/* ============================= */
/* TAB NAVIGATION STYLES */
/* ============================= */

.tab-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
  flex-wrap: nowrap;
  animation: fadeInUp 0.5s ease;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--green-dim) var(--surface);
}

.tab-nav::-webkit-scrollbar {
  height: 6px;
}

.tab-nav::-webkit-scrollbar-track {
  background: var(--surface-2);
  border-radius: 3px;
}

.tab-nav::-webkit-scrollbar-thumb {
  background: var(--green-dim);
  border-radius: 3px;
}

.tab-nav::-webkit-scrollbar-thumb:hover {
  background: var(--green);
}

.tab-btn {
  flex: 0 0 auto;
  min-width: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.tab-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--green-glow);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}

.tab-btn:hover {
  color: var(--text);
  border-color: var(--border);
}

.tab-btn:hover::before {
  opacity: 0.5;
}

.tab-btn.active {
  background: var(--green-glow);
  border-color: var(--green);
  color: var(--green);
}

.tab-btn.active .tab-icon {
  transform: scale(1.1);
}

.tab-icon {
  font-size: 1.5rem;
  transition: transform 0.3s;
  line-height: 1;
}

.tab-label {
  white-space: nowrap;
  letter-spacing: 0.3px;
}

/* Tab Content */
.tab-content {
  position: relative;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-pane.active {
  display: block;
}

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

/* Mobile Responsive */
@media (max-width: 600px) {
  .tab-nav {
    gap: 0.35rem;
    padding: 0.35rem;
  }

  .tab-btn {
    min-width: 85px;
    padding: 0.6rem 0.5rem;
    gap: 0.25rem;
  }

  .tab-icon {
    font-size: 1.2rem;
  }

  .tab-label {
    font-size: 0.7rem;
  }
}

/* Tablet */
@media (min-width: 601px) and (max-width: 860px) {
  .tab-btn {
    min-width: 100px;
  }
}

/* Active Tab Indicator */
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--green);
  border-radius: 2px 2px 0 0;
}

/* Tab Scroll Hint */
.tab-scroll-hint {
  text-align: center;
  color: var(--text-dark);
  font-size: 0.75rem;
  margin-top: -0.75rem;
  margin-bottom: 1rem;
  animation: pulse 2s ease-in-out infinite;
  display: none;
}

.tab-scroll-hint.visible {
  display: block;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* Loading State (optional) */
.tab-pane.loading {
  opacity: 0.5;
  pointer-events: none;
}

.tab-pane.loading::after {
  content: 'Loading...';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-dim);
  font-size: 0.9rem;
}