/* ==========================================================================
   LE41 PRO - HORIZONTAL TOP NAVIGATION RIBBON (DÉPLACEMENT DROITE / GAUCHE)
   Barre de navigation supérieure avec défilement fluide, flèches gauche/droite,
   support molette/drag, et synchronisation active instantanée.
   ========================================================================== */

.top-nav-bar {
  position: sticky;
  top: 70px;
  z-index: 950;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.25rem;
  background: rgba(11, 17, 32, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  user-select: none;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="light"] .top-nav-bar {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: rgba(226, 232, 240, 0.8);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

/* Scroll Arrow Navigation Buttons (Déplacer Droite / Gauche) */
.top-nav-arrow,
.top-nav-btn {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  z-index: 5;
}

.top-nav-arrow i {
  width: 17px;
  height: 17px;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.top-nav-arrow:hover:not(:disabled) {
  color: var(--text-main);
  background: var(--bg-card-hover);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
  transform: scale(1.06);
}

.top-nav-arrow:hover:not(:disabled) i {
  color: var(--color-primary);
}

.top-nav-arrow-left:hover:not(:disabled) i {
  transform: translateX(-2px);
}

.top-nav-arrow-right:hover:not(:disabled) i {
  transform: translateX(2px);
}

.top-nav-arrow:active:not(:disabled) {
  transform: scale(0.95);
}

.top-nav-arrow:disabled,
.top-nav-arrow.disabled {
  opacity: 0.28;
  cursor: not-allowed;
  pointer-events: none;
  border-color: transparent;
  box-shadow: none;
}

/* Gradient Fade Masks on Edges */
.top-nav-wrapper {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.top-nav-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 32px;
  pointer-events: none;
  z-index: 4;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.top-nav-fade-left {
  left: 0;
  background: linear-gradient(to right, rgba(11, 17, 32, 0.95) 0%, transparent 100%);
}

[data-theme="light"] .top-nav-fade-left {
  background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, transparent 100%);
}

.top-nav-fade-right {
  right: 0;
  background: linear-gradient(to left, rgba(11, 17, 32, 0.95) 0%, transparent 100%);
}

[data-theme="light"] .top-nav-fade-right {
  background: linear-gradient(to left, rgba(255, 255, 255, 0.95) 0%, transparent 100%);
}

.top-nav-fade.visible {
  opacity: 1;
}

/* Scrollable Ribbon Track */
.top-nav-track {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  padding: 0.15rem 0.25rem;
  width: 100%;
  cursor: grab;
}

.top-nav-track:active {
  cursor: grabbing;
}

.top-nav-track::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Brave */
}

/* Navigation Items (Pill Design) */
.top-nav-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.85rem;
  border-radius: 9999px;
  background: transparent;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.81rem;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  outline: none;
  position: relative;
}

.top-nav-item i {
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.top-nav-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-subtle);
  transform: translateY(-1px);
}

[data-theme="light"] .top-nav-item:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(203, 213, 225, 0.8);
}

.top-nav-item:hover i {
  color: var(--color-primary);
}

/* Active State */
.top-nav-item.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(59, 130, 246, 0.18));
  border-color: rgba(59, 130, 246, 0.55);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  font-weight: 600;
}

[data-theme="light"] .top-nav-item.active {
  color: #1e3a8a;
  background: linear-gradient(135deg, rgba(219, 234, 254, 0.95), rgba(191, 219, 254, 0.7));
  border-color: #60a5fa;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.15);
}

.top-nav-item.active i {
  color: #60a5fa;
  transform: scale(1.12);
}

[data-theme="light"] .top-nav-item.active i {
  color: #2563eb;
}

/* Badges inside Top Nav */
.top-nav-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 9999px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.top-nav-badge.bg-primary {
  background: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.top-nav-badge.bg-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.top-nav-badge.text-emerald {
  background: rgba(16, 185, 129, 0.18);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.top-nav-badge.bg-indigo {
  background: rgba(99, 102, 241, 0.22);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.35);
}

.top-nav-badge.bg-gradient-ai {
  background: linear-gradient(90deg, #6366f1, #a855f7);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .top-nav-bar {
    top: 64px;
    padding: 0.35rem 0.85rem;
  }
  .top-nav-arrow {
    width: 30px;
    height: 30px;
  }
  .top-nav-arrow i {
    width: 15px;
    height: 15px;
  }
  .top-nav-item {
    font-size: 0.78rem;
    padding: 0.35rem 0.75rem;
  }
}

@media (max-width: 768px) {
  .top-nav-bar {
    top: 58px;
    padding: 0.3rem 0.5rem;
    gap: 0.35rem;
  }
  .top-nav-item {
    padding: 0.32rem 0.65rem;
    font-size: 0.75rem;
  }
  .top-nav-item i {
    width: 14px;
    height: 14px;
  }
  .top-nav-badge {
    display: none; /* Keep mobile concise */
  }
}