/* ============================================
   PermisXP — components.css
   Composants UI réutilisables
   ============================================ */

/* ============================================
   1. CARD
   ============================================ */
.card {
  background:    var(--color-card);
  border-radius: var(--radius-md);
  padding:       14px 16px;
  border:        0.5px solid var(--color-border);
  transition:    background var(--transition-fast),
                 border-color var(--transition-fast);
}

.card-hover:hover,
.card-hover:active {
  background:    var(--color-card-hover);
  border-color:  var(--color-primary);
}

.card-flat {
  border: none;
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

/* ============================================
   2. BOUTONS
   ============================================ */

/* Primaire */
.btn-primary {
  display:         flex;
  align-items:     center;
  justify-content: center;
  gap:             8px;
  width:           100%;
  padding:         14px;
  background:      var(--color-primary);
  color:           #ffffff;
  font-size:       14px;
  font-weight:     600;
  border-radius:   var(--radius-full);
  border:          none;
  cursor:          pointer;
  transition:      background var(--transition-fast),
                   transform var(--transition-fast),
                   box-shadow var(--transition-fast);
  user-select:     none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary:hover {
  background:  var(--color-primary-dark);
  box-shadow:  var(--shadow-glow-primary);
}

.btn-primary:active {
  transform:  scale(0.97);
  background: var(--color-primary-dark);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor:  not-allowed;
  transform: none;
}

/* Secondaire */
.btn-secondary {
  display:         flex;
  align-items:     center;
  justify-content: center;
  gap:             8px;
  width:           100%;
  padding:         14px;
  background:      transparent;
  color:           var(--color-text);
  font-size:       14px;
  font-weight:     500;
  border-radius:   var(--radius-full);
  border:          0.5px solid var(--color-border);
  cursor:          pointer;
  transition:      background var(--transition-fast),
                   border-color var(--transition-fast),
                   transform var(--transition-fast);
  user-select:     none;
  -webkit-tap-highlight-color: transparent;
}

.btn-secondary:hover {
  background:   var(--color-card-hover);
  border-color: var(--color-text-muted);
}

.btn-secondary:active {
  transform: scale(0.97);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor:  not-allowed;
}

/* Icône seule */
.btn-icon {
  display:         flex;
  align-items:     center;
  justify-content: center;
  width:           40px;
  height:          40px;
  border-radius:   var(--radius-full);
  background:      transparent;
  border:          none;
  cursor:          pointer;
  color:           var(--color-text-muted);
  transition:      color var(--transition-fast),
                   background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-icon:hover,
.btn-icon:active {
  color:      var(--color-text);
  background: var(--color-card);
}

/* ============================================
   3. CHAMPS DE SAISIE
   ============================================ */
.input-field {
  width:         100%;
  padding:       14px 16px;
  background:    var(--color-card);
  color:         var(--color-text);
  font-size:     var(--font-size-base);
  border:        0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  outline:       none;
  transition:    border-color var(--transition-fast),
                 box-shadow var(--transition-fast);
  -webkit-appearance: none;
}

.input-field::placeholder {
  color: var(--color-text-hint);
}

.input-field:focus {
  border-color: var(--color-primary);
  box-shadow:   0 0 0 3px rgba(127, 119, 221, 0.15);
}

.input-field.error {
  border-color: var(--color-danger);
  box-shadow:   0 0 0 3px rgba(163, 45, 45, 0.15);
}

.input-label {
  display:       block;
  font-size:     var(--font-size-sm);
  font-weight:   600;
  color:         var(--color-text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

/* ============================================
   4. XP BAR
   ============================================ */
.xp-bar {
  width:         100%;
  height:        6px;
  background:    var(--color-border);
  border-radius: var(--radius-full);
  overflow:      hidden;
}

.xp-bar-fill {
  height:           100%;
  background:       linear-gradient(90deg, var(--color-primary), #a89cf7);
  border-radius:    var(--radius-full);
  transition:       width 600ms cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left center;
}

@keyframes xp-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(127, 119, 221, 0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(127, 119, 221, 0); }
  100% { box-shadow: 0 0 0 0 rgba(127, 119, 221, 0); }
}

.xp-bar-fill.level-up {
  animation: xp-pulse 600ms ease-out;
}

/* ============================================
   5. BADGE ICON
   ============================================ */
.badge-icon {
  display:         flex;
  align-items:     center;
  justify-content: center;
  width:           48px;
  height:          48px;
  border-radius:   var(--radius-md);
  background:      var(--color-card);
  border:          0.5px solid var(--color-border);
  font-size:       22px;
  flex-shrink:     0;
}

.badge-icon.earned {
  background: rgba(127, 119, 221, 0.12);
  border-color: var(--color-primary);
}

.badge-icon.locked {
  opacity: 0.35;
  filter:  grayscale(1);
}

/* Badge dans une liste */
.badge-item {
  display:     flex;
  align-items: center;
  gap:         12px;
}

.badge-item-info {
  flex: 1;
  min-width: 0;
}

.badge-item-name {
  font-size:   var(--font-size-base);
  font-weight: 600;
  white-space: nowrap;
  overflow:    hidden;
  text-overflow: ellipsis;
}

.badge-item-desc {
  font-size: var(--font-size-sm);
  color:     var(--color-text-muted);
  margin-top: 2px;
}

/* ============================================
   6. STREAK FLAME
   ============================================ */
.streak-flame {
  display:     flex;
  align-items: center;
  gap:         4px;
  font-size:   var(--font-size-sm);
  font-weight: 700;
  color:       var(--color-gold);
}

.streak-flame svg {
  width:  20px;
  height: 20px;
  fill:   var(--color-gold);
  filter: drop-shadow(0 0 4px rgba(250, 204, 21, 0.5));
}

.streak-flame.inactive svg {
  fill:   var(--color-text-hint);
  filter: none;
}

.streak-flame.inactive {
  color: var(--color-text-hint);
}

/* ============================================
   7. AVATAR
   ============================================ */
.avatar {
  display:         flex;
  align-items:     center;
  justify-content: center;
  width:           40px;
  height:          40px;
  border-radius:   var(--radius-full);
  background:      var(--color-primary);
  color:           #ffffff;
  font-size:       var(--font-size-sm);
  font-weight:     700;
  text-transform:  uppercase;
  flex-shrink:     0;
  user-select:     none;
}

.avatar-lg {
  width:     64px;
  height:    64px;
  font-size: var(--font-size-xl);
}

.avatar-sm {
  width:     32px;
  height:    32px;
  font-size: var(--font-size-xs);
}

/* ============================================
   8. PROGRESS RING (barre linéaire animée)
   ============================================ */
.progress-ring {
  width:         100%;
  height:        8px;
  background:    var(--color-border);
  border-radius: var(--radius-full);
  overflow:      hidden;
}

.progress-ring-fill {
  height:        100%;
  border-radius: var(--radius-full);
  transition:    width 800ms cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-ring-fill.primary  { background: var(--color-primary); }
.progress-ring-fill.success  { background: var(--color-success); }
.progress-ring-fill.gold     { background: var(--color-gold); }
.progress-ring-fill.danger   { background: var(--color-danger); }

/* ============================================
   9. ANSWER BUTTON (QCM)
   ============================================ */
.answer-btn {
  display:       flex;
  align-items:   center;
  gap:           12px;
  width:         100%;
  padding:       14px 16px;
  background:    var(--color-card);
  border:        1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color:         var(--color-text);
  font-size:     var(--font-size-base);
  font-weight:   400;
  text-align:    left;
  cursor:        pointer;
  transition:    background var(--transition-fast),
                 border-color var(--transition-fast),
                 transform var(--transition-fast);
  user-select:   none;
  -webkit-tap-highlight-color: transparent;
  line-height:   1.4;
}

.answer-btn:hover:not(:disabled),
.answer-btn:active:not(:disabled) {
  background:    var(--color-card-hover);
  border-color:  var(--color-primary);
}

.answer-btn:active:not(:disabled) {
  transform: scale(0.98);
}

/* Lettre de choix (A, B, C, D) */
.answer-btn-letter {
  display:         flex;
  align-items:     center;
  justify-content: center;
  min-width:       28px;
  height:          28px;
  border-radius:   var(--radius-sm);
  background:      var(--color-border);
  font-size:       var(--font-size-sm);
  font-weight:     700;
  text-transform:  uppercase;
  flex-shrink:     0;
  transition:      background var(--transition-fast),
                   color var(--transition-fast);
}

/* État : sélectionné (avant correction) */
.answer-btn.selected {
  border-color: var(--color-primary);
  background:   rgba(127, 119, 221, 0.1);
}

.answer-btn.selected .answer-btn-letter {
  background: var(--color-primary);
  color:      #ffffff;
}

/* État : bonne réponse */
.answer-btn.correct {
  border-color: var(--color-success);
  background:   rgba(29, 158, 117, 0.12);
}

.answer-btn.correct .answer-btn-letter {
  background: var(--color-success);
  color:      #ffffff;
}

/* État : mauvaise réponse */
.answer-btn.wrong {
  border-color: var(--color-danger);
  background:   rgba(163, 45, 45, 0.12);
}

.answer-btn.wrong .answer-btn-letter {
  background: var(--color-danger);
  color:      #ffffff;
}

/* Désactiver après réponse */
.answer-btn:disabled {
  cursor: default;
}

.answer-btn:disabled:not(.correct):not(.wrong):not(.selected) {
  opacity: 0.5;
}

/* Animations de correction */
@keyframes answer-correct-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes answer-wrong-shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

.answer-btn.correct  { animation: answer-correct-pop 350ms ease-out; }
.answer-btn.wrong    { animation: answer-wrong-shake 400ms ease-out; }

/* ============================================
   10. TIMER DISPLAY
   ============================================ */
.timer-display {
  font-size:      var(--font-size-xl);
  font-weight:    800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
  color:          var(--color-text);
  transition:     color var(--transition-base);
  min-width:      56px;
  text-align:     center;
}

.timer-display.warning {
  color: var(--color-gold);
}

.timer-display.danger {
  color: var(--color-danger);
}

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

.timer-display.danger {
  animation: timer-pulse 800ms ease-in-out infinite;
}

/* Barre de progression du timer */
.timer-bar {
  width:         100%;
  height:        4px;
  background:    var(--color-border);
  border-radius: var(--radius-full);
  overflow:      hidden;
}

.timer-bar-fill {
  height:           100%;
  border-radius:    var(--radius-full);
  background:       var(--color-success);
  transition:       width 1s linear, background var(--transition-base);
  transform-origin: left center;
}

.timer-bar-fill.warning { background: var(--color-gold); }
.timer-bar-fill.danger  { background: var(--color-danger); }

/* ============================================
   11. BOTTOM NAVIGATION
   ============================================ */
.bottom-nav {
  position:        fixed;
  bottom:          0;
  left:            50%;
  transform:       translateX(-50%);
  width:           100%;
  max-width:       390px;
  height:          64px;
  background:      var(--color-card);
  border-top:      0.5px solid var(--color-border);
  display:         flex;
  align-items:     center;
  justify-content: space-around;
  padding:         0 8px;
  z-index:         100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-item {
  display:        flex;
  flex-direction: column;
  align-items:    center;
  justify-content: center;
  gap:            3px;
  flex:           1;
  height:         100%;
  cursor:         pointer;
  border:         none;
  background:     transparent;
  color:          var(--color-text-muted);
  transition:     color var(--transition-fast);
  padding:        0;
  -webkit-tap-highlight-color: transparent;
}

.nav-item svg {
  width:  22px;
  height: 22px;
  stroke: currentColor;
  fill:   none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-fast);
}

.nav-item span {
  font-size:   10px;
  font-weight: 500;
  line-height: 1;
}

.nav-item.active {
  color: var(--color-primary);
}

.nav-item.active svg {
  stroke: var(--color-primary);
}

/* Dot d'activité sur l'icône */
.nav-item .nav-dot {
  position: absolute;
  top:      8px;
  right:    calc(50% - 14px);
  width:    6px;
  height:   6px;
  border-radius: var(--radius-full);
  background:    var(--color-danger);
  border:        1.5px solid var(--color-card);
}

.nav-item {
  position: relative;
}

/* ============================================
   12. TOASTS / NOTIFICATIONS
   ============================================ */
.toast {
  position:      fixed;
  top:           20px;
  left:          50%;
  transform:     translateX(-50%) translateY(-80px);
  max-width:     calc(390px - 40px);
  width:         calc(100% - 40px);
  padding:       12px 16px;
  border-radius: var(--radius-md);
  font-size:     var(--font-size-sm);
  font-weight:   500;
  text-align:    center;
  z-index:       200;
  transition:    transform var(--transition-base),
                 opacity var(--transition-base);
  opacity:       0;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity:   1;
}

.toast.success { background: var(--color-success);      color: #ffffff; }
.toast.error   { background: var(--color-danger);       color: #ffffff; }
.toast.info    { background: var(--color-primary);      color: #ffffff; }
.toast.gold    { background: var(--color-gold);         color: #0f0f1a; }

/* ============================================
   13. STAT CARD (accueil, stats)
   ============================================ */
.stat-card {
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  gap:             4px;
  padding:         14px 10px;
  background:      var(--color-card);
  border:          0.5px solid var(--color-border);
  border-radius:   var(--radius-md);
  text-align:      center;
  flex:            1;
}

.stat-card-value {
  font-size:   var(--font-size-xl);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-card-label {
  font-size: var(--font-size-xs);
  color:     var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   14. LEADERBOARD ROW
   ============================================ */
.leaderboard-row {
  display:     flex;
  align-items: center;
  gap:         12px;
  padding:     12px 0;
  border-bottom: 0.5px solid var(--color-border);
}

.leaderboard-row:last-child {
  border-bottom: none;
}

.leaderboard-rank {
  min-width:   28px;
  font-size:   var(--font-size-md);
  font-weight: 800;
  text-align:  center;
  color:       var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.leaderboard-rank.top-1 { color: var(--color-gold); }
.leaderboard-rank.top-2 { color: #C0C0C0; }
.leaderboard-rank.top-3 { color: #CD7F32; }

.leaderboard-row.is-me {
  background:    rgba(127, 119, 221, 0.08);
  border-radius: var(--radius-sm);
  padding:       12px 8px;
  margin:        0 -8px;
}

.leaderboard-info {
  flex: 1;
  min-width: 0;
}

.leaderboard-pseudo {
  font-size:   var(--font-size-base);
  font-weight: 600;
  white-space: nowrap;
  overflow:    hidden;
  text-overflow: ellipsis;
}

.leaderboard-sub {
  font-size: var(--font-size-xs);
  color:     var(--color-text-muted);
  margin-top: 2px;
}

.leaderboard-xp {
  font-size:   var(--font-size-sm);
  font-weight: 700;
  color:       var(--color-primary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ============================================
   15. SKELETON LOADER
   ============================================ */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position:  400px 0; }
}

.skel {
  background: linear-gradient(
    90deg,
    var(--color-border) 25%,
    var(--color-card-hover) 50%,
    var(--color-border) 75%
  );
  background-size: 800px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skel-text   { height: 14px; border-radius: var(--radius-full); }
.skel-title  { height: 20px; border-radius: var(--radius-full); }
.skel-circle { border-radius: var(--radius-full); }
.skel-card   { border-radius: var(--radius-md); }

/* ============================================
   16. GAME MODE CARDS (grille 2x2)
   ============================================ */
.game-modes-grid {
  display:               grid;
  grid-template-columns: 1fr 1fr;
  gap:                   12px;
}

.game-mode-card {
  display:        flex;
  flex-direction: column;
  align-items:    flex-start;
  gap:            8px;
  padding:        16px;
  border-radius:  var(--radius-lg);
  border:         none;
  cursor:         pointer;
  color:          #ffffff;
  text-align:     left;
  min-height:     120px;
  position:       relative;
  overflow:       hidden;
  transition:     transform var(--transition-fast),
                  filter var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  user-select:    none;
}

.game-mode-card::before {
  content:       '';
  position:      absolute;
  inset:         0;
  background:    rgba(0, 0, 0, 0);
  transition:    background var(--transition-fast);
}

.game-mode-card:hover::before,
.game-mode-card:active::before {
  background: rgba(0, 0, 0, 0.12);
}

.game-mode-card:active {
  transform: scale(0.96);
}

.game-mode-icon {
  width:  36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  display:         flex;
  align-items:     center;
  justify-content: center;
  flex-shrink: 0;
}

.game-mode-icon svg {
  width:  20px;
  height: 20px;
  stroke: #ffffff;
  fill:   none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.game-mode-name {
  font-size:   14px;
  font-weight: 700;
  line-height: 1.2;
}

.game-mode-desc {
  font-size:   11px;
  font-weight: 400;
  opacity:     0.8;
  line-height: 1.3;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
  width:  32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

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

.loading-overlay {
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  gap:             var(--spacing-md);
  padding:         var(--spacing-2xl);
  color:           var(--color-text-muted);
  font-size:       var(--font-size-sm);
}