/**
 * MaximoSEO Design Improvements
 * Enhances productivity, visual hierarchy and usability
 */

/* =====================================================================
   1. HEADER CLEANUP
   ===================================================================== */
.app-header {
  border-top: none !important;
}


/* =====================================================================
   2. SIDEBAR CATEGORY COLOR ACCENTS
   ===================================================================== */
[data-category="content"]       { --cat-color: #3b82f6; --cat-bg: rgba(59,130,246,0.08); }
[data-category="seo-analysis"]  { --cat-color: #10b981; --cat-bg: rgba(16,185,129,0.08); }
[data-category="keywords"]      { --cat-color: #f59e0b; --cat-bg: rgba(245,158,11,0.08); }
[data-category="backlinks"]     { --cat-color: #6366f1; --cat-bg: rgba(99,102,241,0.08); }
[data-category="local-seo"]     { --cat-color: #ec4899; --cat-bg: rgba(236,72,153,0.08); }
[data-category="analytics"]     { --cat-color: #14b8a6; --cat-bg: rgba(20,184,166,0.08); }
[data-category="ai-tools"]      { --cat-color: #8b5cf6; --cat-bg: rgba(139,92,246,0.08); }
[data-category="technical"]     { --cat-color: #ef4444; --cat-bg: rgba(239,68,68,0.08); }
[data-category="social"]        { --cat-color: #f97316; --cat-bg: rgba(249,115,22,0.08); }
[data-category="outreach"]      { --cat-color: #06b6d4; --cat-bg: rgba(6,182,212,0.08); }
[data-category="client-business"]{ --cat-color: #84cc16; --cat-bg: rgba(132,204,22,0.08); }

.nav-category-header {
  transition: background 0.15s ease, color 0.15s ease !important;
}
.nav-category-header[aria-expanded="true"] {
  background: var(--cat-bg, rgba(124,92,255,0.08)) !important;
  border-radius: var(--radius-sm);
}
.nav-category-header[aria-expanded="true"] .category-icon,
.nav-category-header:hover .category-icon {
  filter: drop-shadow(0 0 5px var(--cat-color, var(--accent)));
  transition: filter 0.2s;
}
.nav-category-header[aria-expanded="true"] .category-title {
  color: var(--cat-color, var(--text-primary));
}

/* Active tab item gets category color accent */
.nav-category-items .tab-btn.active {
  color: var(--cat-color, var(--accent)) !important;
  background: var(--cat-bg, rgba(124,92,255,0.1)) !important;
  border-color: color-mix(in srgb, var(--cat-color, var(--accent)) 40%, transparent) !important;
}


/* =====================================================================
   3. TOOL COUNT BADGES
   ===================================================================== */
.di-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 17px;
  padding: 0 5px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  background: var(--glass-strong);
  color: var(--text-muted);
  margin-left: auto;
  margin-right: 6px;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0;
  line-height: 1;
}
.nav-category-header:hover .di-count-badge,
.nav-category-header[aria-expanded="true"] .di-count-badge {
  background: var(--cat-bg, var(--accent-muted));
  color: var(--cat-color, var(--accent));
}


/* =====================================================================
   4. RECENTLY USED SECTION
   ===================================================================== */
.di-recently-used {
  padding: 4px 10px 10px;
  margin-bottom: 2px;
}
.di-recently-used-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.9px;
  text-transform: uppercase;
  color: var(--text-disabled);
  margin-bottom: 7px;
  padding: 0 2px;
}
.di-recently-used-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.di-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px 3px 7px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}
.di-chip:hover {
  background: var(--accent-muted);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-1px);
}
.di-chip-icon {
  font-size: 12px;
  flex-shrink: 0;
}
.di-chip-label {
  overflow: hidden;
  text-overflow: ellipsis;
}


/* =====================================================================
   5. SIDEBAR SECTION DIVIDERS
   ===================================================================== */
.di-sidebar-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 10px 14px 6px;
  opacity: 0.4;
}
.di-sidebar-section-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.9px;
  text-transform: uppercase;
  color: var(--text-disabled);
  padding: 2px 14px 4px;
}


/* =====================================================================
   6. IMPROVED FAVORITES EMPTY STATE
   ===================================================================== */
.di-favs-empty {
  margin: 6px 10px 2px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(255,255,255,0.1);
  background: var(--glass);
  text-align: center;
}
.di-favs-empty-icon {
  font-size: 24px;
  display: block;
  margin-bottom: 5px;
}
.di-favs-empty-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 3px;
}
.di-favs-empty-hint {
  font-size: 10px;
  color: var(--text-disabled);
  line-height: 1.5;
  display: block;
}


/* =====================================================================
   7. DASHBOARD ENHANCEMENTS
   ===================================================================== */
.dashboard-container {
  padding: 24px 28px;
  max-width: 1200px;
}
.dashboard-header {
  margin-bottom: 20px;
}
.di-greeting {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 6px !important;
}

/* Stats grid — horizontal on desktop, 2-col on tablet */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.2s var(--ease-out);
}
.stat-card:hover {
  border-color: rgba(124,92,255,0.35);
  background: var(--surface-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.stat-icon { font-size: 26px; flex-shrink: 0; }
.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.3;
}

/* Dashboard row layout */
.dashboard-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.dashboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.dashboard-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.01);
}
.dashboard-card .card-header h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.dashboard-card .card-body {
  padding: 14px 18px;
}

/* Quick action buttons */
.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--bg-secondary, var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s var(--ease-out);
  text-align: center;
  min-height: 76px;
  justify-content: center;
  font-family: inherit;
}
.quick-action-btn:hover {
  background: var(--accent-muted);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(124,92,255,0.2);
}
.quick-action-btn .qa-icon {
  font-size: 20px;
}


/* =====================================================================
   8. PERFORMANCE METRICS — Style invalid placeholder values
   ===================================================================== */
.di-metric-placeholder {
  color: var(--text-disabled) !important;
  font-size: 18px !important;
  letter-spacing: 1px;
}
/* Perf card grid — 4 metrics in a row */
.di-perf-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 900px) {
  .di-perf-grid { grid-template-columns: repeat(2, 1fr); }
}


/* =====================================================================
   9. FAB BUTTON TOOLTIP
   ===================================================================== */
.di-fab-wrapper {
  position: relative;
  display: inline-block;
}
.di-fab-tip {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
  transform: translateY(4px);
  z-index: 200;
}
.di-fab-wrapper:hover .di-fab-tip {
  opacity: 1;
  transform: translateY(0);
}


/* =====================================================================
   10. TOAST DEDUPLICATION BADGE
   ===================================================================== */
.di-toast-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--accent);
  border-radius: 9px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  margin-left: 8px;
  vertical-align: middle;
}


/* =====================================================================
   11. EMPTY STATE IMPROVEMENTS
   ===================================================================== */
.empty-state-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  text-align: center;
  color: var(--text-muted);
  gap: 6px;
}
.empty-state-box .empty-icon {
  font-size: 32px;
  margin-bottom: 4px;
}
.empty-state-box h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
}
.empty-state-box p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 2px 0 0;
}


/* =====================================================================
   12. RESPONSIVE OVERRIDES
   ===================================================================== */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .dashboard-row { grid-template-columns: 1fr !important; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr !important; }
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .dashboard-container { padding: 14px !important; }
}
@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr !important; }
}


/* =====================================================================
   MOBILE & TABLET UX IMPROVEMENTS
   ===================================================================== */

/* ── New design tokens ───────────────────────────────────────────────── */
:root {
  --bottom-nav-height: 60px;
  --bottom-nav-bg: rgba(10, 13, 23, 0.96);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-top: env(safe-area-inset-top, 0px);
  --drawer-width: min(85vw, 320px);
}


/* ── PHASE 1: HEADER MOBILE CLEANUP ─────────────────────────────────── */
@media (max-width: 768px) {
  .app-header {
    padding: 0 12px !important;
  }

  .brand { gap: 8px !important; }
  .logo { flex: 0 0 24px !important; width: 24px !important; height: 24px !important; }

  .brand-text .name { font-size: 14px !important; }

  .search-shortcut { display: none !important; }

  .theme-label { display: none !important; }

  body {
    padding-top: max(50px, calc(50px + var(--safe-area-top))) !important;
  }
}


/* ── PHASE 2: BOTTOM NAVIGATION ─────────────────────────────────────── */
@media (max-width: 768px) {
  /* Activate the bottom nav — JS removes the inline display:none!important */
  #bottomNav {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--bottom-nav-height) + var(--safe-area-bottom));
    padding-bottom: var(--safe-area-bottom);
    background: var(--bottom-nav-bg);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    z-index: 600;
    align-items: stretch;
    justify-content: space-around;
    box-shadow: 0 -2px 24px rgba(0, 0, 0, 0.4);
  }

  /* Accent gradient line on top of nav */
  #bottomNav::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
  }

  /* Hide the old floating pill FAB — bottom nav replaces it */
  .mobile-menu-toggle { display: none !important; }

  /* Nav item base */
  .bottom-nav-item {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    flex: 1;
    background: none;
    border: none;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.42);
    font-family: inherit;
    padding: 6px 2px;
    transition: color 0.18s ease, transform 0.1s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: unset !important;
    min-width: unset !important;
    position: relative;
    border-radius: 0;
  }

  .bottom-nav-item:active {
    transform: scale(0.86) !important;
    color: var(--accent) !important;
  }

  .bottom-nav-item.active {
    color: var(--accent) !important;
  }

  /* Active indicator bar */
  .bottom-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 3px;
    background: var(--accent);
    border-radius: 0 0 4px 4px;
    box-shadow: 0 2px 8px var(--accent-glow);
  }

  .bottom-nav-item .nav-icon {
    font-size: 20px;
    line-height: 1;
    display: block;
    transition: transform 0.15s ease;
  }

  .bottom-nav-item.active .nav-icon {
    transform: translateY(-1px);
  }

  .bottom-nav-item .nav-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2px;
    line-height: 1;
    white-space: nowrap;
  }

  /* Content padding for bottom nav */
  .main-wrap {
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 8px) !important;
  }
  .tab-content.active {
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 24px) !important;
  }
}

/* More menu popup (slides up above bottom nav) */
@media (max-width: 768px) {
  #moreMenuOverlay {
    position: fixed;
    inset: 0;
    z-index: 690;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }
  #moreMenuOverlay.active {
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  /* moreMenu: JS controls display, CSS controls animation */
  #moreMenu {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--safe-area-bottom) + 8px);
    left: 8px;
    right: 8px;
    background: var(--surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-xl);
    padding: 12px;
    z-index: 700;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s ease;
    max-height: 60vh;
    overflow-y: auto;
  }
  #moreMenu.active {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .more-menu-item {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 12px 6px;
    border: 1px solid var(--border);
    background: var(--glass);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
    min-height: unset !important;
    min-width: unset !important;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .more-menu-item:active {
    transform: scale(0.93) !important;
    background: var(--accent-muted) !important;
    border-color: rgba(124, 92, 255, 0.4) !important;
  }

  .menu-icon {
    font-size: 20px;
    display: block;
    line-height: 1;
  }
}


/* ── PHASE 3: SIDEBAR DRAWER POLISH ─────────────────────────────────── */
@media (max-width: 768px) {
  /* Smooth drawer animation */
  .tab-nav {
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1) !important;
    will-change: transform;
    width: var(--drawer-width) !important;
  }

  /* Scrim — animated blur */
  .sidebar-overlay {
    transition: opacity 0.28s ease !important;
    backdrop-filter: blur(3px) !important;
    -webkit-backdrop-filter: blur(3px) !important;
  }
  .sidebar-overlay.visible {
    opacity: 1;
  }

  /* Close button styling */
  .mobile-menu-close {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 14px 16px !important;
    margin: 0 -8px 10px !important;
    width: calc(100% + 16px) !important;
    background: var(--surface-elevated) !important;
    border: none !important;
    border-bottom: 1px solid var(--border) !important;
    color: var(--text-secondary) !important;
    font-family: inherit;
    font-size: 13px !important;
    font-weight: 600 !important;
    cursor: pointer;
    border-radius: 0 !important;
    min-height: 48px !important;
    letter-spacing: 0.2px;
  }
  .mobile-menu-close:active { background: var(--glass) !important; }

  /* Quick access row in sidebar */
  .sidebar-quick-access {
    padding: 4px 8px !important;
    gap: 5px !important;
  }
  .sidebar-quick-access .tab-btn {
    font-size: 11px !important;
    padding: 8px 6px !important;
    min-height: 42px !important;
    gap: 5px !important;
  }
}


/* ── PHASE 4: TABLET ICON-RAIL SIDEBAR (769–1024px) ─────────────────── */
@media (min-width: 769px) and (max-width: 1024px) {
  .tab-nav {
    transform: translateX(0) !important;
    width: var(--sidebar-collapsed-width) !important;
    overflow: hidden !important;
    top: 56px !important;
    padding-top: 8px !important;
    z-index: 15 !important;
    transition: width 0.32s cubic-bezier(0.16, 1, 0.3, 1) !important;
    will-change: width;
  }

  .tab-nav:hover {
    width: 260px !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    box-shadow: 4px 0 28px rgba(0, 0, 0, 0.28) !important;
    z-index: 999 !important;
  }

  .tab-nav.open {
    width: 260px !important;
    overflow-y: auto !important;
  }

  .main-wrap {
    margin-left: var(--sidebar-collapsed-width) !important;
    transition: margin-left 0.32s cubic-bezier(0.16, 1, 0.3, 1) !important;
  }

  .tab-nav:not(:hover):not(.open) .category-title,
  .tab-nav:not(:hover):not(.open) .category-arrow,
  .tab-nav:not(:hover):not(.open) .di-count-badge,
  .tab-nav:not(:hover):not(.open) .nav-category-items,
  .tab-nav:not(:hover):not(.open) .toggle-all-categories-btn,
  .tab-nav:not(:hover):not(.open) .di-recently-used,
  .tab-nav:not(:hover):not(.open) .mobile-menu-close,
  .tab-nav:not(:hover):not(.open) .tab-btn > span:not(.tab-icon),
  .tab-nav:not(:hover):not(.open) .nav-category-header > span:not(.category-icon) {
    display: none !important;
  }

  .tab-nav:not(:hover):not(.open) .tab-btn {
    justify-content: center !important;
    padding: 10px 0 !important;
  }
  .tab-nav:not(:hover):not(.open) .nav-category-header {
    justify-content: center !important;
    padding: 10px 0 !important;
  }
  .tab-nav:not(:hover):not(.open) .sidebar-quick-access {
    flex-direction: column !important;
    gap: 4px !important;
    padding: 6px 4px !important;
  }
  .tab-nav:not(:hover):not(.open) .sidebar-quick-access .tab-btn {
    flex: unset !important;
    width: 100% !important;
  }

  .tab-icon, .category-icon { font-size: 18px !important; }

  .mobile-menu-toggle { display: none !important; }

  .brand-text .sub { display: inline !important; font-size: 10px !important; }
}


/* ── PHASE 5: TOUCH MICRO-POLISH ─────────────────────────────────────── */

/* Satisfying press states on touch devices */
@media (pointer: coarse) {
  .btn:active:not(.bottom-nav-item) {
    transform: scale(0.95) !important;
    transition: transform 0.08s ease !important;
  }
  .tab-btn:active {
    transform: scale(0.96) !important;
    transition: transform 0.08s ease !important;
  }
  .nav-category-header:active {
    transform: scale(0.98) !important;
  }
  .quick-action-btn:active {
    transform: scale(0.94) !important;
  }
}

@media (max-width: 768px) {
  /* Momentum scrolling everywhere */
  .tab-nav, .tab-content.active, .main-wrap {
    -webkit-overflow-scrolling: touch;
  }

  /* Horizontal scroll fade edge indicator */
  .subtab-nav,
  .kr-subtabs,
  .ga4-subtabs,
  .manus-subtabs,
  .platform-tabs {
    position: relative;
  }
  .subtab-nav::after,
  .kr-subtabs::after,
  .ga4-subtabs::after,
  .manus-subtabs::after {
    content: '';
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 28px;
    background: linear-gradient(to right, transparent, var(--bg));
    pointer-events: none;
    border-radius: 0 4px 4px 0;
  }

  /* Inputs — prevent iOS zoom (font-size < 16px triggers zoom) */
  input[type="text"],
  input[type="email"],
  input[type="url"],
  input[type="search"],
  input[type="password"],
  textarea,
  select {
    font-size: 16px !important;
  }

  /* Card & panel rounding on mobile */
  .card, .panel, .dashboard-card {
    border-radius: var(--radius-md) !important;
  }

  /* More breathing room for empty states */
  .empty-state-box {
    padding: 40px 20px !important;
    gap: 8px !important;
  }

  /* Button groups wrap cleanly */
  .btn-group {
    flex-wrap: wrap;
    gap: 8px;
  }

  /* Section headers stack on very small screens */
  .section-header {
    flex-wrap: wrap;
    gap: 8px;
  }
  .section-header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  /* Diff viewer stacks on mobile */
  .diff-container {
    grid-template-columns: 1fr !important;
  }

  /* Tab content padding-top breathing room */
  .tab-content.active {
    padding-top: 16px !important;
  }
}

/* Safe area / notch support */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  @media (max-width: 768px) {
    #bottomNav {
      padding-bottom: max(env(safe-area-inset-bottom), 4px);
      height: calc(var(--bottom-nav-height) + max(env(safe-area-inset-bottom), 4px));
    }
  }
}

/* ── Social Distribution external link ── */
.sidebar-external-link {
  padding: 12px;
  margin-top: 8px;
  border-top: 1px solid var(--border, rgba(255,255,255,0.08));
}
.tab-btn-external {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-muted, rgba(255,255,255,0.55));
  border: 1px solid var(--border, rgba(255,255,255,0.1));
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 500;
  font-size: 13px;
  width: 100%;
  transition: all 0.2s ease;
  background: rgba(255,255,255,0.03);
}
.tab-btn-external:hover {
  color: var(--accent, #6c8cff);
  border-color: var(--accent, #6c8cff);
  background: rgba(108,140,255,0.08);
}
/* Mobile nav external link */
.mobile-nav-menu .tab-btn-external {
  margin-top: 8px;
  border-top: 1px solid var(--border, rgba(255,255,255,0.08));
  padding-top: 12px;
}