/* Phase 14 Week 3: UI磨き - テーマシステム */

:root {
  /* Light Theme (Default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --border-color: #dee2e6;
  --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  
  /* Brand Colors */
  --primary: #0d6efd;
  --primary-hover: #0b5ed7;
  --success: #198754;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #0dcaf0;
  
  /* Status Colors */
  --status-authenticated: #198754;
  --status-saved: #ffc107;
  --status-not-saved: #6c757d;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #404040;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #808080;
  --border-color: #404040;
  --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.4);
  
  /* Dark theme adjustments */
  --primary: #4dabf7;
  --primary-hover: #339af0;
  --success: #51cf66;
  --warning: #ffd43b;
  --danger: #ff6b6b;
  --info: #74c0fc;
}

/* Base Styles */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Card Styles */
.card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: all var(--transition-normal);
}

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

/* Button Styles */
.btn {
  transition: all var(--transition-fast);
}

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

/* Status Badges */
.badge {
  transition: all var(--transition-fast);
}

.badge.bg-success {
  background-color: var(--status-authenticated) !important;
}

.badge.bg-warning {
  background-color: var(--status-saved) !important;
}

.badge.bg-secondary {
  background-color: var(--status-not-saved) !important;
}

/* Navigation */
.navbar {
  background-color: var(--bg-primary) !important;
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand,
.navbar-text {
  color: var(--text-primary) !important;
}

/* Form Controls */
.form-control,
.form-select {
  background-color: var(--bg-primary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--bg-primary);
  border-color: var(--primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Tables */
.table {
  color: var(--text-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > td,
.table-striped > tbody > tr:nth-of-type(odd) > th {
  background-color: var(--bg-secondary);
}

/* Charts */
.chart-container {
  background-color: var(--bg-primary);
  border-radius: 0.375rem;
  padding: 1rem;
  box-shadow: var(--shadow);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.fade-in {
  animation: fadeIn var(--transition-normal);
}

.slide-in {
  animation: slideIn var(--transition-normal);
}

.pulse {
  animation: pulse 2s infinite;
}

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Responsive Design */
@media (max-width: 768px) {
  .card {
    margin-bottom: 1rem;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .btn-group .btn {
    border-radius: 0.375rem !important;
    margin-bottom: 0.25rem;
  }
}

@media (max-width: 576px) {
  .container-fluid {
    padding: 0.5rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .table-responsive {
    font-size: 0.875rem;
  }
}

/* Dark theme specific adjustments */
[data-theme="dark"] .loading::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

[data-theme="dark"] .chart-container {
  background-color: var(--bg-secondary);
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1050;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow);
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.theme-toggle i {
  font-size: 1.2rem;
  color: var(--text-primary);
}