/**
 * Interacto - Styles de Base
 * Variables, reset, boutons, formulaires et composants partagés
 */

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

:root {
  /* Couleurs principales */
  --color-bg-dark: #0a0e27;
  --color-bg-darker: #050812;
  --color-bg-light: #1a1e37;

  /* Couleurs des choix */
  --color-choice-a: #FF5565;
  --color-choice-b: #D946EF;
  --color-choice-c: #3B9AEF;
  --color-choice-d: #4BCE97;

  /* Couleurs UI */
  --color-text: #FFFFFF;
  --color-text-secondary: #B4B8D0;
  --color-border: #2a2e47;
  --color-success: #4BCE97;
  --color-error: #FF5565;

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

  /* Bordures */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition: 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========================================
   ÉCRAN DE CONNEXION
======================================== */

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.login-container {
  width: 100%;
  max-width: 400px;
  background: var(--color-bg-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.login-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

.spectator-link {
  text-align: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.spectator-link a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

/* ========================================
   FORMULAIRES
======================================== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-input,
input[type="text"],
input[type="password"],
input[type="url"],
textarea {
  padding: var(--spacing-md);
  background: var(--color-bg-dark);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  font-family: inherit;
  width: 100%;
  transition: all var(--transition);
}

.form-input:focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-choice-a);
  background: rgba(255, 85, 101, 0.05);
  box-shadow: 0 0 0 3px rgba(255, 85, 101, 0.1);
}

.form-input::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.select-input,
select {
  width: 100%;
  padding: var(--spacing-md);
  padding-right: 2.5rem;
  background: var(--color-bg-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23B4B8D0' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.select-input:hover,
select:hover {
  border-color: rgba(180, 184, 208, 0.5);
  background-color: rgba(26, 30, 55, 0.8);
}

.select-input:focus,
select:focus {
  outline: none;
  border-color: var(--color-choice-a);
  background-color: rgba(255, 85, 101, 0.05);
  box-shadow: 0 0 0 3px rgba(255, 85, 101, 0.1);
}

.select-input option,
select option {
  background: var(--color-bg-dark);
  color: var(--color-text);
  padding: var(--spacing-sm);
}

/* ========================================
   BOUTONS
======================================== */

.btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-choice-a);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 85, 101, 0.4);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-choice-a), #ff3d50);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff3d50, var(--color-choice-a));
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-choice-c), #2b7fcf);
  color: white;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #2b7fcf, var(--color-choice-c));
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.btn-warning:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

/* Tailles de boutons */
.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9rem;
  min-width: 60px;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 1.2rem;
  min-width: 200px;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-delete {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-error);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-delete:hover {
  background: #ff3344;
}

/* ========================================
   MESSAGES D'ERREUR
======================================== */

.error-message {
  padding: var(--spacing-md);
  background: rgba(255, 85, 101, 0.2);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  color: var(--color-error);
  text-align: center;
}

.error-message.hidden {
  display: none;
}

/* ========================================
   BARRE DE PROGRESSION
======================================== */

.progress-container {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.progress-container.hidden {
  display: none;
}

.progress-label {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-choice-a);
  transition: width var(--transition);
  width: 0%;
}

.progress-percentage {
  text-align: right;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-choice-a);
}

/* ========================================
   ANIMATIONS
======================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========================================
   ACTION TOOLBAR (Super-Admin)
======================================== */

.action-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.action-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-group-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.25rem;
}

.action-group-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Boutons avec icônes et gradients */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-icon:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-icon:active {
  transform: translateY(0);
}

.btn-add {
  background: linear-gradient(135deg, var(--color-choice-a), #ff3d50);
  color: white;
}

.btn-add:hover {
  box-shadow: 0 6px 20px rgba(255, 85, 101, 0.4);
}

.btn-music {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.btn-music:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-timeline {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  color: white;
}

.btn-timeline:hover {
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-quiz {
  background: linear-gradient(135deg, #ffd700, #f59e0b);
  color: #1a1a2e;
}

.btn-quiz:hover {
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-stats {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
}

.btn-stats:hover {
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* ========================================
   UTILITAIRES
======================================== */

.hidden {
  display: none !important;
}

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

/* Visually hidden but accessible to screen readers */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link for keyboard navigation */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-choice-a);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 1000;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
}

/* ========================================
   RESPONSIVE - ACTION TOOLBAR
======================================== */

@media (max-width: 768px) {
  .action-toolbar {
    flex-direction: column;
    gap: 1rem;
  }

  .action-group {
    width: 100%;
  }

  .action-group-buttons {
    flex-direction: column;
  }

  .btn-icon {
    width: 100%;
    justify-content: center;
  }
}

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

@media print {
  .btn, .admin-footer, .player-footer, .footer-main {
    display: none;
  }
}