/*
 * Jym Application Unified Design System
 *
 * This file contains the complete design system for the Jym fitness tracking application.
 * All styles are centralized here to ensure consistency across the application.
 *
 *= require modern-utilities
 *= require components
 */

/* ==========================================================================
   Hero Icons Base Styles
   ========================================================================== */

.hero-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.hero-icon-outline {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.hero-icon-solid {
  fill: currentColor;
}

.hero-icon-mini {
  fill: currentColor;
}

/* Icon sizes - using Tailwind CSS naming convention */
.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }
.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-5 { width: 1.25rem; }
.h-5 { height: 1.25rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-7 { width: 1.75rem; }
.h-7 { height: 1.75rem; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }

/* Icon positioning improvements */
.nav-icon .hero-icon,
.mobile-nav-icon .hero-icon,
.dropdown-icon .hero-icon,
.brand-icon .hero-icon,
.toggle-icon .hero-icon {
  display: inline-block;
  vertical-align: text-top;
}

.measurement-icon .hero-icon {
  display: block;
  margin: 0 auto;
}

.toast-icon .hero-icon {
  display: inline-block;
  vertical-align: middle;
}

.completed-badge .hero-icon,
.pending-badge .hero-icon {
  display: inline-block;
  vertical-align: text-top;
  margin-right: 0.25rem;
}

/* ==========================================================================
   CSS Variables - Design Tokens
   ========================================================================== */

:root {
  /* Color Scheme */
  color-scheme: light;
  
  /* Brand Colors (consistent in both themes) */
  --primary: #007bff;
  --primary-hover: #0056b3;
  --primary-light: #e3f2fd;
  --secondary: #6c757d;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  
  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-accent: #e3f2fd;
  
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #6c757d;
  --text-inverse: #ffffff;
  
  --border-color: #dee2e6;
  --border-light: #e9ecef;
  --border-dark: #ced4da;
  
  /* Legacy colors for compatibility */
  --light: #f8f9fa;
  --dark: #343a40;
  --white: #ffffff;
  
  /* Gray Scale (Light Theme) */
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.25rem;   /* 20px */
  --spacing-xl: 1.5rem;    /* 24px */
  --spacing-xxl: 2rem;     /* 32px */
  --spacing-xxxl: 3rem;    /* 48px */
  
  /* Typography */
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-xxl: 1.5rem;   /* 24px */
  --font-size-xxxl: 2rem;    /* 32px */
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 50%;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Dark Theme */
[data-theme="dark"] {
  /* Color Scheme */
  color-scheme: dark;
  
  /* Dark Theme Colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #404040;
  --bg-accent: #1e3a5f;
  
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #a0a0a0;
  --text-inverse: #212529;
  
  --border-color: #404040;
  --border-light: #333333;
  --border-dark: #505050;
  
  /* Dark Theme Gray Scale */
  --gray-100: #2d2d2d;
  --gray-200: #404040;
  --gray-300: #505050;
  --gray-400: #606060;
  --gray-500: #808080;
  --gray-600: #a0a0a0;
  --gray-700: #c0c0c0;
  --gray-800: #e0e0e0;
  --gray-900: #ffffff;
  
  /* Adjust shadows for dark theme */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .theme-label {
  color: var(--text-primary);
}

/* ==========================================================================
   Base Typography
   ========================================================================== */

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: var(--font-size-xxxl); }
h2 { font-size: var(--font-size-xxl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
  margin-bottom: var(--spacing-md);
}

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

/* ==========================================================================
   Layout System
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

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

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

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

.items-start {
  align-items: flex-start;
}

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

.justify-center {
  justify-content: center;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ==========================================================================
   Spacing Utilities
   ========================================================================== */

.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }
.mb-xxxl { margin-bottom: var(--spacing-xxxl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ==========================================================================
   Page Header Component
   ========================================================================== */

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xxl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  margin-bottom: 0;
}

.page-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Common UI Components */

/* Form Error Messages */
#error_explanation {
  color: #721c24;
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 4px;
  padding: 15px;
  margin-bottom: 20px;
}

#error_explanation h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

#error_explanation ul {
  margin: 0;
  padding-left: 20px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  margin-bottom: 12px;
  min-width: 300px;
  max-width: 400px;
  pointer-events: auto;
  cursor: pointer;
  transform: translateX(100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast.hide {
  transform: translateX(100%);
  opacity: 0;
}

.toast-content {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  color: white;
}

.toast-message {
  flex: 1;
  font-weight: 500;
  color: #374151;
  line-height: 1.4;
}

.toast-success .toast-icon {
  background-color: #10b981;
}

.toast-success .toast-content {
  border-left: 4px solid #10b981;
}

.toast-danger .toast-icon {
  background-color: #ef4444;
}

.toast-danger .toast-content {
  border-left: 4px solid #ef4444;
}

/* Legacy alert styles (hidden by default, used for toast content) */
.alert {
  display: none;
}

/* ==========================================================================
   Button System
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Button Variants */
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--white);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background: #5a6268;
  border-color: #545b62;
  color: var(--white);
}

.btn-success {
  background: var(--success);
  color: var(--white);
  border-color: var(--success);
}

.btn-success:hover {
  background: #218838;
  border-color: #1e7e34;
  color: var(--white);
}

.btn-warning {
  background: var(--warning);
  color: var(--dark);
  border-color: var(--warning);
}

.btn-warning:hover {
  background: #e0a800;
  border-color: #d39e00;
  color: var(--dark);
}

.btn-danger {
  background: var(--danger);
  color: var(--white);
  border-color: var(--danger);
}

.btn-danger:hover {
  background: #c82333;
  border-color: #bd2130;
  color: var(--white);
}

/* Outline Variants */
.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-outline-secondary {
  background: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-outline-secondary:hover {
  background: var(--secondary);
  color: var(--white);
}

.btn-outline {
  background: var(--white);
  color: var(--gray-600);
  border-color: var(--gray-300);
}

.btn-outline:hover {
  background: var(--gray-100);
  color: var(--gray-700);
  border-color: var(--gray-400);
}

/* Button Sizes */
.btn-sm {
  padding: calc(var(--spacing-xs) + 2px) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* Button Groups */
.btn-group {
  display: inline-flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn-group--sm {
  gap: var(--spacing-xs);
}

.btn-group--lg {
  gap: var(--spacing-md);
}

.btn-toolbar {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

/* Button Themes */
.btn--rounded {
  border-radius: var(--border-radius-xl);
}

.btn--pill {
  border-radius: 50px;
}

.btn--block {
  display: block;
  width: 100%;
}

.btn--gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #0056b3 100%);
  border: none;
  color: var(--white);
}

.btn--gradient:hover {
  background: linear-gradient(135deg, #0056b3 0%, var(--primary) 100%);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--gray-600);
}

.btn--ghost:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

/* Button with Icon */
.btn-icon {
  margin-right: var(--spacing-xs);
  font-size: 0.9em;
}

.btn--icon-only {
  padding: var(--spacing-sm);
  aspect-ratio: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn--icon-only .btn-icon {
  margin: 0;
}

/* ==========================================================================
   Badge System
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: calc(var(--spacing-xs) + 1px) var(--spacing-sm);
  border-radius: var(--border-radius-xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

/* Status Badges */
.status-badge {
  padding: calc(var(--spacing-xs) + 2px) var(--spacing-md);
  border-radius: var(--border-radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: inline-block;
}

.status-planned {
  background: var(--secondary);
  color: var(--white);
}

.status-in_progress {
  background: var(--primary);
  color: var(--white);
}

.status-completed {
  background: var(--success);
  color: var(--white);
}

.status-paused {
  background: var(--warning);
  color: var(--dark);
}

/* Measurement Type Badges */
.badge-repetitions { background: var(--primary); color: var(--white); }
.badge-load { background: var(--success); color: var(--white); }
.badge-distance { background: var(--danger); color: var(--white); }
.badge-duration { background: var(--warning); color: var(--dark); }
.badge-calories { background: #6f42c1; color: var(--white); }

/* Tag Badges */
.tag {
  display: inline-block;
  padding: calc(var(--spacing-xs) + 1px) var(--spacing-sm);
  border-radius: var(--border-radius-xl);
  font-size: var(--font-size-xs);
  color: var(--white);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

/* ==========================================================================
   Card System & Variants
   ========================================================================== */

.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

/* Card Variants */
.card--compact {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.card--featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--white) 0%, #f8fbff 100%);
}

.card--outlined {
  background: transparent;
  border: 2px solid var(--gray-300);
  box-shadow: none;
}

.card--outlined:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* Card Sizes */
.card--sm {
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
}

.card--lg {
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-lg);
}

.card--xl {
  padding: var(--spacing-xxxl);
  border-radius: var(--border-radius-lg);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--text-primary);
}

.card-header h3 a {
  color: var(--primary);
  text-decoration: none;
}

.card-header h3 a:hover {
  text-decoration: underline;
}

.card-body {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.card-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Stat Cards */
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-fast);
}

.stat-card:hover {
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

.stat-card__value {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--primary);
  margin: 0;
  line-height: 1;
}

.stat-card__label {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin: var(--spacing-xs) 0 0 0;
  font-weight: 500;
}

/* ==========================================================================
   Form System - Mobile Optimized
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-control:disabled {
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Textarea specific styles */
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Select specific styles */
select.form-control {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: 40px;
}

.form-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
  line-height: 1.4;
}

.help-text {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  flex-direction: column;
}

.form-actions .btn {
  min-height: 48px;
  font-size: var(--font-size-base);
  font-weight: 600;
}

/* Legacy field class for compatibility */
.field {
  margin-bottom: var(--spacing-lg);
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.field input, 
.field textarea, 
.field select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.field input:focus, 
.field textarea:focus, 
.field select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Checkbox and Radio improvements */
.form-check {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  min-height: 44px;
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin-right: var(--spacing-md);
  cursor: pointer;
}

.form-check-label {
  cursor: pointer;
  font-size: var(--font-size-base);
  line-height: 1.4;
}

/* Input Groups */
.input-group {
  display: flex;
  width: 100%;
}

.input-group .form-control {
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-top-left-radius: var(--border-radius-md);
  border-bottom-left-radius: var(--border-radius-md);
}

.input-group .form-control:last-child {
  border-top-right-radius: var(--border-radius-md);
  border-bottom-right-radius: var(--border-radius-md);
}

.input-group-text {
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  min-height: 48px;
}

/* Responsive form layouts */
@media (min-width: 768px) {
  .form-actions {
    flex-direction: row;
    justify-content: flex-start;
  }
  
  .form-actions .btn {
    min-height: auto;
    width: auto;
  }
  
  .form-row {
    display: flex;
    gap: var(--spacing-lg);
  }
  
  .form-row .form-group {
    flex: 1;
  }
}

/* ==========================================================================
   Filter System
   ========================================================================== */

.filters {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

.filter-group {
  margin-bottom: var(--spacing-md);
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-right: var(--spacing-md);
  display: inline-block;
}

/* ==========================================================================
   Progress System
   ========================================================================== */

.progress {
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  height: 8px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.progress-bar {
  background: var(--success);
  height: 100%;
  transition: width var(--transition-medium);
  border-radius: var(--border-radius-sm);
}

.progress-text {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

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

.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

.bg-light { background-color: var(--bg-secondary); }
.bg-white { background-color: var(--bg-primary); }

.border { border: 1px solid var(--border-color); }
.border-top { border-top: 1px solid var(--border-color); }
.border-bottom { border-bottom: 1px solid var(--border-color); }

.rounded { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ==========================================================================
   Component-Specific Styles
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--spacing-xxxl) var(--spacing-lg);
  color: var(--text-muted);
}

.empty-state p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.actions {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* Page Title Section */
.page-title-section {
  flex: 1;
}

.page-title {
  margin-bottom: 0;
  color: var(--text-primary);
}

.page-subtitle {
  margin-bottom: 0;
  font-size: var(--font-size-lg);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumb-link:hover {
  color: var(--primary);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--text-muted);
}

/* Card Image */
.card-image {
  margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-lg);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

/* Card Title Section */
.card-title-section {
  flex: 1;
}

.card-title {
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.card-title a {
  color: inherit;
  text-decoration: none;
}

.card-title a:hover {
  color: var(--primary);
}

.card-subtitle {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Filter Count */
.filter-count {
  opacity: 0.7;
  font-size: 0.9em;
  margin-left: var(--spacing-xs);
}

/* Button Custom (for colored filters) */
.btn-custom {
  border: 1px solid currentColor;
}

.btn-custom:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Favorite Button */
.favorite-btn {
  font-size: var(--font-size-lg);
  text-decoration: none;
  color: var(--gray-400);
  transition: color var(--transition-fast);
  cursor: pointer;
}

.favorite-btn:hover {
  color: #ffd700;
}

.favorite-btn.favorited {
  color: #ffd700;
}

/* Target Values */
.target-value {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: calc(var(--spacing-xs) + 1px) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  display: inline-block;
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

/* Training Stats */
.stat-item {
  display: flex;
  flex-direction: column;
  min-width: 100px;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-weight: 600;
  color: var(--primary);
}

/* ==========================================================================
   Navigation System
   ========================================================================== */

/* Desktop Navigation */
.desktop-nav {
  display: none;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand .brand-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.brand-icon {
  font-size: var(--font-size-xl);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--bg-secondary);
  text-decoration: none;
}

.nav-link--active {
  color: var(--primary);
  background: var(--bg-accent);
}

.nav-icon {
  font-size: var(--font-size-base);
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.user-menu-trigger:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-full);
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.user-name {
  font-weight: 500;
}

.dropdown-arrow {
  font-size: var(--font-size-xs);
  transition: transform var(--transition-fast);
}

.user-menu.open .dropdown-arrow {
  transform: rotate(180deg);
}

.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-xs);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.user-menu-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: background-color var(--transition-fast);
  font-size: var(--font-size-sm);
}

.dropdown-item:hover {
  background: var(--bg-secondary);
  text-decoration: none;
}

.dropdown-item--danger {
  color: var(--danger);
}

.dropdown-item--danger:hover {
  background: rgba(220, 53, 69, 0.1);
  color: var(--danger);
}

.dropdown-icon {
  font-size: var(--font-size-sm);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-xs) 0;
}

/* Profile Page Styles */
.profile-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.profile-info-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.info-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
}

.info-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  margin: 0;
}

/* ==========================================================================
   Dark Mode Toggle
   ========================================================================== */

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.theme-toggle-icon {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-fast);
}

.theme-toggle:hover .theme-toggle-icon {
  transform: scale(1.1);
}

/* Hide/show icons based on theme */
[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

/* Default light theme icons */
.theme-toggle .icon-moon {
  display: block;
}

.theme-toggle .icon-sun {
  display: none;
}

/* Mobile Theme Setting in Profile */
.mobile-theme-setting {
  display: block;
}

.theme-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.theme-label {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 500;
}

/* Toggle Switch Styles */
.toggle-switch {
  position: relative;
  display: inline-block;
}

.toggle-input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-label {
  display: block;
  width: 44px;
  height: 24px;
  background-color: var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  position: relative;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 10px 0;
}

.toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: var(--white);
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.toggle-input:checked + .toggle-label {
  background-color: var(--primary);
}

.toggle-input:checked + .toggle-label .toggle-slider {
  transform: translateX(20px);
}

.toggle-input:focus + .toggle-label {
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Dark mode toggle slider color */
[data-theme="dark"] .toggle-slider {
  background-color: var(--white);
}

/* Navigation User Section */
.nav-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Desktop Theme Toggle */
.desktop-theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
}

.desktop-theme-toggle .toggle-icon {
  font-size: var(--font-size-base);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  position: absolute;
  left: -24px;
}

.desktop-theme-toggle:hover .toggle-icon {
  opacity: 1;
}

/* Show/hide icons based on theme */
.desktop-theme-toggle .icon-moon {
  display: block;
}

.desktop-theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .desktop-theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .desktop-theme-toggle .icon-sun {
  display: block;
}

.desktop-theme-toggle .toggle-label {
  width: 36px;
  height: 20px;
  border-radius: 10px;
  min-height: auto;
  padding: 0;
  position: relative;
  cursor: pointer;
}

.desktop-theme-toggle .toggle-slider {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
}

.desktop-theme-toggle .toggle-input:checked + .toggle-label .toggle-slider {
  transform: translateX(16px);
}

/* ==========================================================================
   Responsive Design - Mobile First Approach
   ========================================================================== */

/* Base styles (mobile first) */
.container {
  padding: var(--spacing-sm);
  margin: 0 auto;
  box-sizing: border-box;
}

.page-header {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-sm);
}

.page-actions {
  width: 100%;
}

.btn-group {
  flex-direction: column;
  width: 100%;
  gap: var(--spacing-sm);
}

.btn-group .btn {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  min-height: 44px; /* Touch target minimum */
}

.btn-toolbar {
  flex-direction: column;
  gap: var(--spacing-sm);
}

.btn-toolbar .btn {
  width: 100%;
  min-height: 44px;
}

.card-actions {
  flex-direction: column;
  gap: var(--spacing-sm);
}

.card-actions .btn {
  width: 100%;
  min-height: 44px;
}

.grid-cols-2 {
  grid-template-columns: 1fr;
}

.grid-cols-3 {
  grid-template-columns: 1fr;
}

.grid-cols-4 {
  grid-template-columns: 1fr;
}

.grid-auto-fit {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.grid-auto-fill {
  grid-template-columns: 1fr;
}

/* Toast positioning for mobile */
.toast-container {
  top: var(--spacing-md);
  right: var(--spacing-md);
  left: var(--spacing-md);
}

.toast {
  min-width: unset;
  max-width: 100%;
  transform: translateY(-100%);
  margin-bottom: var(--spacing-sm);
}

.toast.show {
  transform: translateY(0);
}

.toast.hide {
  transform: translateY(-100%);
}

/* Hide desktop theme toggle on mobile */
.desktop-theme-toggle {
  display: none;
}

/* Show mobile theme setting on mobile only */
.mobile-theme-setting {
  display: block;
}

/* Form improvements for mobile */
.form-control {
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  min-height: 48px;
  box-sizing: border-box;
}

.field input, 
.field textarea, 
.field select {
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  min-height: 48px;
  box-sizing: border-box;
}

/* Ensure proper responsive behavior */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Container responsive padding */
.container {
  padding: var(--spacing-sm);
  max-width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.container-sm {
  padding: var(--spacing-sm);
  max-width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

/* Filter improvements for mobile */
.filters {
  padding: var(--spacing-md);
}

.filter-group {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.filter-label {
  margin-bottom: var(--spacing-xs);
  margin-right: 0;
}

.filter-group .btn {
  width: 100%;
  min-height: 44px;
  margin-bottom: var(--spacing-xs);
}

/* Stat cards mobile improvements */
.stat-card {
  padding: var(--spacing-lg);
  min-height: 120px;
}

.stat-card__value {
  font-size: var(--font-size-xxl);
}

/* Better touch targets for editable elements */
.editable-reps, .editable-load {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: var(--spacing-sm);
}

.edit-input {
  min-height: 44px;
  padding: var(--spacing-sm);
  width: 80px;
  font-size: var(--font-size-base);
}

/* Measurement type selector mobile improvements */
.measurement-types-grid {
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

.measurement-type-label {
  padding: var(--spacing-lg);
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.measurement-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}

.measurement-name {
  font-size: var(--font-size-lg);
}

/* Medium screens (tablets) */
@media (min-width: 768px) {
  .container {
    padding: var(--spacing-md);
    max-width: 1200px;
  }
  
  .page-header {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-lg);
    padding: 0;
  }
  
  /* Show desktop nav, hide mobile nav */
  .desktop-nav {
    display: block;
  }
  
  .mobile-nav {
    display: none;
  }
  
  /* Adjust body padding */
  body {
    padding-bottom: 0;
  }
  
  /* Show desktop theme toggle, hide mobile setting */
  .desktop-theme-toggle {
    display: flex;
  }
  
  .mobile-theme-setting {
    display: none;
  }
  
  .form-page {
    padding: var(--spacing-lg);
  }
  
  .actions {
    flex-direction: row;
    justify-content: flex-start;
  }
  
  .actions .btn {
    width: auto;
    min-height: auto;
    min-width: 120px;
  }
  
  .exercise-checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .page-actions {
    width: auto;
  }
  
  .btn-group {
    flex-direction: row;
    width: auto;
  }
  
  .btn-group .btn {
    width: auto;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: auto;
  }
  
  .btn-toolbar {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .btn-toolbar .btn {
    width: auto;
    min-height: auto;
  }
  
  .card-actions {
    flex-direction: row;
  }
  
  .card-actions .btn {
    width: auto;
    min-height: auto;
  }
  
  .grid-auto-fit {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .toast-container {
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    left: auto;
  }
  
  .toast {
    min-width: 300px;
    max-width: 400px;
    transform: translateX(100%);
    margin-bottom: var(--spacing-md);
  }
  
  .toast.show {
    transform: translateX(0);
  }
  
  .toast.hide {
    transform: translateX(100%);
  }
  
  .filter-group {
    flex-direction: row;
    align-items: center;
  }
  
  .filter-label {
    margin-bottom: 0;
    margin-right: var(--spacing-md);
  }
  
  .filter-group .btn {
    width: auto;
    margin-bottom: 0;
  }
  
  .measurement-types-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Desktop profile layout */
  .profile-info-row {
    flex-direction: row;
    gap: var(--spacing-xl);
    align-items: flex-start;
  }
}

/* Large screens (desktops) */
@media (min-width: 1024px) {
  .container {
    padding: var(--spacing-lg);
    max-width: 1200px;
  }
  
  .form-page {
    max-width: 700px;
    padding: var(--spacing-xl);
  }
  
  .grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .measurement-types-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  /* Ensure profile layout stays horizontal on large screens */
  .profile-info-row {
    flex-direction: row;
    gap: var(--spacing-xl);
    align-items: flex-start;
  }
}

/* Extra large screens */
@media (min-width: 1200px) {
  .container {
    padding: var(--spacing-xl);
  }
}

/* Mobile navigation enhancements */
.mobile-nav {
  display: none;
}

@media (max-width: 767px) {
  .mobile-nav {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm);
    z-index: 100;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
  }
  
  .mobile-nav-buttons {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: space-around;
  }
  
  .mobile-nav .btn {
    flex: 1;
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
    min-height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
  }
  
  .mobile-nav-icon {
    font-size: var(--font-size-lg);
  }
  
  .mobile-nav-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
  }
  
  /* Mobile Theme Toggle Button */
  .mobile-nav .theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    flex: 1;
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
    border-radius: var(--border-radius-sm);
    min-height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
  }
  
  .mobile-nav .theme-toggle:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--primary);
  }
  
  .mobile-nav .theme-toggle .mobile-nav-icon {
    font-size: var(--font-size-lg);
  }
  
  /* Mobile theme toggle icon visibility */
  .mobile-nav .theme-toggle .icon-moon {
    display: block;
  }
  
  .mobile-nav .theme-toggle .icon-sun {
    display: none;
  }
  
  [data-theme="dark"] .mobile-nav .theme-toggle .icon-moon {
    display: none;
  }
  
  [data-theme="dark"] .mobile-nav .theme-toggle .icon-sun {
    display: block;
  }
  
  /* Add padding to body to account for fixed mobile nav */
  body {
    padding-bottom: 80px;
  }
}

/* Improved table responsiveness */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-responsive table {
  min-width: 600px;
}

/* Swipe gesture indicators */
.card--swipeable {
  position: relative;
  overflow: hidden;
}

.card--swipeable::after {
  content: "← Swipe for actions";
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  opacity: 0.5;
  pointer-events: none;
}

@media (min-width: 768px) {
  .card--swipeable::after {
    display: none;
  }
}

/* Improved focus states for accessibility */
.btn:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: none;
}

/* Better text selection on mobile */
.card-title,
.card-body,
.stat-card__label {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Loading states for better UX */
.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Inline editing styles - mobile optimized */
.editable-reps, .editable-load {
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.editable-reps:hover, .editable-load:hover {
  background-color: var(--bg-secondary);
}

.editable-reps.editing, .editable-load.editing {
  background-color: var(--bg-accent);
}

.edit-input {
  border: 1px solid var(--primary);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  font-size: var(--font-size-base);
  width: 80px;
  min-height: 44px;
  text-align: center;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.edit-input:focus {
  outline: none;
  border-color: var(--primary-hover);
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Measurement Type Selector */
.measurement-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-top: 10px;
}

.measurement-type-option {
  position: relative;
}

.measurement-type-checkbox {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.measurement-type-label {
  display: block;
  padding: 15px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: #f8f9fa;
  text-align: center;
}

.measurement-type-label:hover {
  border-color: #007bff;
  background-color: #e3f2fd;
}

.measurement-type-checkbox:checked + .measurement-type-label {
  border-color: #007bff;
  background-color: #007bff;
  color: white;
}

.measurement-icon {
  display: block;
  font-size: 24px;
  margin-bottom: 8px;
}

.measurement-name {
  display: block;
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 4px;
}

.measurement-description {
  display: block;
  font-size: 12px;
  opacity: 0.8;
}

.help-text {
  color: #6c757d;
  font-size: 14px;
  margin-bottom: 15px;
}

/* Measurement Inputs */
.measurement-inputs {
  margin-top: 30px;
}

.measurement-input {
  padding: 15px;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  margin-bottom: 15px;
  background-color: #f8f9fa;
}

.no-measurements-helper {
  text-align: center;
  padding: 20px;
  color: #6c757d;
  font-style: italic;
}

/* ==========================================================================
   Exercise Selection Component - Mobile Optimized
   ========================================================================== */

.exercise-selection {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
}

.exercise-selection h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.exercise-selection p {
  margin-bottom: var(--spacing-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.exercise-checkboxes {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  background: var(--bg-primary);
}

.exercise-option {
  display: flex;
  align-items: flex-start;
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  min-height: 60px;
}

.exercise-option:hover {
  background: var(--bg-accent);
  border-color: var(--primary);
}

.exercise-option input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-right: var(--spacing-md);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.exercise-option label {
  flex: 1;
  cursor: pointer;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.exercise-option label strong {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
}

.exercise-details {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

/* Form Page Layout */
.form-page {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.form-page h1 {
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: var(--text-primary);
}

/* Actions section improvements */
.actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.actions .btn {
  width: 100%;
  min-height: 48px;
  font-size: var(--font-size-base);
  font-weight: 600;
  justify-content: center;
}

/* ==========================================================================
   Modern Exercise Form Styles
   ========================================================================== */

.exercise-form-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.modern-exercise-form {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

/* Form Sections */
.form-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.section-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm) 0;
}

.section-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

/* Modern Labels */
.modern-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modern-label.optional::after {
  content: " (optional)";
  color: var(--text-secondary);
  font-weight: 400;
  text-transform: none;
  font-size: var(--font-size-xs);
}

/* Input Wrapper */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--spacing-md);
  color: var(--text-secondary);
  z-index: 2;
  pointer-events: none;
}

.input-unit {
  position: absolute;
  right: var(--spacing-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  z-index: 2;
  pointer-events: none;
}

/* Modern Inputs */
.modern-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl);
  padding-left: calc(var(--spacing-xl) + 24px);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all 0.2s ease;
  min-height: 48px;
}

.modern-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.modern-input::placeholder {
  color: var(--text-secondary);
}

.modern-textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: var(--spacing-md);
  line-height: 1.5;
}

.input-help {
  display: block;
  margin-top: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
}

/* Modern Measurement Types */
.modern-measurement-types {
  margin-top: var(--spacing-md);
}

.measurement-types-grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.measurement-type-card {
  position: relative;
}

.measurement-type-checkbox-modern {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.measurement-type-card-label {
  display: block;
  cursor: pointer;
  transition: all 0.2s ease;
}

.measurement-card-content {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-height: 80px;
  transition: all 0.2s ease;
}

.measurement-card-content:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.measurement-type-checkbox-modern:checked + .measurement-type-card-label .measurement-card-content {
  border-color: var(--primary-color);
  background: rgba(59, 130, 246, 0.05);
}

.measurement-icon-modern {
  color: var(--primary-color);
  flex-shrink: 0;
}

.measurement-text {
  flex: 1;
}

.measurement-name-modern {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.measurement-description-modern {
  display: block;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.measurement-checkbox-indicator {
  color: var(--primary-color);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.measurement-type-checkbox-modern:checked + .measurement-type-card-label .measurement-checkbox-indicator {
  opacity: 1;
}

/* Modern Measurement Inputs */
.measurement-inputs-modern {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.modern-measurement-input {
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xxl);
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.form-actions .btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 56px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--border-radius-lg);
  transition: all 0.2s ease;
}

.form-actions .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .exercise-form-container {
    padding: var(--spacing-md);
  }
  
  .form-section {
    padding: var(--spacing-lg);
  }
  
  .measurement-types-grid-modern {
    grid-template-columns: 1fr;
  }
  
  .measurement-inputs-modern {
    grid-template-columns: 1fr;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .section-title {
    font-size: var(--font-size-lg);
  }

  /* Exercise Log Mobile Optimizations */
  .exercise-log {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
  }

  .exercise-info {
    width: 100%;
  }

  .exercise-info h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    word-break: break-word;
  }

  .editable-measurements {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
    width: 100%;
  }

  .editable-sets,
  .editable-reps,
  .editable-load,
  .editable-distance,
  .editable-duration,
  .editable-calories {
    min-width: 120px;
    width: 100%;
    max-width: none;
    justify-content: flex-start;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
  }

  .edit-input {
    width: 100%;
    max-width: 200px;
    min-height: 48px;
    font-size: var(--font-size-base);
    padding: var(--spacing-md);
  }

  .exercise-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .exercise-actions .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
  }

  .exercise-status {
    width: 100%;
    text-align: center;
  }

  .completed-badge,
  .pending-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
  }

  /* Table responsiveness improvements */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--border-radius-md);
    margin: 0 -var(--spacing-md);
    padding: 0 var(--spacing-md);
  }

  /* Training details mobile optimization */
  .training-exercise-logs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }

  /* Dashboard mobile improvements */
  .dashboard-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .dashboard-section {
    grid-template-columns: 1fr;
  }

  /* Filter groups stacking */
  .filter-groups,
  .exercise-filters {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }

  .filter-group {
    width: 100%;
  }

  .filter-group .btn {
    flex: 1;
    min-height: 44px;
  }

  /* Card improvements */
  .card-content {
    padding: var(--spacing-lg);
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  /* Button improvements for touch */
  .btn-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .btn-group .btn {
    width: 100%;
    min-height: 48px;
  }

  /* Navigation improvements for mobile */
  .main-nav {
    display: none;
  }

  /* Content padding adjustment for mobile nav */
  .main-content {
    padding-bottom: calc(80px + var(--spacing-lg));
  }

  /* Touch target improvements for mobile */
  .btn-sm {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  /* Ensure all interactive elements meet touch targets */
  .measurement-type-card {
    min-height: 60px;
  }

  .measurement-card-content {
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: 60px;
  }

  /* Improve tag buttons for mobile */
  .tag {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  /* Exercise list improvements */
  .exercise-item {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
  }

  .exercise-item h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
  }

  /* Training list improvements */
  .training-item {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
  }

  /* Improve dropdown touch targets */
  .dropdown-item {
    min-height: 44px;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
  }
}

/* ==========================================================================
   Analytics Dashboard Styles
   ========================================================================== */

.analytics-dashboard {
  padding: var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Analytics Filters */
.analytics-filters {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.filter-form {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
}

/* Analytics Overview */
.analytics-overview {
  margin-bottom: var(--spacing-xl);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-card.primary {
  border-left: 4px solid var(--color-primary);
}

.stat-card.success {
  border-left: 4px solid var(--color-success);
}

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

.stat-card.info {
  border-left: 4px solid var(--color-info);
}

.stat-card.danger {
  border-left: 4px solid var(--color-danger);
}

.stat-card.secondary {
  border-left: 4px solid var(--color-secondary);
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
}

.stat-card.success .stat-icon {
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
}

.stat-card.warning .stat-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.stat-card.info .stat-icon {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-info);
}

.stat-card.danger .stat-icon {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.stat-card.secondary .stat-icon {
  background: rgba(107, 114, 128, 0.1);
  color: var(--color-secondary);
}

.icon-lg {
  width: 24px;
  height: 24px;
}

.icon-md {
  width: 20px;
  height: 20px;
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Analytics Content Grid */
.analytics-content {
  margin-bottom: var(--spacing-xl);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.analytics-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  min-height: 300px;
}

.card-header {
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-md);
}

.card-header h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.card-header p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 250px;
  width: 100%;
}

.chart-container canvas {
  max-height: 100%;
}

/* Exercise List */
.exercise-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.exercise-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-light);
  border-radius: var(--border-radius-md);
  transition: background-color 0.2s ease;
}

.exercise-item:hover {
  background: var(--color-bg-accent);
}

.exercise-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  flex-shrink: 0;
}

.exercise-details {
  flex: 1;
  min-width: 0;
}

.exercise-name {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.exercise-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.exercise-progress {
  width: 60px;
  height: 4px;
  background: var(--color-bg-light);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--border-radius-full);
  transition: width 0.3s ease;
}

/* Analytics Actions */
.analytics-actions {
  margin-top: var(--spacing-xl);
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.action-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: all 0.2s ease;
}

.action-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  color: var(--color-text-primary);
  border-color: var(--color-primary);
}

.action-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  border-radius: var(--border-radius-md);
  flex-shrink: 0;
}

.action-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--color-text-primary);
}

.action-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Mobile Responsiveness for Analytics */
@media (max-width: 768px) {
  .analytics-dashboard {
    padding: var(--spacing-md);
  }
  
  .page-title {
    font-size: var(--font-size-xl);
  }
  
  .page-subtitle {
    font-size: var(--font-size-md);
  }
  
  .filter-form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-group {
    width: 100%;
  }
  
  .stat-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
  }
  
  .stat-card {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-md);
  }
  
  .stat-icon {
    margin-bottom: var(--spacing-sm);
  }
  
  .stat-value {
    font-size: var(--font-size-xl);
  }
  
  .analytics-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .analytics-card {
    min-height: auto;
    padding: var(--spacing-md);
  }
  
  .chart-container {
    height: 200px;
  }
  
  .action-grid {
    grid-template-columns: 1fr;
  }
  
  .action-card {
    padding: var(--spacing-md);
  }
}

/* ==========================================================================
   Authentication Components
   ========================================================================== */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.auth-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xxxl);
  width: 100%;
  max-width: 420px;
  position: relative;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-hover) 100%);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xxxl);
}

.auth-title {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.2;
}

.auth-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.auth-form .form-group {
  margin-bottom: 0;
}

.auth-form .form-field {
  margin-bottom: 0;
}

.auth-form .form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.auth-form .form-input {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  width: 100%;
}

.auth-form .form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
  transform: translateY(-1px);
}

.auth-form .form-input:hover {
  border-color: var(--border-dark);
}

.auth-form .form-error {
  color: var(--danger);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.auth-actions {
  margin-top: var(--spacing-lg);
}

.auth-actions .btn {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
}

.auth-actions .btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  border: none;
  box-shadow: var(--shadow-md);
}

.auth-actions .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.auth-actions .btn-primary:active {
  transform: translateY(0);
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-xxxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-light);
}

.auth-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.auth-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Auth Responsive Design */
@media (max-width: 768px) {
  .auth-container {
    padding: var(--spacing-md);
    min-height: 100vh;
    background: var(--bg-primary);
  }
  
  .auth-card {
    padding: var(--spacing-xxl);
    box-shadow: none;
    border: none;
    border-radius: 0;
    max-width: none;
    width: 100%;
  }
  
  .auth-card::before {
    display: none;
  }
  
  .auth-title {
    font-size: var(--font-size-xxl);
  }
  
  .auth-header {
    margin-bottom: var(--spacing-xxl);
  }
  
  .auth-form {
    gap: var(--spacing-lg);
  }
  
  .auth-form .form-input {
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
  }
  
  .auth-actions .btn {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
    min-height: 52px;
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: var(--spacing-sm);
  }
  
  .auth-card {
    padding: var(--spacing-xl);
  }
  
  .auth-title {
    font-size: var(--font-size-xl);
  }
  
  .auth-subtitle {
    font-size: var(--font-size-sm);
  }
}

/* Dark Theme Adjustments */
[data-theme="dark"] .auth-container {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

[data-theme="dark"] .auth-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .auth-form .form-input {
  background: var(--bg-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .auth-form .form-input:focus {
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

[data-theme="dark"] .auth-footer {
  border-top-color: var(--border-color);
}

@media (max-width: 768px) {
  [data-theme="dark"] .auth-container {
    background: var(--bg-primary);
  }
}

/* ==========================================================================
   Dashboard Components
   ========================================================================== */

.dashboard-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xxxl);
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--border-light);
}

.welcome-section {
  flex: 1;
}

.dashboard-title {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.2;
}

.dashboard-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.dashboard-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Dashboard Stats Grid */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxxl);
}

/* Enhanced Stat Cards */
.stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transition: height var(--transition-fast);
}

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

.stat-card:hover::before {
  height: 4px;
}

.stat-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-accent);
  color: var(--primary);
}

.stat-card__content {
  flex: 1;
  min-width: 0;
}

.stat-card__value {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs);
  line-height: 1;
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin: 0 0 var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-card__action {
  color: var(--primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.stat-card__action:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Stat Card Variants */
.stat-card--primary::before {
  background: var(--primary);
}

.stat-card--primary .stat-card__icon {
  background: rgba(0, 123, 255, 0.1);
  color: var(--primary);
}

.stat-card--success::before {
  background: var(--success);
}

.stat-card--success .stat-card__icon {
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
}

.stat-card--info::before {
  background: #17a2b8;
}

.stat-card--info .stat-card__icon {
  background: rgba(23, 162, 184, 0.1);
  color: #17a2b8;
}

.stat-card--warning::before {
  background: var(--warning);
}

.stat-card--warning .stat-card__icon {
  background: rgba(255, 193, 7, 0.1);
  color: var(--warning);
}

.stat-card--accent::before {
  background: #6f42c1;
}

.stat-card--accent .stat-card__icon {
  background: rgba(111, 66, 193, 0.1);
  color: #6f42c1;
}

/* Dashboard Layout */
.dashboard-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxxl);
  margin-bottom: var(--spacing-xxxl);
}

.dashboard-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxxl);
}

.dashboard-section {
  display: flex;
  flex-direction: column;
}

.section-header {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs);
  line-height: 1.3;
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

/* Quick Actions Grid */
.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.quick-action-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.quick-action-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.quick-action-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: inherit;
}

.quick-action-card:hover::before {
  transform: scaleX(1);
}

.quick-action-card__icon {
  margin: 0 auto var(--spacing-lg);
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-accent);
  color: var(--primary);
  transition: all var(--transition-fast);
}

.quick-action-card:hover .quick-action-card__icon {
  transform: scale(1.1);
}

.quick-action-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.3;
}

.quick-action-card__description {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

/* Quick Action Card Variants */
.quick-action-card--primary::before {
  background: var(--primary);
}

.quick-action-card--primary .quick-action-card__icon {
  background: rgba(0, 123, 255, 0.1);
  color: var(--primary);
}

.quick-action-card--success::before {
  background: var(--success);
}

.quick-action-card--success .quick-action-card__icon {
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
}

.quick-action-card--info::before {
  background: #17a2b8;
}

.quick-action-card--info .quick-action-card__icon {
  background: rgba(23, 162, 184, 0.1);
  color: #17a2b8;
}

.quick-action-card--warning::before {
  background: var(--warning);
}

.quick-action-card--warning .quick-action-card__icon {
  background: rgba(255, 193, 7, 0.1);
  color: var(--warning);
}

/* Dashboard Responsive Design */
@media (max-width: 1024px) {
  .dashboard-stats {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .dashboard-main,
  .dashboard-bottom {
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
  }
}

@media (max-width: 768px) {
  .dashboard-container {
    padding: var(--spacing-md);
  }
  
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    padding: var(--spacing-lg) 0;
  }
  
  .dashboard-title {
    font-size: var(--font-size-xxl);
  }
  
  .dashboard-subtitle {
    font-size: var(--font-size-base);
  }
  
  .dashboard-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .dashboard-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xxl);
  }
  
  .stat-card {
    padding: var(--spacing-lg);
  }
  
  .stat-card__icon {
    width: 40px;
    height: 40px;
  }
  
  .stat-card__value {
    font-size: var(--font-size-xxl);
  }
  
  .quick-actions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .quick-action-card {
    padding: var(--spacing-lg);
  }
  
  .quick-action-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 480px) {
  .dashboard-container {
    padding: var(--spacing-sm);
  }
  
  .dashboard-header {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
  }
  
  .dashboard-title {
    font-size: var(--font-size-xl);
  }
  
  .dashboard-stats {
    margin-bottom: var(--spacing-lg);
  }
  
  .stat-card {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-action-card__title {
    font-size: var(--font-size-base);
  }
  
  .quick-action-card__description {
    font-size: var(--font-size-xs);
  }
}

/* Dark Theme Adjustments */
[data-theme="dark"] .stat-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .quick-action-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .dashboard-header {
  border-bottom-color: var(--border-color);
}

/* ==========================================================================
   Personal Records Components
   ========================================================================== */

.records-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.records-header {
  margin-bottom: var(--spacing-xxxl);
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--border-light);
}

.records-title-section {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.records-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-xl);
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.records-title-content {
  flex: 1;
}

.records-title {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.2;
}

.records-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.records-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xxxl);
}

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.section-badge {
  background: var(--bg-accent);
  color: var(--primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* Recent Achievements Section */
.recent-achievements-section {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xxl);
  box-shadow: var(--shadow-sm);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.achievement-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.achievement-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.achievement-card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.achievement-card-content {
  flex: 1;
  min-width: 0;
}

.achievement-exercise {
  margin-bottom: var(--spacing-xs);
}

.achievement-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: color var(--transition-fast);
}

.achievement-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.achievement-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #f59e0b;
  margin-bottom: var(--spacing-xs);
}

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

/* All Records Section */
.all-records-section {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xxl);
  box-shadow: var(--shadow-sm);
}

.records-by-exercise {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xxxl);
}

.exercise-group {
  padding-bottom: var(--spacing-xxl);
  border-bottom: 1px solid var(--border-light);
}

.exercise-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.exercise-header {
  margin-bottom: var(--spacing-xl);
}

.exercise-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.exercise-name {
  margin: 0;
}

.exercise-link {
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.exercise-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.exercise-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.measurement-types-badge {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.favorite-indicator {
  color: #f59e0b;
  display: flex;
  align-items: center;
}

/* Records Grid */
.records-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.record-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.record-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.record-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.record-type {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.record-date {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.record-value {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.record-context {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.record-actions {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

.record-view-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.record-view-btn:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Record Detail Page */
.record-detail-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.record-detail-header {
  margin-bottom: var(--spacing-xxxl);
  padding: var(--spacing-xxl) 0;
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb-nav {
  margin-bottom: var(--spacing-lg);
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.record-title-section {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.record-detail-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-xl);
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.record-title-content {
  flex: 1;
}

.record-detail-title {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
  line-height: 1.2;
}

.record-detail-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.record-detail-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-xxxl);
}

/* Record Details Card */
.record-details-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.record-details-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.detail-item {
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
}

.detail-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.detail-value-row {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.primary-value {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.secondary-value {
  font-size: var(--font-size-base);
  color: var(--text-muted);
}

.detail-context {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-style: italic;
}

.detail-badges {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.measurement-badge {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.favorite-badge {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

/* Sidebar */
.record-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.context-card,
.actions-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.context-sections {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.context-item {
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
}

.context-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.context-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.context-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.training-link {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.training-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.context-badges {
  margin-top: var(--spacing-xs);
}

.status-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-planned {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.status-in_progress {
  background: rgba(0, 123, 255, 0.1);
  color: var(--primary);
}

.status-completed {
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
}

.context-notes {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-md);
}

.notes-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.notes-content {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

.performance-improvements {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.improvement-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: all var(--transition-fast);
  width: 100%;
}

.action-btn--primary {
  background: var(--primary);
  color: white;
  border: 1px solid var(--primary);
}

.action-btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  text-decoration: none;
  color: white;
}

.action-btn--secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.action-btn--secondary:hover {
  background: var(--bg-tertiary);
  text-decoration: none;
  color: var(--text-primary);
}

.action-btn--danger {
  background: var(--danger);
  color: white;
  border: 1px solid var(--danger);
}

.action-btn--danger:hover {
  background: #c82333;
  border-color: #c82333;
  text-decoration: none;
  color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .record-detail-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
  }
  
  .achievements-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .records-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .records-container,
  .record-detail-container {
    padding: var(--spacing-md);
  }
  
  .records-header,
  .record-detail-header {
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-xxl);
  }
  
  .records-title-section,
  .record-title-section {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .records-icon,
  .record-detail-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto;
  }
  
  .records-title,
  .record-detail-title {
    font-size: var(--font-size-xxl);
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .exercise-info {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .achievements-grid {
    grid-template-columns: 1fr;
  }
  
  .records-grid {
    grid-template-columns: 1fr;
  }
  
  .achievement-card {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .achievement-card-icon {
    margin: 0 auto;
  }
  
  .record-card {
    padding: var(--spacing-md);
  }
  
  .primary-value {
    font-size: var(--font-size-xxl);
  }
}

@media (max-width: 480px) {
  .records-container,
  .record-detail-container {
    padding: var(--spacing-sm);
  }
  
  .recent-achievements-section,
  .all-records-section,
  .record-details-card,
  .context-card,
  .actions-card {
    padding: var(--spacing-lg);
  }
  
  .records-title,
  .record-detail-title {
    font-size: var(--font-size-xl);
  }
  
  .section-title {
    font-size: var(--font-size-lg);
  }
  
  .achievement-value {
    font-size: var(--font-size-base);
  }
  
  .record-value {
    font-size: var(--font-size-lg);
  }
  
  .primary-value {
    font-size: var(--font-size-xl);
  }
}

/* Dark Theme Adjustments */
[data-theme="dark"] .records-header,
[data-theme="dark"] .record-detail-header {
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .recent-achievements-section,
[data-theme="dark"] .all-records-section,
[data-theme="dark"] .record-details-card,
[data-theme="dark"] .context-card,
[data-theme="dark"] .actions-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .achievement-card,
[data-theme="dark"] .record-card {
  background: var(--bg-primary);
  border-color: var(--border-color);
}

[data-theme="dark"] .exercise-group {
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .detail-item,
[data-theme="dark"] .context-item {
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .record-header,
[data-theme="dark"] .record-actions {
  border-color: var(--border-color);
}

[data-theme="dark"] .context-notes {
  background: var(--bg-tertiary);
}