transitions, shadows
   
   2. BASE STYLES & TYPOGRAPHY.................Line 150
      - Reset & utilities
      - Headings, paragraphs, links
      - Code blocks
   
   3. LAYOUT COMPONENTS........................Line 230
      - Containers, grids, flex utilities
      - Header & footer
      - Navigation
   
   4. FORM ELEMENTS............................Line 365
      - Inputs, textareas, labels
      - Form actions & buttons
      - Set rows & exercise logging
   
   5. COMPONENTS...............................Line 515
      - Buttons (primary, secondary, danger)
      - Cards (exercise, workout, stat cards)
      - Status messages & toasts
      - Progress bars & charts
      - RPE scales & tables
   
   6. PAGE-SPECIFIC STYLES.....................Line 625
      - RPE guide page
      - Exercise detail pages
      - Week view
      - History lists
   
   7. UTILITY CLASSES..........................Line 1125
      - Spacing (margins, padding)
      - Text utilities (sizes, weights, alignment)
      - Shadows, borders, visibility
      - Loading states & animations
   
   8. RESPONSIVE BREAKPOINTS...................Line 1215
      - Mobile-first breakpoints
      - Safe area insets
      - Touch target enhancements
      - Print styles
   
   9. DARK MODE................................Line 2245
      - All dark mode overrides consolidated
   
   ======================================== */

/* ========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ======================================== */

:root {
  /* ===== Color Palette ===== */
  
  /* Gray Scale */
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Primary/Brand Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-darker: #1e40af;
  --color-primary-light: #93c5fd;
  --color-brand-purple: #667eea;
  --color-brand-purple-dark: #764ba2;
  
  /* Success/Green */
  --color-success: #059669;
  --color-success-dark: #047857;
  --color-success-darker: #065f46;
  --color-success-light: #d1fae5;
  --color-success-lighter: #a7f3d0;
  --color-success-border: #10b981;
  
  /* Warning/Yellow/Orange */
  --color-warning: #f59e0b;
  --color-warning-dark: #92400e;
  --color-warning-light: #fef3c7;
  --color-warning-lighter: #fde68a;
  --color-warning-border: #ffe69c;
  --color-warning-bg: #fff3cd;
  --color-warning-text: #5f4b00;
  
  /* Error/Red */
  --color-error: #dc2626;
  --color-error-dark: #b91c1c;
  --color-error-darker: #991b1b;
  --color-error-light: #fee2e2;
  --color-error-lighter: #fecaca;
  --color-error-border: #ef4444;
  
  /* Basic Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  
  /* Semantic Colors - Backgrounds */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-hover: #f0f4f9;
  --color-bg-muted: #e8eaed;
  --color-bg-light: #eef1f5;
  --color-bg-gradient-start: #f8fafc;
  --color-bg-gradient-end: #f1f5f9;
  
  /* Semantic Colors - Text */
  --color-text-primary: #1f2937;
  --color-text-secondary: #374151;
  --color-text-light: #666666;
  --color-text-dark: #222222;
  --color-text-medium: #333333;
  --color-text-detail: #444444;
  --color-text-hint: #555555;
  
  /* Semantic Colors - Links */
  --color-link: #0b57d0;
  --color-link-hover: #0a5be1;
  --color-link-active: #0849b9;
  --color-link-visited: #6a35d4;
  --color-link-action: #1a73e8;
  
  /* Semantic Colors - Borders */
  --color-border: #eeeeee;
  --color-border-light: #f3f4f6;
  --color-border-medium: #e4e4e4;
  --color-border-dark: #dadce0;
  
  /* ===== Spacing Scale ===== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  
  /* Common spacing shortcuts */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  
  /* ===== Typography Scale ===== */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 22px;
  --font-size-3xl: 28px;
  --font-size-4xl: 32px;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  --line-height-loose: 1.8;
  
  /* ===== Border Radius ===== */
  --radius-sm: 2px;
  --radius-base: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;
  
  /* ===== Transitions ===== */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* ===== Shadows ===== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ======================================================================
   2. BASE STYLES & TYPOGRAPHY
   ====================================================================== */

/* Muted button when disabled via feature flag */
.disabled {
  opacity: 0.5;
  pointer-events: none;
}
/* Minimal, old-iPad-friendly styles (no CSS variables) */
/* Professional Typography System */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4) 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-800);
}

h1 { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--space-4) 0;
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-700);
}

/* Professional Card System */
.card,
.section,
.exercise-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin: var(--space-4) 0;
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
}

.card:hover,
.section:hover,
.exercise-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
}

/* BEM: Card Header Component */
.card-header {
  margin: calc(-1 * var(--space-5)) calc(-1 * var(--space-5)) var(--space-4) calc(-1 * var(--space-5));
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 2px solid var(--color-border);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.card-header h2 {
  margin: 0 0 var(--space-1) 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.card-header p {
  margin: 0;
  color: var(--color-text-medium);
}

.card-header .form__hint {
  margin: var(--space-2) 0 0 0;
}

/* Creator Context Controls */
.creator-context__grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 720px) {
  .creator-context__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.creator-context__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.creator-context__label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-medium);
}

.creator-context select {
  min-height: 44px;
}

.team-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.team-filter__button {
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-medium);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  min-height: 36px;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.team-filter__button:hover {
  background: var(--color-bg-hover);
}

.team-filter__button.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* BEM: Status Messages Component */
.status {
  background: linear-gradient(135deg, var(--color-warning-light) 0%, var(--color-warning-lighter) 100%);
  color: var(--color-warning-dark);
  border: 1px solid var(--color-warning);
  padding: var(--space-3) 16px;
  margin: var(--space-4) 0;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-medium);
}

.status::before {
  content: 'ℹ️';
  font-size: var(--font-size-base);
}

/* BEM: Status Modifiers */
.status--success {
  background: linear-gradient(135deg, var(--color-success-light) 0%, var(--color-success-lighter) 100%);
  color: var(--color-success-darker);
  border-color: var(--color-success-border);
}

.status--success::before {
  content: '✅';
}

.status--error {
  background: linear-gradient(135deg, var(--color-error-light) 0%, var(--color-error-lighter) 100%);
  color: var(--color-error-darker);
  border-color: var(--color-error-border);
}

/* Minimal, old-iPad-friendly styles (no CSS variables) */
html, body { margin: 0; padding: 0; }
body { 
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
  line-height: var(--line-height-relaxed); 
  color: var(--color-gray-800); 
  background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
  min-height: 100vh;
}

/* Accessible link styles (high contrast, visible underline, clear focus) */
a { color: var(--color-link); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
a:hover { color: var(--color-link-hover); }
a:active { color: var(--color-link-active); }
a:visited { color: var(--color-link-visited); }
a:focus { outline: none; }
a:focus-visible { outline: 2px solid var(--color-link-hover); outline-offset: 2px; border-radius: var(--radius-sm); }

/* BEM: List Components - Improved touch targets for mobile (minimum 44px height) */
.workout-list__item { margin: 0; border-bottom: 1px solid var(--color-border); }
.workout-list__item:last-child { border-bottom: none; }
.workout-list__link { display: block; padding: 14px 12px; min-height: 44px; text-decoration: none; border-radius: var(--radius-base); transition: background-color var(--transition-fast); }
.workout-list__link:hover,
.workout-list__link:active { background-color: var(--color-bg-hover); text-decoration: none; }

/* BEM: History list - same style as workout list */
.history-list__item { margin: 0; border-bottom: 1px solid var(--color-border); }
.history-list__item:last-child { border-bottom: none; }
.history-list__link { display: block; padding: 14px 12px; min-height: 44px; text-decoration: none; border-radius: var(--radius-base); transition: background-color var(--transition-fast); }
.history-list__link:hover,
.history-list__link:active { background-color: var(--color-bg-hover); text-decoration: none; }

/* Improve touch targets for meta action links */

.container { max-width: 860px; margin: 0 auto; padding: var(--space-3) 14px; }

/* BEM: Style Guide Container (wider, more padding) */
.sg-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.sg-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 60px 20px;
  margin: -40px -20px 40px -20px;
  text-align: center;
  border-radius: 0;
}

.sg-header h1 {
  color: white;
  margin: 0 0 10px 0;
  font-size: 48px;
  font-weight: var(--font-weight-bold);
}

.sg-header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  margin: 0;
}

.sg-section {
  margin: 60px 0;
  scroll-margin-top: 80px;
}

.sg-section-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 24px 0;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-primary);
  color: var(--color-text);
}

/* BEM: Page Header Component (for individual pages) */
.page-header {
  margin: 0 0 var(--space-6) 0;
  padding: 0 0 var(--space-4) 0;
  border-bottom: 2px solid var(--color-border);
}

.page-header h1 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: 1.2;
}

.page-description {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-medium);
  line-height: var(--line-height-relaxed);
}

/* ======================================================================
   3. LAYOUT COMPONENTS (Header, Footer, Navigation)
   ====================================================================== */

/* BEM: Site Layout Components */

/* BEM: Enhanced Header with Gradient & Brand Presence */
.site-header { 
  background: linear-gradient(135deg, var(--color-brand-purple) 0%, var(--color-brand-purple-dark) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-4) 20px; 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  flex-wrap: wrap;
  gap: var(--space-3);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md), 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-slow);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
  z-index: -1;
  border-radius: inherit;
}

/* BEM: Header Title Element */
.site-header__title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 10;
}

/* BEM: Header Navigation Element */
.site-header__nav { 
  display: flex; 
  gap: var(--space-2); 
  flex-wrap: wrap; 
  align-items: center;
  position: relative;
  z-index: 10; /* Ensure nav is above the header background */
}

/* BEM: Header Navigation Link Element */
.site-header__nav a,
.site-header__link { 
  display: inline-block; 
  padding: 10px 16px; 
  min-height: 44px; 
  text-decoration: none; 
  border-radius: var(--radius-lg); 
  font-weight: var(--font-weight-medium); 
  transition: all var(--transition-base); 
  box-sizing: border-box;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  position: relative;
  z-index: 10;
  cursor: pointer;
  /* Improve touch responsiveness on iOS */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.site-header__nav a:hover,
.site-header__nav a:active,
.site-header__link:hover,
.site-header__link:active { 
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* BEM: Site Footer */
.site-footer { padding: var(--space-3) 16px; border-top: 1px solid var(--color-border); border-bottom: none; color: var(--color-text-light); }

/* BEM: Workout Meta Component */
.workout-meta { display: flex; align-items: center; justify-content: space-between; background: var(--color-white); border: 1px solid var(--color-border); padding: 10px var(--space-3); border-radius: var(--radius-md); gap: var(--space-2); flex-wrap: wrap; }

.workout-meta__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.workout-content { background: var(--color-white); border: 1px solid var(--color-border); padding: var(--space-3); border-radius: var(--radius-md); }
.workout-content pre { white-space: pre-wrap; }

/* ======================================================================
   4. FORM ELEMENTS & INPUT STYLING
   ====================================================================== */

.form { margin-top: var(--space-4); background: var(--color-white); border: 1px solid var(--color-border); padding: var(--space-3); border-radius: var(--radius-md); }
.form h2 { margin-top: 0; }
.form label { display: block; font-weight: var(--font-weight-medium); margin: var(--space-3) 0 6px; color: var(--color-text-medium); }
.form label:first-of-type { margin-top: 0; }
/* Professional Form Styling */
.form input[type="text"],

.form textarea, .responsive-form textarea {
  width: 100%;
  padding: var(--space-3) 16px;
  font-size: var(--font-size-base);
  min-height: 44px;
  box-sizing: border-box;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-family: inherit;
  background: var(--color-white);
  transition: all var(--transition-base);
  color: var(--color-text);
}

/* Monospace font for JSON/code textareas */
.form textarea#gen-json,
.form textarea#copy-target,
.responsive-form textarea#gen-json,
.responsive-form textarea#copy-target {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Droid Sans Mono', 'Source Code Pro', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}


.form input:focus,
.form textarea:focus,
.responsive-form input:focus,
.responsive-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}


.form input:hover,
.form textarea:hover,
.responsive-form input:hover,
.responsive-form textarea:hover {
  border-color: var(--color-gray-300);
}

/* BEM: Form Elements */
.form__hint { color: var(--color-text-hint); margin: var(--space-2) 0; font-size: var(--font-size-sm); }

/* Professional Exercise Cards */
.card,
.section,
.exercise-card { 
  border: 1px solid var(--color-gray-200); 
  border-radius: var(--radius-xl); 
  padding: var(--space-5); 
  margin: var(--space-5) 0; 
  background: var(--color-white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}


.workout-content ul:has(> .session-superset),
.workout-content ul:has(> li > .session-superset) {
  margin: 0;
  padding: 0;
  padding-inline-start: 0;
  list-style: none;
}

.session-superset {
  border: 1px solid var(--color-gray-200);
  border-left: 4px solid var(--color-gray-400);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  padding-left: calc(var(--space-4) + 4px);
  margin: var(--space-5) 0;
  background: var(--color-white);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.session-superset__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  justify-content: space-between;
}

.session-superset__heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
}

.session-superset__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 12px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.08);
  color: var(--color-gray-800);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.session-superset__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-medium);
}

.session-superset__notes {
  color: var(--color-text-medium);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

.session-superset__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.session-superset__body li {
  margin-left: 0;
  list-style: none;
}

.session-superset__cards {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (max-width: 600px) {
  .session-superset {
    padding: var(--space-3);
    padding-left: calc(var(--space-3) + 3px);
    margin: var(--space-4) 0;
  }

  .session-superset__header {
    gap: var(--space-1);
  }

  .session-superset__badge {
    padding: 2px 10px;
  }

  .session-superset__cards {
    gap: var(--space-3);
  }
}

/* Enhanced Dark Mode for Cards */

.card:hover,
.section:hover,
.exercise-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

/* BEM: Exercise Card Header (element) */
.exercise-card__header { 
  font-weight: var(--font-weight-semibold); 
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.exercise-card__header h1,
.exercise-card__header h2,
.exercise-card__header h3,
.exercise-card__header h4 { 
  margin: 0 0 8px; 
  font-size: var(--font-size-lg); 
  color: var(--color-gray-800);
}

.exercise-card__header .ex-presc { 
  font-weight: var(--font-weight-semibold); 
  color: var(--color-success);
  font-size: var(--font-size-sm);
}

.ex-angle {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text-hint);
}

.ex-angle--inline {
  margin-left: var(--space-1);
}

.ex-angle--chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--color-gray-700);
}

.ex-angle--incline {
  color: var(--color-primary-darker);
}

.ex-angle--decline {
  color: var(--color-warning-dark);
}

.ex-angle--chip.ex-angle--incline {
  background: rgba(37, 99, 235, 0.12);
}

.ex-angle--chip.ex-angle--decline {
  background: rgba(245, 158, 11, 0.18);
}

.ex-angle--flat {
  color: var(--color-gray-600);
}

.ex-angle--chip.ex-angle--flat {
  background: rgba(148, 163, 184, 0.25);
}

.exercise-card__angle {
  margin-left: var(--space-2);
}

.ex-notes {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-style: italic;
  line-height: 1.4;
}

.exercise-card__header .ex-cues { 
  margin: var(--space-3) 0 0 0; 
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
}

.exercise-card__header .ex-cues li { 
  list-style: none;
  position: relative;
  padding-left: 20px;
  margin: var(--space-1) 0;
}

.exercise-card__header .ex-cues li::before {
  content: '•';
  color: var(--color-success);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.exercise-card__set-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.exercise-card__set-actions .button--secondary,
.exercise-card__set-actions .exercise-card__load-edit {
  flex: 1 1 180px;
}

.exercise-card__load-edit {
  font-size: var(--font-size-sm);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
  margin-left: 0;
}

/* Exercise detail page readability */
.exercise-detail { max-width: 860px; margin: 0 auto; padding: 10px 14px 60px; }
.exercise-detail h1 { font-size: 30px; line-height: 1.15; margin: var(--space-1) 0 14px; }
.exercise-detail .meta-badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.exercise-detail .meta-badges .badge { background: var(--color-bg-light); color: var(--color-text-dark); border-radius: 14px; padding: var(--space-1) 10px; font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); }
.exercise-detail section { background: var(--color-white); border: 1px solid var(--color-border-medium); border-radius: var(--radius-lg); padding: 14px 16px; margin: 0 0 14px; }
.exercise-detail section h2 { margin: 0 0 10px; font-size: 15px; letter-spacing: .5px; text-transform: uppercase; color: var(--color-text-detail); }
.exercise-detail ul, .exercise-detail ol { margin: 0 0 4px 20px; padding: 0; }
.exercise-detail li { margin: 3px 0; }
.exercise-detail .two-col { display: flex; flex-wrap: wrap; gap: 14px; }
.exercise-detail .two-col > section { flex: 1 1 240px; margin: 0; }
.exercise-detail .notes-grid { display: flex; flex-wrap: wrap; gap: 14px; }
.exercise-detail .notes-grid > section { flex: 1 1 300px; margin: 0; }
.exercise-detail .prescription-hints code { background: #f2f4f7; padding: 2px 6px; border-radius: var(--radius-base); }

/* Improve legibility for low-contrast original light text */
.exercise-detail section, .exercise-detail { color: var(--color-text-dark); }
.exercise-detail section p { margin: 0 0 8px; }

@media (max-width: 640px) {
  .exercise-detail h1 { font-size: 26px; }
  .exercise-detail .two-col { flex-direction: column; }
  .exercise-detail .notes-grid { flex-direction: column; }
}

/* BEM: Exercise Card Notes (element) */
.exercise-card__notes { color: var(--color-text-medium); font-size: var(--font-size-sm); margin: var(--space-1) 0 6px; }
.exercise-card__notes ul { margin: var(--space-1) 0 4px 18px; }
.exercise-card__notes li { margin: 2px 0; }

/* BEM: Exercise Card Modifiers */
.exercise-card--compact header { gap: 6px; }
.exercise-card header { display: flex; align-items: center; justify-content: flex-start; gap: var(--space-2); }
.exercise-card--collapsed .exercise-sets { display: none; }
.exercise-card--readonly .exercise-sets,
.exercise-card--readonly .set-row,
.exercise-card--readonly button { display: none; }
.exercise-sets { margin-top: 6px; }
.set-row { display: flex; flex-wrap: nowrap; gap: 4px; align-items: center; margin-bottom: var(--space-1); }
.exercise-card.is-load-editing .set-row { flex-wrap: wrap; }
.set-row .set-label { font-size: 13px; color: var(--color-text-light); min-width: 46px; }
.set-field { display: flex; align-items: center; gap: 4px; flex: 0 0 auto; }
.set-field--load { display: none; }
.exercise-card.is-load-editing .set-field--load { display: flex; }
.set-field input { width: 72px; padding: 10px; font-size: var(--font-size-base); min-height: 44px; box-sizing: border-box; border: 1px solid var(--color-border-dark); border-radius: var(--radius-base); }
.input--compact { width: 56px; }
.set-field__times { color: var(--color-text-medium); font-weight: var(--font-weight-semibold); }
.set-row__load {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-dark);
  margin-left: var(--space-1);
  margin-right: var(--space-2);
  min-width: 72px;
  white-space: nowrap;
}
.exercise-card.is-load-editing .set-row__load {
  color: var(--color-text-medium);
}
.set-row button { padding: 10px var(--space-3); }

/* BEM: Form Actions Container */
.form__actions { display: flex; gap: var(--space-2); margin-top: var(--space-2); flex-wrap: wrap; }

/* ======================================================================
   5. COMPONENTS (Buttons, Cards, Status, Progress, RPE)
   ====================================================================== */

/* Professional Button System */
button { 
  cursor: pointer; 
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white); 
  border: none; 
  border-radius: var(--radius-lg); 
  padding: var(--space-3) 20px; 
  font-size: var(--font-size-sm); 
  font-weight: var(--font-weight-semibold);
  min-height: 44px; 
  min-width: 44px;
  transition: all var(--transition-base);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

/* Micro-interactions: Subtle scale on press */
button:active {
  transform: scale(0.98);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

button:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-darker) 100%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

button:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.button--ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 0;
  min-height: auto;
  min-width: 0;
  box-shadow: none;
}

.button--ghost:hover {
  background: transparent;
  color: var(--color-primary-dark);
  box-shadow: none;
  transform: none;
}

.button--ghost:active {
  transform: none;
}

.button--ghost::after {
  display: none;
}

/* Ripple effect on button press */
button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
  pointer-events: none;
}

button:active::after {
  width: 300px;
  height: 300px;
}

/* BEM: Button Modifiers */
button.secondary,
.button--secondary { 
  background: linear-gradient(135deg, var(--color-gray-500) 0%, var(--color-gray-600) 100%);
  color: var(--color-white);
}

button.secondary:hover,
.button--secondary:hover {
  background: linear-gradient(135deg, var(--color-gray-600) 0%, var(--color-gray-700) 100%);
}

button.danger,
.button--danger { 
  background: linear-gradient(135deg, var(--color-error) 0%, var(--color-error-dark) 100%);
}

button.danger:hover,
.button--danger:hover {
  background: linear-gradient(135deg, var(--color-error-dark) 0%, var(--color-error-darker) 100%);
}

/* Primary action button emphasis */
button.primary,
.button--primary {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.5px;
}

button.primary:hover,
.button--primary:hover {
  background: linear-gradient(135deg, var(--color-success-dark) 0%, var(--color-success-darker) 100%);
}

.copy-wrapper { margin-top: 10px; }
textarea { width: 100%; }

/* ======================================================================
   5B. PAGE-SPECIFIC STYLES (RPE Guide, Exercise Pages, Week View)
   ====================================================================== */

/* Mobile tweaks */
@media (max-width: 600px) {
  .container { padding: 10px; }
  .site-header { padding: 10px; }
  .workout-meta { flex-direction: column; align-items: flex-start; }
  .workout-content { padding: 10px; }
  .exercise-card { padding: 10px; }
  .exercise-card .exercise-header h1,
  .exercise-card .exercise-header h2,
  .exercise-card .exercise-header h3,
  .exercise-card .exercise-header h4 { font-size: var(--font-size-base); }
  .set-row { gap: var(--space-2); }
  .set-row .set-label { min-width: 44px; }
  .set-row input { flex: 1 1 120px; max-width: none; }
  .form-actions { position: sticky; bottom: 0; background: rgba(250, 250, 250, 0.95); padding: var(--space-2) 6px; border-top: 1px solid var(--color-border); z-index: 5; }
  .form-actions button, .form-actions a { flex: 1 1 auto; text-align: center; }
}

/* BEM: RPE Guide Components */
/* RPE Table Component */
.rpe-table__container {
  overflow-x: auto;
  margin: var(--space-5) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}

.rpe-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  font-size: var(--font-size-sm);
}

.rpe-table th {
  background: var(--color-gray-50);
  padding: var(--space-3) 8px;
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  border-bottom: 2px solid var(--color-gray-200);
  white-space: nowrap;
}

.rpe-table td {
  padding: var(--space-3) 8px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.rpe-table tbody tr:hover {
  background: #f9fafb;
}

/* BEM: RPE Number Element */
.rpe-table .rpe-number,
.rpe-table .rpe__number {
  font-weight: bold;
  font-size: var(--font-size-base);
  text-align: center;
  min-width: 50px;
  color: var(--color-white);
  padding: 6px 8px;
  border-radius: var(--radius-base);
}

/* BEM: RPE Intensity Modifiers for Table */
.rpe-table .rpe-light .rpe-number,
.rpe-table .rpe-light .rpe__number,
.rpe-table .rpe--light .rpe-number,
.rpe-table .rpe--light .rpe__number {
  background: #0ea5e9;
}

.rpe-table .rpe-moderate .rpe-number,
.rpe-table .rpe-moderate .rpe__number,
.rpe-table .rpe--moderate .rpe-number,
.rpe-table .rpe--moderate .rpe__number {
  background: #eab308;
}

.rpe-table .rpe-hard .rpe-number,
.rpe-table .rpe-hard .rpe__number,
.rpe-table .rpe--hard .rpe-number,
.rpe-table .rpe--hard .rpe__number {
  background: var(--color-error-border);
}

.rpe-table .rpe-max .rpe-number,
.rpe-table .rpe-max .rpe__number,
.rpe-table .rpe--max .rpe-number,
.rpe-table .rpe--max .rpe__number {
  background: #ec4899;
}

/* BEM: Mobile Cards (hidden on desktop) */
.rpe__mobile-cards {
  display: none;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

/* BEM: RPE Card Component */
.rpe-card {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  overflow: hidden;
}

.rpe-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 16px;
  border-bottom: 1px solid var(--color-border-light);
}

.rpe-card .rpe__number {
  font-weight: bold;
  font-size: var(--font-size-base);
  color: var(--color-white);
  padding: 6px 12px;
  border-radius: var(--radius-base);
  min-width: 40px;
  text-align: center;
}

.rpe-card .rpe__effort {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
}

.rpe-card__content {
  padding: var(--space-3) 16px;
}

.rpe-card__content p {
  margin: 6px 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

/* BEM: RPE Card Intensity Modifiers */
.rpe-card.rpe-light .rpe-number,
.rpe-card.rpe-light .rpe__number,
.rpe-card--light .rpe-number,
.rpe-card--light .rpe__number {
  background: #0ea5e9;
}

.rpe-card.rpe-moderate .rpe-number,
.rpe-card.rpe-moderate .rpe__number,
.rpe-card--moderate .rpe-number,
.rpe-card--moderate .rpe__number {
  background: #eab308;
}

.rpe-card.rpe-hard .rpe-number,
.rpe-card.rpe-hard .rpe__number,
.rpe-card--hard .rpe-number,
.rpe-card--hard .rpe__number {
  background: var(--color-error-border);
}

.rpe-card.rpe-max .rpe-number,
.rpe-card.rpe-max .rpe__number,
.rpe-card--max .rpe-number,
.rpe-card--max .rpe__number {
  background: #ec4899;
}

/* Responsive behavior */
@media (max-width: 768px) {
  .rpe-table-container,
  .rpe-table__container {
    display: none;
  }
  
  .rpe-mobile-cards,
  .rpe__mobile-cards {
    display: flex;
  }
}

/* BEM: RPE Guide Page Components (example boxes, mistake grids, etc.) */
.rpe-scale {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.rpe-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  transition: all var(--transition-base);
}

.rpe-item .rpe-number,
.rpe-item .rpe__number {
  font-size: 24px;
  font-weight: bold;
  min-width: 50px;
  text-align: center;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-white);
}

.rpe__description h4 {
  margin: 0 0 4px 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.rpe__description p {
  margin: 0;
  color: var(--color-text-light);
  line-height: var(--line-height-normal);
}

/* BEM: RPE Intensity Modifiers (Global) */
.rpe--light {
  background: #f0f9ff;
  border-color: #e0f2fe;
}

.rpe--light .rpe__number {
  background: #0ea5e9;
}

.rpe--moderate {
  background: #fefce8;
  border-color: var(--color-warning-light);
}

.rpe--moderate .rpe__number {
  background: #eab308;
}

.rpe--hard {
  background: #fef2f2;
  border-color: var(--color-error-lighter);
}

.rpe--hard .rpe__number {
  background: var(--color-error-border);
}

.rpe--max {
  background: #fdf2f8;
  border-color: #fbcfe8;
}

.rpe--max .rpe__number {
  background: #ec4899;
}

.example-box {
  background: var(--color-gray-50);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin: var(--space-4) 0;
}

.example-set {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: var(--space-3) 0;
}

.example-set h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
}

.example-set p {
  margin: 6px 0;
  line-height: var(--line-height-normal);
}

.example-notes {
  background: #ecfdf5;
  border: 1px solid var(--color-success-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-top: var(--space-4);
}

.example-notes h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-success-darker);
}

.example-notes ul {
  margin: var(--space-2) 0 0 0;
  padding-left: 20px;
}

.example-notes li {
  margin: var(--space-1) 0;
  color: var(--color-success-dark);
}

.mistake-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.mistake-item {
  background: #fef7f7;
  border: 1px solid var(--color-error-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.mistake-item h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-error);
  font-size: var(--font-size-base);
}

.mistake-item p {
  margin: 6px 0;
  line-height: var(--line-height-normal);
}

.mistake-item p:first-of-type {
  color: #7f1d1d;
}

.mistake-item p:last-of-type {
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

.quick-ref {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
  margin: var(--space-5) 0;
}

.ref-column {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.ref-column h4 {
  margin: 0 0 var(--space-3) 0;
  color: var(--color-gray-800);
  font-size: var(--font-size-base);
}

.ref-column ul {
  margin: 0;
  padding-left: 20px;
}

.ref-column li {
  margin: 6px 0;
  line-height: var(--line-height-normal);
}

.info-box {
  background: #eff6ff;
  border: 1px solid #dbeafe;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin: var(--space-4) 0;
}

.info-box h3 {
  margin: 0 0 var(--space-3) 0;
  color: var(--color-primary-darker);
  font-size: var(--font-size-lg);
}

.info-box p {
  margin: var(--space-2) 0;
  color: #1e3a8a;
  line-height: var(--line-height-normal);
}

.info-box ul {
  margin: var(--space-2) 0;
  padding-left: 20px;
}

.info-box li {
  margin: 6px 0;
  color: #1e3a8a;
}

/* BEM: Header navigation active state */
.site-header nav a.active,
.site-header__nav a.active,
.site-header__link--active {
  background: #e0f2fe;
  color: #0369a1;
  font-weight: var(--font-weight-semibold);
}

/* Exercise Page: Additional heading styles */
.exercise-card h2 {
  margin: 0 0 var(--space-3) 0;
  color: var(--color-gray-800);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.exercise-card h3 {
  margin: var(--space-3) 0 8px 0;
  color: var(--color-gray-700);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.exercise-badge {
  display: inline-block;
  padding: var(--space-1) 8px;
  border-radius: var(--radius-full);
  background: #e0f2fe;
  color: #0369a1;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin: 2px;
}

.exercise-pill {
  display: inline-block;
  padding: var(--space-1) 8px;
  border-radius: var(--radius-md);
  background: var(--color-border-light);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin: 2px;
}

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.exercise-history-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  margin: var(--space-3) 0;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.exercise-history-item__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.exercise-history-item__sets {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.exercise-history-set {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  border-left: 2px solid var(--color-border-light);
  padding-left: var(--space-2);
}

.exercise-history-set__label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
}

.exercise-history-set__metrics {
  color: var(--color-gray-800);
  font-size: var(--font-size-sm);
}

.exercise-mono {
  font-family: ui-monospace, 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Consolas', monospace;
  font-size: 13px;
}

/* ======================================================================
   6. PROFESSIONAL INTERACTIONS & TRANSITIONS
   ====================================================================== */

/* Mobile responsive for exercise pages */
@media (max-width: 640px) {
  .exercise-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .exercise-card {
    padding: var(--space-3);
  }
  
  .exercise-card h2 {
    font-size: var(--font-size-base);
  }
  
  .exercise-card h3 {
    font-size: 15px;
  }
}

/* Professional Smooth Transitions for All Interactive Elements */
* {
  transition: all var(--transition-base);
}

/* Specific transition overrides for elements that need different timing */
.loading-skeleton,
.shimmer::after,
.spinner {
  transition: none; /* Don't interfere with animations */
}

/* Enhanced Input Interactions */
input[type="text"],
input[type="number"],
textarea,
select {
  transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

/* Card hover micro-interactions */
.workout-list li:hover {
  transform: translateY(-1px);
}

/* Link hover effects */
a {
  transition: all var(--transition-base);
}

a:hover {
  transform: translateY(-1px);
}

/* ======================================================================
   7. UTILITY CLASSES (Layout, Spacing, Text, Visibility)
   ====================================================================== */

.responsive-container {
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-4);
}

/* Responsive grid systems */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Responsive flex utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: 24px; }

/* Responsive spacing */
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: 24px; }

.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: 24px; }

.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

/* Responsive text utilities */
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: 24px; }

.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Responsive visibility utilities */
.hidden { display: none; }

.sm-hidden { display: block; }
.md-hidden { display: block; }
.lg-hidden { display: block; }

/* ======================================================================
   8. RESPONSIVE BREAKPOINTS (Mobile-First, Safe Areas, Touch Targets)
   ====================================================================== */

/* Mobile First Responsive Breakpoints */

/* Advanced Mobile Experience with Safe Areas */

/* Safe area insets for modern phones */
.container,
.responsive-container,
.site-header,
.site-footer {
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

.site-header {
  padding-top: max(16px, env(safe-area-inset-top));
}

.site-footer {
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}

/* Enhanced Touch Targets for Mobile */
@media (max-width: 640px) {
  button,
  input[type="button"],
  input[type="submit"],
  .remove-set-btn,
  a {
    min-height: 48px;
    min-width: 48px;
  }
  
  /* BEM: Improved navigation for iPad/tablet */
  .site-header nav a,
  .site-header__nav a,
  .site-header__link {
    min-height: 48px;
    min-width: 60px;
    padding: var(--space-3) 16px;
    font-size: var(--font-size-base);
    /* Enhanced touch responsiveness */
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0.2);
    touch-action: manipulation;
  }
  
  /* Improved button spacing on mobile */
  button {
    margin: var(--space-1) 2px;
    font-size: var(--font-size-base); /* Prevents zoom on iOS */
  }
  
  /* Better form input experience */
  input[type="text"],
  input[type="number"],
  textarea,
  select {
    font-size: var(--font-size-base); /* Prevents zoom on iOS */
    min-height: 48px;
    padding: var(--space-3) 16px;
  }
  
  .grid {
    gap: var(--space-3);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .sm-hidden { display: none; }
  
  /* Stack navigation on small screens */
  .site-header {
    padding: var(--space-2) 12px;
  }
  
  .site-header nav {
    gap: 2px;
    justify-content: flex-start;
  }
  
  .site-header nav a,
  .site-header__nav a,
  .site-header__link {
    padding: var(--space-2) 10px;
    font-size: var(--font-size-sm);
  }
  
  /* Improve form inputs on mobile */
  .form input[type="text"],
  .form textarea {
    font-size: var(--font-size-base); /* Prevents zoom on iOS */
  }
  
  /* Better button sizing on mobile */
  button {
    min-height: 48px;
    font-size: var(--font-size-base);
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 641px) and (max-width: 768px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .md-hidden { display: none; }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
  .responsive-container {
    padding: var(--space-5);
  }
  
  .lg-hidden { display: none; }
  
  /* Better spacing on larger screens */
  .grid {
    gap: var(--space-5);
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  button,
  .form-actions {
    display: none;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
  
  .exercise-card,
  .workout-content {
    border: none;
    box-shadow: none;
    break-inside: avoid;
  }
}

/* Form Responsive Styles */
.responsive-form {
  margin: var(--space-4) 0;
}

/* BEM: Form Grid Layout */
.form__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

/* BEM: Full-width Form Element */
.form__full-width {
  grid-column: 1 / -1;
}

/* Responsive form on mobile */
@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .form-actions {
    justify-content: flex-start;
  }
  
  .form-actions button,
  .form-actions a {
    flex: 1 1 auto;
    min-width: 120px;
  }
}

/* BEM: Workout list responsive improvements */
.workout-list {
  display: grid;
  gap: var(--space-2);
}

.workout-list__item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.workout-list li:hover,
.workout-list__item:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.workout-list__link {
  display: block;
  padding: var(--space-4);
  text-decoration: none;
  color: inherit;
}

/* BEM: Workout list sub-elements */
.workout-list__title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
  color: var(--color-gray-800);
}

.workout-list__meta {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* BEM: Week Sessions Components */
.week-sessions {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.day-group {
  border-left: 3px solid var(--color-border);
  padding-left: var(--space-4);
  transition: border-color var(--transition-base);
}

.day-group:hover {
  border-left-color: var(--color-primary);
}

.day-group.today {
  border-left-color: var(--color-success);
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.05) 0%, transparent 100%);
  padding: var(--space-3) var(--space-4);
  margin-left: calc(-1 * var(--space-4));
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.day-group h3 {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.day-group.today h3 {
  color: var(--color-success-darker);
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: var(--color-success);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.muted {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* BEM: Weekly Context Component (shows block/week summary) */
.weekly-context {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-brand-purple-light) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  box-shadow: var(--shadow-sm);
}

.weekly-context__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-darker);
  margin: 0 0 var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.weekly-context__title::before {
  content: '📅';
  font-size: 1.25em;
}

.weekly-context__summary {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

/* BEM: Workout Grid Component (for week view) */
.workout-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin: var(--space-4) 0;
}

/* On smaller screens, allow wrapping */
@media (max-width: 950px) {
  .workout-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: var(--space-2);
  }
}

.workout-grid-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.workout-grid-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.workout-grid-card.today {
  border-color: var(--color-success);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, var(--color-white) 100%);
}

.workout-grid-card__header {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.workout-grid-card.today .workout-grid-card__header {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border-bottom-color: var(--color-success-border);
}

.workout-grid-card__day {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.workout-grid-card.today .workout-grid-card__day {
  color: var(--color-success-darker);
}

.workout-grid-card__date {
  font-size: var(--font-size-sm);
  color: var(--color-text-medium);
  font-weight: var(--font-weight-medium);
}

.workout-grid-card__body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.workout-grid-card__title {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  line-height: var(--line-height-normal);
  transition: color var(--transition-fast);
  margin-bottom: var(--space-2);
}

.workout-grid-card__title:last-of-type {
  margin-bottom: 0;
}

.workout-grid-card__title:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.workout-grid-card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* Placeholder card for days without workouts */
.workout-grid-card--placeholder {
  background: transparent;
  border-color: var(--color-border-light);
  border-style: dashed;
  opacity: 0.6;
}

.workout-grid-card--placeholder:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-border-light);
}

.workout-grid-card--placeholder .workout-grid-card__body {
  color: var(--color-text-light);
  text-align: center;
  justify-content: center;
  font-size: var(--font-size-sm);
}

/* Today badge positioned in top-right corner */
.today-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-2);
  background: var(--color-success);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Make card position relative for absolute badge positioning */
.workout-grid-card {
  position: relative;
}

/* BEM: History list responsive improvements */
.history-list {
  display: grid;
  gap: var(--space-2);
}

.history-list__item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.history-list__link {
  display: block;
  padding: var(--space-4);
  text-decoration: none;
}


/* BEM: Trash Can Icon for Remove Buttons */
.button--remove {
  background: var(--color-error);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-base);
  padding: var(--space-2);
  min-width: 36px;
  min-height: 36px;
  cursor: pointer;
  transition: background-color var(--transition-base);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button--remove:hover {
  background: var(--color-error-dark);
}

.button--remove:active {
  background: var(--color-error-darker);
}

/* BEM: Trash can icon using CSS */
.button--remove::before {
  content: '';
  width: 18px;
  height: 18px;
  background-color: currentColor;
  mask: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath d='M5.5 5.5A.5.5 0 0 1 6 6v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm2.5 0a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm3 .5a.5.5 0 0 0-1 0v6a.5.5 0 0 0 1 0V6Z'/%3e%3cpath d='M14.5 3a1 1 0 0 1-1 1H13v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V4h-.5a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1H6a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1h3.5a1 1 0 0 1 1 1v1ZM4.118 4 4 4.059V13a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V4.059L11.882 4H4.118ZM2.5 3h11V2h-11v1Z'/%3e%3c/svg%3e") no-repeat center;
  mask-size: contain;
  -webkit-mask: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath d='M5.5 5.5A.5.5 0 0 1 6 6v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm2.5 0a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm3 .5a.5.5 0 0 0-1 0v6a.5.5 0 0 0 1 0V6Z'/%3e%3cpath d='M14.5 3a1 1 0 0 1-1 1H13v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V4h-.5a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1H6a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1h3.5a1 1 0 0 1 1 1v1ZM4.118 4 4 4.059V13a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V4.059L11.882 4H4.118ZM2.5 3h11V2h-11v1Z'/%3e%3c/svg%3e") no-repeat center;
  -webkit-mask-size: contain;
}

/* Hide fallback text when CSS mask is supported */
.button--remove .icon-text {
  display: none;
}

/* Show fallback text for browsers that don't support mask */
@supports not (mask: url('data:image/svg+xml,')) {
  .button--remove::before {
    display: none;
  }
  
  .button--remove .icon-text {
    display: inline;
    font-size: var(--font-size-sm);
  }
}

/* Focus states for accessibility */
.button--remove:focus {
  outline: 2px solid #f87171;
  outline-offset: 2px;
}

.button--remove:focus-visible {
  outline: 2px solid #f87171;
  outline-offset: 2px;
}

/* Mobile adjustments for remove button */
@media (max-width: 640px) {
  .button--remove {
    min-width: 40px;
    min-height: 40px;
    padding: 10px;
  }
}


/* BEM: Professional Data Visualization Components */

/* BEM: Progress Component for Workout Completion */
.progress {
  background: var(--color-border-light);
  border-radius: var(--radius-full);
  height: 8px;
  overflow: hidden;
  position: relative;
  margin: var(--space-3) 0;
}

.progress__bar {
  background: linear-gradient(90deg, var(--color-success-border), var(--color-success));
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.progress__bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progress-shimmer 2s infinite;
}

@keyframes progress-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress__text {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
  text-align: center;
}

/* BEM: Workout Statistics Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6, var(--color-error-border), var(--color-success-border));
  border-radius: var(--radius-xl) 12px 0 0;
}

/* BEM: Stat Card Elements */
.stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  font-weight: var(--font-weight-medium);
}

.stat-change {
  font-size: var(--font-size-xs);
  margin-top: var(--space-2);
  padding: var(--space-1) 8px;
  border-radius: var(--radius-xl);
  font-weight: var(--font-weight-medium);
}

.stat-change.positive {
  background: #dcfce7;
  color: #166534;
}

.stat-change.negative {
  background: var(--color-error-light);
  color: var(--color-error-darker);
}

/* RPE Visualization */
.rpe-meter {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.rpe-scale-visual {
  flex: 1;
  height: 8px;
  background: linear-gradient(90deg, var(--color-success-border) 0%, #eab308 50%, var(--color-error-border) 100%);
  border-radius: var(--radius-base);
  position: relative;
}

.rpe-indicator {
  position: absolute;
  top: -2px;
  width: 12px;
  height: 12px;
  background: var(--color-white);
  border: 2px solid var(--color-gray-700);
  border-radius: 50%;
  transform: translateX(-50%);
  transition: left var(--transition-slow);
}

.rpe-value {
  font-weight: var(--font-weight-semibold);
  min-width: 24px;
  text-align: center;
  font-size: var(--font-size-sm);
}

/* Volume Charts */
.volume-chart {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin: var(--space-5) 0;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.chart-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
}

.chart-period {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.chart-bars {
  display: flex;
  align-items: end;
  gap: var(--space-2);
  height: 120px;
  margin: var(--space-4) 0;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(0deg, #3b82f6 0%, #60a5fa 100%);
  border-radius: var(--radius-base) 4px 0 0;
  min-height: 8px;
  position: relative;
  transition: all var(--transition-slow);
}

.chart-bar:hover {
  background: linear-gradient(0deg, var(--color-primary) 0%, #3b82f6 100%);
  transform: scaleY(1.05);
}

.chart-bar-label {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  white-space: nowrap;
}

/* Workout Streak Visualization */
.streak-container {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--color-warning-light) 0%, #fed7aa 100%);
  border-radius: var(--radius-xl);
  margin: var(--space-4) 0;
}

.streak-icon {
  font-size: 24px;
  color: #d97706;
}

.streak-content {
  flex: 1;
}

.streak-number {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-warning-dark);
}

.streak-text {
  font-size: var(--font-size-sm);
  color: var(--color-warning-dark);
  opacity: 0.8;
}
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

/* Professional Layout Containers */
.container-lg {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.content-section {
  margin: 32px 0;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.section-header {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border-light);
}

/* Professional Animations */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-fade-in {
  animation: fade-in var(--transition-slow)-out;
}

.animate-slide-in {
  animation: slide-in var(--transition-slow)-out;
}

/* Professional Loading States */
.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.loading-dots::after {
  content: '...';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* Enhanced Loading States for Workout Content */
.workout-card.loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  min-height: 120px;
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
}

.exercise-card.loading {
  background: linear-gradient(90deg, var(--color-bg-secondary) 25%, #e9ecef 50%, var(--color-bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  min-height: 200px;
  border-radius: var(--radius-xl);
  margin: var(--space-5) 0;
}

.loading-text {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  height: 1em;
  border-radius: var(--radius-base);
  margin: var(--space-1) 0;
}

.loading-text.short { width: 60%; }
.loading-text.medium { width: 80%; }
.loading-text.long { width: 100%; }

/* Shimmer effect for content loading */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: shimmer 2s infinite;
  content: '';
}

@keyframes shimmer {
  100% { transform: translateX(100%); }
}

/* Loading spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border-light);
  border-top: 2px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin: 0 8px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--color-gray-500);
  font-size: var(--font-size-base);
  gap: var(--space-3);
}

/* Professional Shadow System */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

/* Professional Border Radius */
.rounded-sm { border-radius: 0.125rem; }
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }

/* BEM: Professional Status Indicators (alternate style) */
.status--success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.status--warning {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
  border: 1px solid var(--color-warning-lighter);
}

.status--error {
  background: var(--color-error-light);
  color: var(--color-error-darker);
  border: 1px solid var(--color-error-lighter);
}

.status--info {
  background: #dbeafe;
  color: var(--color-primary-darker);
  border: 1px solid #bfdbfe;
}


/* BEM: Professional Toast Notifications System */
.toast__container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  padding: var(--space-4) 20px;
  margin-bottom: var(--space-3);
  min-width: 300px;
  max-width: 400px;
  transform: translateX(400px);
  transition: all var(--transition-slow);
  pointer-events: auto;
  position: relative;
  overflow: hidden;
}

/* BEM: Toast State Modifiers */
.toast--show {
  transform: translateX(0);
}

.toast--hide {
  transform: translateX(400px);
  opacity: 0;
}

/* BEM: Toast Elements */
.toast__content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.toast__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.toast__message {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.toast__title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
  color: var(--color-gray-800);
}

.toast__description {
  color: var(--color-gray-500);
}

.toast__close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  line-height: 1;
  min-height: auto;
  min-width: auto;
}

.toast__close:hover {
  color: var(--color-gray-500);
  background: var(--color-border-light);
  transform: none;
  box-shadow: none;
}

/* BEM: Toast Type Modifiers */
.toast--success {
  border-left: 4px solid var(--color-success-border);
}

.toast.success .toast-icon,
.toast.success .toast__icon,
.toast--success .toast-icon,
.toast--success .toast__icon {
  color: var(--color-success-border);
}

.toast--error {
  border-left: 4px solid var(--color-error-border);
}

.toast.error .toast-icon,
.toast.error .toast__icon,
.toast--error .toast-icon,
.toast--error .toast__icon {
  color: var(--color-error-border);
}

.toast--warning {
  border-left: 4px solid var(--color-warning);
}

.toast.warning .toast-icon,
.toast.warning .toast__icon,
.toast--warning .toast-icon,
.toast--warning .toast__icon {
  color: var(--color-warning);
}

.toast--info {
  border-left: 4px solid #3b82f6;
}

.toast.info .toast-icon,
.toast.info .toast__icon,
.toast--info .toast-icon,
.toast--info .toast__icon {
  color: #3b82f6;
}

/* BEM: Toast Progress Bar Element */
.toast__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.1);
  transition: width linear;
}

.toast.success .toast-progress,
.toast.success .toast__progress,
.toast--success .toast-progress,
.toast--success .toast__progress {
  background: var(--color-success-border);
}

.toast.error .toast-progress,
.toast.error .toast__progress,
.toast--error .toast-progress,
.toast--error .toast__progress {
  background: var(--color-error-border);
}

.toast.warning .toast-progress,
.toast.warning .toast__progress,
.toast--warning .toast-progress,
.toast--warning .toast__progress {
  background: var(--color-warning);
}

.toast.info .toast-progress,
.toast.info .toast__progress,
.toast--info .toast-progress,
.toast--info .toast__progress {
  background: #3b82f6;
}

/* Mobile toast adjustments */
@media (max-width: 640px) {
  .toast-container {
    top: 16px;
    right: 16px;
    left: 16px;
  }
  
  .toast {
    min-width: auto;
    max-width: none;
    transform: translateY(-100px);
  }
  
  .toast.show {
    transform: translateY(0);
  }
  
  .toast.hide {
    transform: translateY(-100px);
  }
}


/* ========================================
   PROGRESS REPORT STYLES
   ======================================== */

/* BEM: Progress Report Page Container */
.progress-report {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-5);
}

/* BEM: Progress Report Header */
.progress-report__header {
  background: linear-gradient(135deg, var(--color-brand-purple) 0%, var(--color-brand-purple-dark) 100%);
  color: white;
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.progress-report__header h1 {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-3xl);
  color: white;
}

.progress-report__header p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

/* BEM: Progress Report Meta Information */
.progress-report__meta {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  opacity: 0.9;
}

.progress-report__meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.progress-report__meta-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.progress-report__meta-value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

/* BEM: Progress Report Section */
.progress-report__section {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-base);
}

.progress-report__section h2 {
  margin-top: 0;
  color: var(--color-gray-800);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-5);
  font-size: var(--font-size-2xl);
}

.progress-report__section h3 {
  color: var(--color-gray-700);
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-lg);
}

/* BEM: KPI Cards Grid */
.progress-report__kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
  margin: var(--space-5) 0;
}

.progress-report__kpi-card {
  background: linear-gradient(135deg, var(--color-brand-purple) 0%, var(--color-brand-purple-dark) 100%);
  color: white;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.progress-report__kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* BEM: KPI Card Modifiers */
.progress-report__kpi-card--success {
  background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.progress-report__kpi-card--warning {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.progress-report__kpi-card--info {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

/* BEM: KPI Card Elements */
.progress-report__kpi-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
}

.progress-report__kpi-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
  line-height: 1.2;
}

.progress-report__kpi-change {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  font-weight: var(--font-weight-medium);
}

/* BEM: Progress Report Table */
.progress-report__table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-5) 0;
  font-size: var(--font-size-sm);
}

.progress-report__table th,
.progress-report__table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.progress-report__table th {
  background: var(--color-gray-50);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.5px;
}

.progress-report__table tbody tr:hover {
  background: var(--color-gray-50);
}

.progress-report__table tbody tr:last-child td {
  border-bottom: none;
}

/* BEM: Progress Indicators */
.progress-report__progress--positive {
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

.progress-report__progress--positive::before {
  content: '↑ ';
}

.progress-report__progress--negative {
  color: var(--color-error);
  font-weight: var(--font-weight-semibold);
}

.progress-report__progress--negative::before {
  content: '↓ ';
}

.progress-report__progress--neutral {
  color: var(--color-gray-500);
}

.progress-report__progress--neutral::before {
  content: '→ ';
}

/* BEM: Highlights List */
.progress-report__highlights {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}

.progress-report__highlights li {
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-3);
  border-left: 4px solid var(--color-primary);
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
  line-height: var(--line-height-relaxed);
}

.progress-report__highlights li:last-child {
  margin-bottom: 0;
}

/* BEM: Highlights Modifiers */
.progress-report__highlights--success li {
  border-left-color: var(--color-success);
  background: var(--color-success-light);
}

.progress-report__highlights--warning li {
  border-left-color: var(--color-warning);
  background: var(--color-warning-light);
}

.progress-report__highlights--error li {
  border-left-color: var(--color-error);
  background: var(--color-error-light);
}

/* BEM: Grade Badge */
.progress-report__grade-badge {
  display: inline-block;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-brand-purple) 0%, var(--color-brand-purple-dark) 100%);
  color: white;
  margin: var(--space-3) 0;
  box-shadow: var(--shadow-md);
}

.progress-report__grade-badge--a-plus {
  background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.progress-report__grade-badge--a {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
}

.progress-report__grade-badge--b {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.progress-report__grade-badge--c {
  background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-dark) 100%);
}

/* BEM: Report Controls */
.progress-report__controls {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-base);
}

.progress-report__controls h3 {
  margin-top: 0;
  color: var(--color-gray-800);
  font-size: var(--font-size-lg);
}

.progress-report__controls label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}

.progress-report__controls select,
.progress-report__controls input {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
  background: var(--color-white);
  color: var(--color-gray-800);
  transition: all var(--transition-base);
}

.progress-report__controls select:focus,
.progress-report__controls input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.progress-report__controls select:hover,
.progress-report__controls input:hover {
  border-color: var(--color-gray-300);
}

.progress-report__controls button {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  width: 100%;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.progress-report__controls button:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.progress-report__controls button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* BEM: Loading State */
.progress-report__loading {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-gray-500);
  font-size: var(--font-size-lg);
}

.progress-report__loading::after {
  content: "...";
  animation: dots 1.5s steps(3, end) infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
  .progress-report {
    padding: var(--space-3);
  }

  .progress-report__header {
    padding: var(--space-5);
  }

  .progress-report__header h1 {
    font-size: var(--font-size-2xl);
  }

  .progress-report__kpi-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .progress-report__section {
    padding: var(--space-4);
  }

  .progress-report__table {
    font-size: var(--font-size-xs);
  }

  .progress-report__table th,
  .progress-report__table td {
    padding: var(--space-2);
  }

  .progress-report__meta {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ========================================
   WEEK VIEW STYLES
   ======================================== */

.week-sessions {
  margin-top: var(--space-6);
}

.day-group {
  margin-bottom: var(--space-8);
  padding: var(--space-5);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border-light);
}

.day-group.today {
  background: linear-gradient(135deg, var(--color-bg-gradient-start), var(--color-bg-gradient-end));
  border-color: var(--color-primary-light);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.day-group h3 {
  margin: 0 0 var(--space-4) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.day-group .badge {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 14px;
  padding: 2px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.day-group .workout-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.day-group .workout-list li {
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.day-group .workout-list li:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-primary-light);
  transform: translateX(4px);
}

.day-group .workout-list li:last-child {
  margin-bottom: 0;
}

.day-group .workout-list a {
  text-decoration: none;
  color: var(--color-link);
  font-weight: var(--font-weight-medium);
  display: block;
}

.day-group .workout-list a:hover {
  color: var(--color-link-hover);
}

.day-group .workout-list .muted {
  color: var(--color-text-light);
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-sm);
}

/* ========================================
   PROGRESS REPORT RENDERER STYLES
   JSON-based progress report rendering
   ======================================== */

/* Report Container */
.report-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-6);
}

.report-container--dark {
  background: var(--color-gray-900);
  color: var(--color-gray-100);
}

/* Report Header */
.report-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 2px solid var(--color-border-light);
}

.report-header__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3) 0;
}

.report-header__period {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-2) 0;
}

.report-header__generated-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

.report-header__author {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: var(--space-1) 0 0 0;
}

/* Report Summary */
.report-summary {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.report-summary__grade {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  font-size: var(--font-size-2xl);
}

.report-summary__grade-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

.report-summary__grade-value {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: var(--font-size-3xl);
}

.report-summary__highlights {
  margin-top: var(--space-5);
}

.report-summary__highlights-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3) 0;
}

.report-summary__highlights-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.report-summary__highlights-list li {
  padding-left: var(--space-6);
  position: relative;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.report-summary__highlights-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.report-summary__injury-status {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-warning-light);
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-base);
}

.report-summary__injury-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-warning-dark);
  margin: 0 0 var(--space-2) 0;
}

.report-summary__injury-content {
  font-size: var(--font-size-sm);
  color: var(--color-warning-dark);
  margin: 0;
}

/* Report Sections */
.report-section {
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.report-section__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-4) 0;
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border-light);
}

.report-section__subtitle {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin: var(--space-5) 0 var(--space-3) 0;
}

.report-section__content {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.report-section__content p {
  margin: 0 0 var(--space-4) 0;
}

.report-section__content p:last-child {
  margin-bottom: 0;
}

.report-section__badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.report-section__exercise-list ul,
.report-section__notes {
  margin-top: var(--space-4);
}

.report-section__exercise-list ul {
  list-style: disc;
  padding-left: var(--space-6);
}

.report-section__exercise-list li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.report-section__notes p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-style: italic;
}

.report-section__table-notes {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-style: italic;
}

/* Strength Analysis Section */
.report-section--strength-analysis {
  border-left: 4px solid var(--color-primary);
}

/* Table Section */
.report-section--table {
  padding: 0;
  overflow: hidden;
}

.report-section--table .report-section__title {
  padding: var(--space-6) var(--space-6) var(--space-3) var(--space-6);
  margin: 0;
}

.report-section--table .report-section__subtitle {
  padding: 0 var(--space-6) var(--space-4) var(--space-6);
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-200);
}

.report-section--table .report-section__summary {
  padding: var(--space-4) var(--space-6) var(--space-6) var(--space-6);
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-gray-300);
  line-height: var(--line-height-relaxed);
}

.report-section--table .report-section__table-notes {
  padding: 0 var(--space-6) var(--space-6) var(--space-6);
}

/* Report Table */
.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.report-table__header {
  background: var(--color-bg-secondary);
}

.report-table__row {
  border-bottom: 1px solid var(--color-border-light);
}

.report-table__row:last-child {
  border-bottom: none;
}

.report-table__row--header {
  border-bottom: 2px solid var(--color-border-dark);
}

.report-table__cell {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  color: var(--color-text-secondary);
}

.report-table__cell--header {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-align: left;
}

.report-table--exercise .report-table__cell:first-child {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* Text Section */
.report-section--text {
  border-left: 4px solid var(--color-gray-300);
}

/* Highlight Box */
.report-highlight-box {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-gray-400);
  margin-bottom: var(--space-6);
}

.report-highlight-box--info {
  background: var(--color-bg-light);
  border-left-color: var(--color-primary);
}

.report-highlight-box--warning {
  background: var(--color-warning-light);
  border-left-color: var(--color-warning);
}

.report-highlight-box--success {
  background: var(--color-success-light);
  border-left-color: var(--color-success);
}

.report-highlight-box__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-3) 0;
  color: var(--color-text-primary);
}

.report-highlight-box--warning .report-highlight-box__title {
  color: var(--color-warning-dark);
}

.report-highlight-box--success .report-highlight-box__title {
  color: var(--color-success-dark);
}

.report-highlight-box__content {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.report-highlight-box__content p {
  margin: 0 0 var(--space-3) 0;
}

.report-highlight-box__content p:last-child {
  margin-bottom: 0;
}

/* KPI Grid */
.report-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.report-kpi-grid--summary {
  margin-top: 0;
  margin-bottom: var(--space-5);
}

.report-kpi-grid__item {
  background: var(--color-bg-secondary);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  text-align: center;
}

.report-kpi-grid__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.report-kpi-grid__value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* Error State */
.report-section--error {
  padding: var(--space-5);
  background: var(--color-error-light);
  border-left: 4px solid var(--color-error);
  border-radius: var(--radius-base);
  color: var(--color-error-dark);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-6);
}

.report-validation-errors {
  padding: var(--space-6);
  background: var(--color-error-light);
  border: 2px solid var(--color-error);
  border-radius: var(--radius-lg);
  margin: var(--space-6) auto;
  max-width: 800px;
}

.report-validation-errors h2 {
  color: var(--color-error-dark);
  margin-top: 0;
}

.report-validation-errors ul {
  list-style: disc;
  padding-left: var(--space-6);
}

.report-validation-errors li {
  color: var(--color-error-dark);
  margin-bottom: var(--space-2);
}

/* Responsive Design */
@media (max-width: 768px) {
  .report-container {
    padding: var(--space-4);
  }

  .report-header__title {
    font-size: var(--font-size-3xl);
  }

  .report-section {
    padding: var(--space-4);
  }

  .report-kpi-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
  }

  .report-table {
    font-size: var(--font-size-xs);
  }

  .report-table__cell {
    padding: var(--space-2) var(--space-3);
  }
}

/* ============================================
   CONSOLIDATED DARK MODE STYLES
   All dark mode overrides in one place
   ============================================ */
@media (prefers-color-scheme: dark) {
  
  /* ========== CSS Variables Override ========== */
  :root {
    --color-gray-50: #111827;
    --color-gray-100: #f8fafc;  /* Bright white for headings */
    --color-gray-200: #e2e8f0;  /* Bright gray for body text */
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    --color-primary: #60a5fa;
    --color-primary-dark: #3b82f6;
    --color-primary-darker: #2563eb;
    --color-primary-light: #93c5fd;
    
    --color-success: #34d399;
    --color-success-dark: #10b981;
    --color-success-darker: #059669;
    --color-success-light: #064e3b;
    --color-success-lighter: #065f46;
    --color-success-border: #10b981;
    
    --color-warning: #fbbf24;
    --color-warning-dark: #f59e0b;
    --color-warning-darker: #d97706;
    --color-warning-light: #fef3c7;
    --color-warning-lighter: #fde68a;
    --color-warning-border: #f59e0b;
    
    --color-error: #ef4444;
    --color-error-dark: #dc2626;
    --color-error-darker: #b91c1c;
    --color-error-light: #fecaca;
    --color-error-lighter: #fca5a5;
    --color-error-border: #dc2626;
  }
  
  /* ========== Base Elements ========== */
  body {
    background: #0f172a;
    color: #f8fafc;
  }
  
  .container,
  .workout-content {
    background: #0f172a;
    color: var(--color-gray-100);
  }

  .set-row__load {
    color: var(--color-gray-100);
  }

  .exercise-card.is-load-editing .set-row__load {
    color: var(--color-gray-300);
  }

  .ex-angle--chip {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-gray-100);
  }

  .ex-angle--chip.ex-angle--incline {
    background: rgba(96, 165, 250, 0.2);
    color: var(--color-primary-light);
  }

  .ex-angle--chip.ex-angle--decline {
    background: rgba(251, 191, 36, 0.25);
    color: var(--color-warning-lighter);
  }

  .ex-angle--inline {
    color: var(--color-gray-400);
  }
  
  /* ========== Typography ========== */
  h1, h2, h3, h4, h5, h6 {
    color: #f8fafc;
  }
  
  .section h2,
  .section h3,
  .section h4,
  .workout-header h1,
  .workout-header p {
    color: #f8fafc;
  }
  
  p {
    color: #e2e8f0;
  }
  
  ul li, ol li {
    color: #e2e8f0;
  }
  
  strong {
    color: #ffffff;
    font-weight: var(--font-weight-semibold);
  }
  
  /* ========== Links ========== */
  a {
    color: #8ab4f8;
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 2px;
  }
  
  a:hover {
    color: #a8c7fa;
  }
  
  a:active {
    color: #79a7f5;
  }
  
  a:visited {
    color: #c58af9;
  }
  
  a:focus-visible {
    outline: 2px solid #a8c7fa;
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }
  
  /* ========== BEM: Header & Navigation ========== */
  .site-header {
    background: linear-gradient(135deg, #4c1d95 0%, #581c87 100%);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
  
  .site-header nav a,
  .site-header__nav a,
  .site-header__link {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.95);
  }
  
  .site-header nav a:hover,
  .site-header nav a:active,
  .site-header__nav a:hover,
  .site-header__nav a:active,
  .site-header__link:hover,
  .site-header__link:active {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.35);
    color: var(--color-white);
  }
  
  .site-header nav a.active,
  .site-header__nav a.active,
  .site-header__link--active {
    background: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    font-weight: var(--font-weight-semibold);
  }
  
  /* ========== Footer ========== */
  .site-footer {
    color: #aeb5bf;
    background: #14161a;
    border-color: #2a2d33;
  }
  
  /* ========== Cards & Content Areas ========== */
  .workout-content,
  .form,
  .workout-meta {
    background: #14161a;
    border-color: #2a2d33;
  }
  
  .card,
  .section,
  .exercise-card {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  }
  
  .card:hover,
  .section:hover,
  .exercise-card:hover {
    border-color: #475569;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
  }
  
  .card h2,
  .section h2,
  .exercise-card h2 {
    color: var(--color-gray-100);
  }
  
  .card h3,
  .section h3,
  .exercise-card h3 {
    color: #e2e8f0;
  }
  
  .exercise-card .exercise-header {
    border-bottom-color: #334155;
  }
  
  .exercise-card .exercise-header h1,
  .exercise-card .exercise-header h2,
  .exercise-card .exercise-header h3,
  .exercise-card .exercise-header h4 {
    color: #f8fafc;
  }
  
  .exercise-card .exercise-header .ex-presc {
    color: #fafafa;
  }
  
  .exercise-card .exercise-header .ex-cues {
    color: #d4d9e1;
  }
  
  .exercise-card .exercise-header .ex-cues li::before {
    color: #34d399;
  }
  
  .exercise-card .exercise-notes {
    color: #d7dbe3;
  }
  
  .exercise-detail section {
    background: #181b20;
    border-color: #2a2d33;
  }
  
  .exercise-detail .meta-badges .badge {
    background: #232830;
    color: #d5d9df;
  }
  
  .exercise-detail section h2 {
    color: #f8fafc;
  }
  
  .exercise-detail .prescription-hints code {
    background: #232830;
  }
  
  /* Exercise card notes - better contrast in dark mode */
  .exercise-card__notes {
    color: #cbd5e1;
  }

  .session-superset {
    background: #1e293b;
    border-color: #334155;
    border-left-color: #60a5fa;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.3);
  }

  .session-superset__notes {
    color: #cbd5e1;
  }

  section[data-display-mode="reference"] .session-superset__badge {
    background: rgba(148, 163, 184, 0.25);
    color: #f8fafc;
    border-color: transparent;
  }

  section[data-display-mode="reference"] .session-superset__meta {
    color: #d4d9e1;
  }
  
  /* ========== Page Header Dark Mode ========== */
  .page-header {
    border-bottom-color: #334155;
  }
  
  .page-header h1 {
    color: #f8fafc;
  }
  
  .page-description {
    color: #cbd5e1;
  }

  /* Style Guide Components Dark Mode */
  .sg-header {
    background: linear-gradient(135deg, #4c1d95 0%, #581c87 100%);
  }

  .sg-section-title {
    color: #f8fafc;
    border-bottom-color: #60a5fa;
  }

  .workout-grid-card {
    background: #1e293b;
    border-color: #334155;
  }

  .workout-grid-card:hover {
    border-color: #60a5fa;
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.1);
  }

  .workout-grid-card--today {
    border-color: #4ade80;
    background: rgba(74, 222, 128, 0.05);
  }

  .workout-grid-card__header {
    border-bottom-color: #334155;
  }

  .workout-grid-card__day {
    color: #f8fafc;
  }

  .workout-grid-card__date {
    color: #94a3b8;
  }

  .workout-grid-card__title {
    color: #60a5fa;
  }

  .workout-grid-card__title:hover {
    color: #93c5fd;
  }

  .workout-grid-card__meta {
    color: #94a3b8;
  }

  .workout-grid-card--placeholder {
    background: transparent;
    border-color: #334155;
  }

  .workout-grid-card--placeholder .workout-grid-card__body {
    color: #64748b;
  }

  .today-badge {
    background: #4ade80;
    color: #0f172a;
  }
  
  /* ========== Day Groups Dark Mode ========== */
  .day-group {
    border-left-color: #334155;
  }
  
  .day-group:hover {
    border-left-color: #60a5fa;
  }
  
  .day-group.today {
    border-left-color: #34d399;
    background: linear-gradient(90deg, rgba(52, 211, 153, 0.1) 0%, transparent 100%);
  }
  
  .day-group h3 {
    color: #f8fafc;
  }
  
  .day-group.today h3 {
    color: #34d399;
  }
  
  /* ========== Card Header Dark Mode ========== */
  .card-header {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-bottom-color: #475569;
  }
  
  .card-header h2 {
    color: #f8fafc;
  }
  
  .card-header p,
  .card-header .form__hint {
    color: #cbd5e1;
  }
  
  /* ========== Workout Grid Dark Mode ========== */
  .weekly-context {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(102, 126, 234, 0.2) 100%);
    border-color: #60a5fa;
  }

  .weekly-context__title {
    color: #93c5fd;
  }

  .weekly-context__summary {
    color: #e2e8f0;
  }

  .workout-grid-card {
    background: #1e293b;
    border-color: #334155;
  }
  
  .workout-grid-card:hover {
    border-color: #60a5fa;
  }
  
  .workout-grid-card.today {
    border-color: #34d399;
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.1) 0%, #1e293b 100%);
  }
  
  .workout-grid-card__header {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-bottom-color: #475569;
  }
  
  .workout-grid-card.today .workout-grid-card__header {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 100%);
    border-bottom-color: #34d399;
  }
  
  .workout-grid-card__day {
    color: #f8fafc;
  }
  
  .workout-grid-card.today .workout-grid-card__day {
    color: #34d399;
  }
  
  .workout-grid-card__date {
    color: #cbd5e1;
  }
  
  .workout-grid-card__title {
    color: #60a5fa;
  }
  
  .workout-grid-card__title:hover {
    color: #93c5fd;
  }
  
  .workout-grid-card__meta {
    color: #94a3b8;
  }
  
  /* ========== Forms & Inputs ========== */
  .form-hint,
  .form__hint {
    color: #c2c8d1;
  }
  
  .form label {
    color: #d5d9df;
  }
  
  .form input[type="text"],
  .form textarea {
    background: #1a1d22;
    border-color: #3a3f47;
    color: #e6e8ec;
  }
  
  .form input:focus,
  .form textarea:focus {
    outline-color: #8ab4f8;
    border-color: #8ab4f8;
  }
  
  input[type="text"],
  input[type="number"],
  textarea,
  select {
    background: #334155;
    border-color: #475569;
    color: var(--color-gray-100);
  }
  
  input[type="text"]:focus,
  input[type="number"]:focus,
  textarea:focus,
  select:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
    background: #475569;
  }
  
  input::placeholder {
    color: #94a3b8;
  }
  
  .set-row .set-label {
    color: #b5bcc7;
  }
  
  .set-row input {
    background: #1a1d22;
    border-color: #3a3f47;
    color: #e6e8ec;
  }
  
  .set-label {
    color: #cbd5e1;
  }
  
  /* ========== Buttons ========== */
  button {
    background: linear-gradient(135deg, var(--color-primary-darker) 0%, #1e3a8a 100%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }
  
  button:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-darker) 100%);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
  }
  
  button:active {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  }
  
  button.secondary,
  .button--secondary {
    background: var(--color-gray-700);
    color: #f9fafb;
    border: 1px solid var(--color-gray-600);
  }
  
  button.secondary:hover,
  .button--secondary:hover {
    background: var(--color-gray-600);
    border-color: var(--color-gray-500);
  }
  
  .remove-set-btn {
    background: var(--color-error);
    color: var(--color-white);
  }
  
  .remove-set-btn:hover {
    background: var(--color-error-dark);
  }
  
  .remove-set-btn:active {
    background: var(--color-error-darker);
  }
  
  .remove-set-btn:focus,
  .remove-set-btn:focus-visible {
    outline-color: #fca5a5;
  }
  
  /* ========== Status & Alerts ========== */
  .status {
    background: #3a2f00;
    color: #f3e5ab;
    border-color: #5a4a00;
  }
  
  /* ========== Lists ========== */
  .workout-list li {
    border-bottom-color: #2a2d33;
    background: #1e293b;
  }
  
  .workout-list li:hover {
    border-color: #475569;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }
  
  .workout-list a:hover,
  .workout-list a:active {
    background-color: #1a1d22;
  }
  
  .workout-list .workout-title {
    color: var(--color-gray-100);
  }
  
  .workout-list .workout-meta {
    color: #94a3b8;
  }
  
  .history-list li {
    border-bottom-color: #2a2d33;
    background: #1e293b;
  }
  
  .history-list a:hover,
  .history-list a:active {
    background-color: #1a1d22;
  }
  
  /* ========== Meta Actions ========== */
  .workout-meta .meta-actions a {
    background: #232830;
    border-color: #3a3f47;
    color: #8ab4f8;
  }
  
  .workout-meta .meta-actions a:hover,
  .workout-meta .meta-actions a:active {
    background: #2a2f38;
  }
  
  /* ========== Exercise Badges ========== */
  .exercise-badge {
    background: var(--color-primary-darker);
    color: #dbeafe;
  }
  
  .exercise-pill {
    background: var(--color-gray-700);
    color: var(--color-gray-200);
  }
  
  .exercise-history-item {
    border-color: #334155;
    background: #1e293b;
    box-shadow: none;
  }

  .exercise-history-set {
    border-left-color: #475569;
  }

  .exercise-history-set__label {
    color: #e2e8f0;
  }

  .exercise-history-set__metrics {
    color: #cbd5f5;
  }

  .exercise-history-item__timestamp {
    color: #94a3b8;
  }

  .ex-angle--chip.ex-angle--flat {
    background: rgba(148, 163, 184, 0.35);
    color: #e2e8f0;
  }
  
  /* ========== RPE Components ========== */
  .rpe-table-container {
    border-color: #334155;
    background: #1e293b;
  }
  
  .rpe-table {
    background: #1e293b;
  }
  
  .rpe-table th {
    background: #0f172a;
    color: var(--color-gray-100);
    border-bottom-color: #334155;
    font-weight: var(--font-weight-semibold);
  }
  
  .rpe-table td {
    border-bottom-color: #334155;
    color: var(--color-gray-100);
  }
  
  .rpe-table tbody tr:hover {
    background: #334155;
  }
  
  .rpe-card {
    background: #1e293b;
    border-color: #334155;
  }
  
  .rpe-card-header {
    border-bottom-color: #334155;
  }
  
  .rpe-card .rpe-effort {
    color: var(--color-gray-100);
    font-weight: var(--font-weight-semibold);
  }
  
  .rpe-card-content p {
    color: #e2e8f0;
  }
  
  .rpe-light {
    background: #0c1420;
    border-color: #1e3a5f;
  }
  
  .rpe-moderate {
    background: #1a1611;
    border-color: #4a3b1a;
  }
  
  .rpe-hard {
    background: #1f1315;
    border-color: #5c1f20;
  }
  
  .rpe-max {
    background: #1c1018;
    border-color: #54184b;
  }
  
  .rpe-description p {
    color: #e2e8f0;
  }
  
  .rpe-scale .rpe-item {
    background: #1e293b;
    border-color: #334155;
  }
  
  .rpe-scale .rpe-item:hover {
    background: #334155;
  }
  
  .rpe-scale .rpe-description h4 {
    color: var(--color-gray-100);
    font-weight: var(--font-weight-semibold);
  }
  
  .rpe-scale .rpe-description p {
    color: #e2e8f0;
  }
  
  .scenario-description,
  .how-it-felt,
  .rpe-rating-text {
    color: #e2e8f0;
  }
  
  /* ========== Example Boxes ========== */
  .example-box {
    background: #0f172a;
    border-color: #334155;
  }
  
  .example-box h3 {
    color: var(--color-gray-100);
    font-weight: var(--font-weight-bold);
  }
  
  .example-set {
    background: #1e293b;
    border-color: #334155;
  }
  
  .example-set h4 {
    color: var(--color-gray-100);
    font-weight: var(--font-weight-semibold);
  }
  
  .example-set p {
    color: #e2e8f0;
    line-height: var(--line-height-relaxed);
  }
  
  .example-set strong {
    color: var(--color-gray-100);
    font-weight: var(--font-weight-semibold);
  }
  
  .example-set em {
    color: #94a3b8;
    font-style: italic;
  }
  
  .example-notes {
    background: #0d1f1a;
    border-color: #1e4a33;
  }
  
  .example-notes h4 {
    color: #34d399;
    font-weight: var(--font-weight-semibold);
  }
  
  .example-notes li {
    color: #e2e8f0;
  }
  
  .mistake-item {
    background: #0f172a;
    border-color: var(--color-error);
  }
  
  .mistake-item h4 {
    color: #fca5a5;
    font-weight: var(--font-weight-semibold);
  }
  
  .mistake-item p:first-of-type {
    color: var(--color-error-lighter);
  }
  
  .mistake-item p:last-of-type {
    color: #86efac;
  }
  
  .ref-column {
    background: #1e293b;
    border-color: #334155;
  }
  
  .ref-column h4 {
    color: var(--color-gray-100);
    font-weight: var(--font-weight-semibold);
  }
  
  .ref-column li {
    color: #e2e8f0;
  }
  
  .info-box {
    background: #0f172a;
    border-color: var(--color-primary-darker);
  }
  
  .info-box h3 {
    color: var(--color-primary-light);
    font-weight: var(--font-weight-semibold);
  }
  
  .info-box p,
  .info-box li {
    color: #dbeafe;
  }
  
  /* ========== Week View ========== */
  .day-group {
    background: var(--color-bg-secondary);
    border-color: var(--color-border-light);
  }
  
  .day-group.today {
    background: linear-gradient(135deg, #1e293b, #1f2937);
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
  }
  
  .day-group .workout-list li {
    background: var(--color-bg-primary);
    border-color: var(--color-border);
  }
  
  .day-group .workout-list li:hover {
    background: var(--color-bg-hover);
    border-color: #3b82f6;
  }
  
  .day-group .badge {
    background: #3b82f6;
    color: #ffffff;
  }
  
  /* ========== Progress Report Dark Mode ========== */
  .progress-report__header {
    background: linear-gradient(135deg, #4c1d95 0%, #581c87 100%);
  }
  
  .progress-report__section {
    background: #1e293b;
    border-color: #334155;
  }
  
  .progress-report__section h2 {
    color: #f8fafc;
    border-bottom-color: #60a5fa;
  }
  
  .progress-report__section h3 {
    color: #e2e8f0;
  }
  
  .progress-report__kpi-card {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
  
  .progress-report__table {
    background: #1e293b;
  }
  
  .progress-report__table th {
    background: #0f172a;
    color: var(--color-gray-100);
    border-bottom-color: #334155;
  }
  
  .progress-report__table td {
    border-bottom-color: #334155;
    color: #e2e8f0;
  }
  
  .progress-report__table tbody tr:hover {
    background: #334155;
  }
  
  .progress-report__highlights li {
    background: #1e293b;
    border-left-color: #60a5fa;
  }
  
  .progress-report__highlights--success li {
    background: #0d1f1a;
    border-left-color: #34d399;
  }
  
  .progress-report__highlights--warning li {
    background: #1a1611;
    border-left-color: #fbbf24;
  }
  
  .progress-report__highlights--error li {
    background: #1f1315;
    border-left-color: #ef4444;
  }
  
  .progress-report__controls {
    background: #1e293b;
    border-color: #334155;
  }
  
  .progress-report__controls h3 {
    color: #f8fafc;
  }
  
  .progress-report__controls label {
    color: #e2e8f0;
  }
  
  .progress-report__controls select,
  .progress-report__controls input {
    background: #334155;
    border-color: #475569;
    color: #f8fafc;
  }
  
  .progress-report__controls select:focus,
  .progress-report__controls input:focus {
    border-color: #60a5fa;
    background: #475569;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
  }
  
  .progress-report__controls select:hover,
  .progress-report__controls input:hover {
    border-color: #64748b;
  }
  
  .progress-report__loading {
    color: #94a3b8;
  }

  /* ========== Progress Report Renderer (Dark Mode) ========== */
  .report-header {
    border-bottom-color: var(--color-gray-700);
  }

  .report-header__title {
    color: var(--color-gray-100);
  }

  .report-header__period {
    color: var(--color-gray-300);
  }

  .report-header__generated-date,
  .report-header__author {
    color: var(--color-gray-400);
  }

  .report-summary {
    background: var(--color-gray-800);
  }

  .report-summary__grade-label {
    color: var(--color-gray-300);
  }

  .report-summary__grade-value {
    color: var(--color-primary-light);
  }

  .report-summary__highlights-title {
    color: var(--color-gray-100);
  }

  .report-summary__highlights-list li {
    color: var(--color-gray-300);
  }

  .report-summary__injury-status {
    background: rgba(251, 191, 36, 0.1);
    border-left-color: var(--color-warning);
  }

  .report-summary__injury-title,
  .report-summary__injury-content {
    color: var(--color-warning-lighter);
  }

  .report-section {
    background: var(--color-gray-800);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  }

  .report-section__title {
    color: var(--color-gray-100);
    border-bottom-color: var(--color-gray-700);
  }

  .report-section__subtitle {
    color: var(--color-gray-300);
  }

  .report-section__content {
    color: var(--color-gray-300);
  }

  .report-section__badge {
    background: rgba(37, 99, 235, 0.2);
    color: var(--color-primary-light);
  }

  .report-section__exercise-list li,
  .report-section__notes p,
  .report-section__table-notes {
    color: var(--color-gray-400);
  }

  .report-section--strength-analysis {
    border-left-color: var(--color-primary-light);
  }

  .report-table__header {
    background: var(--color-gray-900);
  }

  .report-table__row {
    border-bottom-color: var(--color-gray-700);
  }

  .report-table__row--header {
    border-bottom-color: var(--color-gray-600);
  }

  .report-table__cell {
    color: var(--color-gray-300);
  }

  .report-table__cell--header {
    color: var(--color-gray-100);
  }

  .report-table--exercise .report-table__cell:first-child {
    color: var(--color-gray-100);
  }

  .report-section--text {
    border-left-color: var(--color-gray-600);
  }

  .report-highlight-box {
    border-left-color: var(--color-gray-600);
  }

  .report-highlight-box--info {
    background: rgba(37, 99, 235, 0.1);
    border-left-color: var(--color-primary-light);
  }

  .report-highlight-box--warning {
    background: rgba(251, 191, 36, 0.1);
    border-left-color: var(--color-warning);
  }

  .report-highlight-box--success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--color-success);
  }

  .report-highlight-box__title {
    color: var(--color-gray-100);
  }

  .report-highlight-box--warning .report-highlight-box__title {
    color: var(--color-warning-lighter);
  }

  .report-highlight-box--success .report-highlight-box__title {
    color: var(--color-success-lighter);
  }

  .report-highlight-box__content {
    color: var(--color-gray-300);
  }

  .report-kpi-grid__item {
    background: var(--color-gray-900);
  }

  .report-kpi-grid__label {
    color: var(--color-gray-400);
  }

  .report-kpi-grid__value {
    color: var(--color-primary-light);
  }

  .report-section--error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--color-error);
    color: var(--color-error-lighter);
  }

  .report-validation-errors {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
  }

  .report-validation-errors h2,
  .report-validation-errors li {
    color: var(--color-error-lighter);
  }
}