/**
 * West-Vlaams Audio Recording Web App - Styles
 *
 * Clean, modern design optimized for recording workflow
 * Responsive design for desktop and mobile
 */

/* ============================================================================
   CSS VARIABLES
   ============================================================================ */

:root {
  /* Colors - Dark mode palette */
  --primary-color: #7dd3fc;       /* Light blue accent */
  --primary-dark: #38bdf8;
  --primary-light: #bae6fd;

  --success-color: #22c55e;
  --success-dark: #16a34a;

  --danger-color: #ef4444;
  --danger-dark: #dc2626;

  --warning-color: #f59e0b;
  --warning-dark: #d97706;

  --info-color: #3b82f6;

  /* Dark mode neutrals (inverted) */
  --gray-50: #1a1a2e;
  --gray-100: #16213e;
  --gray-200: #0f3460;
  --gray-300: #1e3a5f;
  --gray-400: #64748b;
  --gray-500: #94a3b8;
  --gray-600: #cbd5e1;
  --gray-700: #e2e8f0;
  --gray-800: #f1f5f9;
  --gray-900: #f8fafc;

  /* Background colors */
  --bg-body: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --bg-container: #16213e;
  --bg-card: #1a1a2e;
  --border-color: #0f3460;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--bg-body);
  min-height: 100vh;
  padding: var(--spacing-md);
}

/* ============================================================================
   CONTAINER & LAYOUT
   ============================================================================ */

.container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-container);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-height: 600px;
  display: flex;
  flex-direction: column;
}

/* ============================================================================
   HEADER
   ============================================================================ */

header {
  background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%);
  color: white;
  padding: var(--spacing-lg);
  text-align: center;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

header .subtitle {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.progress-fill {
  height: 100%;
  background: var(--success-color);
  transition: width var(--transition-slow);
  border-radius: 999px;
}

.progress-text {
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0.95;
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */

main {
  flex: 1;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Word Display */
.word-display {
  text-align: center;
  padding: var(--spacing-lg);
}

.word-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.word-card:hover {
  border-color: #7dd3fc;
  box-shadow: var(--shadow-md);
}

.word-wvl-container,
.word-nl-container {
  margin-bottom: var(--spacing-md);
}

.word-wvl-container:last-child,
.word-nl-container:last-child {
  margin-bottom: 0;
}

.label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #888;
  margin-bottom: var(--spacing-xs);
}

.word-wvl {
  font-size: 2.5rem;
  font-weight: 700;
  color: #7dd3fc;
  margin: 0;
  line-height: 1.2;
}

.word-nl {
  font-size: 1.25rem;
  color: #cbd5e1;
  margin: 0;
}

/* Controls */
.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.playback-container {
  width: 100%;
  max-width: 400px;
}

.playback-container audio {
  width: 100%;
  border-radius: var(--radius-md);
}

/* Actions */
.actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:not(:disabled):active {
  transform: translateY(0);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  min-width: 200px;
}

/* Button Variants */
.btn-primary {
  background: #005691;
  color: white;
}

.btn-primary:not(:disabled):hover {
  background: #0077c8;
}

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

.btn-success:not(:disabled):hover {
  background: var(--success-dark);
}

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

.btn-danger:not(:disabled):hover {
  background: var(--danger-dark);
}

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

.btn-warning:not(:disabled):hover {
  background: var(--warning-dark);
}

/* Recording Animation */
.btn.recording {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
  }
}

/* Button Icon */
.btn-icon {
  font-size: 1.25em;
}

/* ============================================================================
   STATUS MESSAGES
   ============================================================================ */

.status-message {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  animation: slideIn var(--transition-normal);
}

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

.status-info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info-color);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.status-success {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success-dark);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.status-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-dark);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-dark);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================================================
   FOOTER
   ============================================================================ */

footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-md);
  text-align: center;
}

.footer-links {
  margin-bottom: var(--spacing-xs);
}

.footer-link {
  color: #7dd3fc;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #e94560;
  text-decoration: underline;
}

.separator {
  margin: 0 var(--spacing-sm);
  color: #525252;
}

.footer-text {
  font-size: 0.875rem;
  color: #888;
}

/* ============================================================================
   LOADING OVERLAY
   ============================================================================ */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  z-index: 9999;
  color: white;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================================================
   ADMIN DASHBOARD STYLES - DARK MODE
   ============================================================================ */

/* Dark mode for admin pages */
body:has(.admin-container) {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #eee;
}

body:has(.admin-container) .container {
  background: #16213e;
}

body:has(.admin-container) header {
  background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%);
}

body:has(.admin-container) .stat-card {
  background: #1a1a2e;
  border-color: #0f3460;
}

body:has(.admin-container) .stat-card .stat-value {
  color: #7dd3fc;
}

body:has(.admin-container) .stat-card .stat-label {
  color: #888;
}

body:has(.admin-container) .filter-section {
  background: #1a1a2e !important;
  border-color: #0f3460 !important;
}

body:has(.admin-container) .recording-card {
  background: #1a1a2e;
  border-color: #0f3460;
}

body:has(.admin-container) .recording-card:hover {
  border-color: #e94560;
}

body:has(.admin-container) .recording-card h3 {
  color: #7dd3fc;
}

body:has(.admin-container) .recording-card .meta {
  color: #888;
}

body:has(.admin-container) footer {
  background: #1a1a2e;
  border-color: #0f3460;
}

body:has(.admin-container) .footer-link {
  color: #7dd3fc;
}

body:has(.admin-container) .footer-link:hover {
  color: #e94560;
}

body:has(.admin-container) .footer-text {
  color: #888;
}

body:has(.admin-container) .separator {
  color: #525252;
}

body:has(.admin-container) .btn {
  background: #0f3460;
  color: #fff;
}

body:has(.admin-container) .btn:hover {
  background: #1a4a7a;
}

body:has(.admin-container) .btn-primary {
  background: #e94560;
}

body:has(.admin-container) .btn-primary:hover {
  background: #ff6b6b;
}

body:has(.admin-container) .btn-success {
  background: #166534;
}

body:has(.admin-container) .btn-danger {
  background: #991b1b;
}

body:has(.admin-container) h2 {
  color: #eee !important;
}

body:has(.admin-container) select {
  background: #1a1a2e;
  color: #eee;
  border: 1px solid #0f3460;
}

body:has(.admin-container) #empty-state p,
body:has(.admin-container) #loading-state p {
  color: #888 !important;
}

.admin-container {
  max-width: 1200px;
}

.recordings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.recording-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-normal);
}

.recording-card:hover {
  border-color: #e94560;
  box-shadow: var(--shadow-md);
}

.recording-card h3 {
  color: #7dd3fc;
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.recording-card audio {
  width: 100%;
  margin: var(--spacing-sm) 0;
}

.recording-card .actions {
  margin-top: var(--spacing-md);
  gap: var(--spacing-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: #7dd3fc;
  margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
  font-size: 0.875rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
  body {
    padding: 0;
  }

  .container {
    border-radius: 0;
    min-height: 100vh;
  }

  header h1 {
    font-size: 1.5rem;
  }

  main {
    padding: var(--spacing-md);
  }

  .word-wvl {
    font-size: 2rem;
  }

  .word-nl {
    font-size: 1rem;
  }

  .actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .recordings-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  .loading-overlay,
  .controls,
  .actions,
  footer {
    display: none !important;
  }
}