/* ═══════════════════════════════════════════════════════════════════════════
   ShopOS — Navigation & UX Enhancements
   Modern Grouped Sidebar, Command Palette (Ctrl+K), Mobile Bottom Bar, & Breadcrumbs
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 1. Sidebar Header & Collapse Toggle ─────────────────────────────────── */
.sidebar {
  transition: width 240ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-logo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px 14px 14px;
}

.sidebar-logo-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  text-decoration: none;
}

.sidebar-collapse-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: var(--t);
  flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  border-color: rgba(99, 102, 241, 0.3);
}

/* ── 2. User Profile Card in Sidebar ─────────────────────────────────────── */
.sidebar-user-card {
  margin: 6px 10px 10px 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--t);
}

.sidebar-user-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
  flex-shrink: 0;
}

.sidebar-user-meta {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.sidebar-user-name {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.sidebar-user-badge-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.sidebar-role-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

.sidebar-user-shift-indicator {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--t);
}

.sidebar-user-shift-indicator:hover {
  filter: brightness(1.15);
}

.sidebar-user-shift-indicator .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ── 3. Quick Search / Command Palette Box in Sidebar ─────────────────────── */
.sidebar-quick-search {
  margin: 0 10px 10px 10px;
  position: relative;
}

.sidebar-search-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text-3);
  font-size: 12.5px;
  cursor: pointer;
  transition: var(--t);
  text-align: right;
}

.sidebar-search-trigger:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--text-1);
}

.sidebar-search-trigger-inner {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-search-trigger-inner i {
  font-size: 13px;
  color: var(--primary-light);
}

.sidebar-kbd-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  color: var(--text-2);
  font-family: monospace, sans-serif;
  letter-spacing: 0.5px;
}

/* ── 4. Categorized Navigation Sections ──────────────────────────────────── */
.nav-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 12px;
}

.nav-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px 4px 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  user-select: none;
}

.nav-section-title span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-section-title i {
  font-size: 10px;
  opacity: 0.7;
}

.nav-shortcut-hint {
  font-size: 9.5px;
  font-weight: 600;
  opacity: 0.5;
  font-family: monospace;
  margin-right: auto;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
}

/* Refined Nav Items */
.sidebar-nav .nav-item {
  position: relative;
  padding: 9px 12px;
  font-size: 13px;
  border-radius: var(--r-sm);
  transition: all 160ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-nav .nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateX(-2px);
}

.sidebar-nav .nav-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.18) 0%, rgba(99, 102, 241, 0.06) 100%);
  color: #fff;
  font-weight: 600;
  border-right: 3px solid var(--primary-light);
}

.sidebar-nav .nav-item.active i {
  color: var(--primary-light);
  transform: scale(1.1);
}

.sidebar-nav .nav-item i {
  transition: transform 160ms ease, color 160ms ease;
}

/* ── 5. Collapsed Sidebar Mode (Desktop) ─────────────────────────────────── */
@media (min-width: 769px) {
  body.sidebar-collapsed .sidebar {
    width: 68px !important;
  }

  body.sidebar-collapsed .logo-text,
  body.sidebar-collapsed .sidebar-user-meta,
  body.sidebar-collapsed .sidebar-search-trigger span,
  body.sidebar-collapsed .sidebar-kbd-badge,
  body.sidebar-collapsed .nav-item span,
  body.sidebar-collapsed .nav-item .nav-pill,
  body.sidebar-collapsed .nav-shortcut-hint,
  body.sidebar-collapsed .nav-section-title span,
  body.sidebar-collapsed .sidebar-footer-title,
  body.sidebar-collapsed .cash-info,
  body.sidebar-collapsed .theme-toggle-label,
  body.sidebar-collapsed .theme-toggle-state {
    display: none !important;
  }

  body.sidebar-collapsed .sidebar-logo {
    padding: 16px 12px;
    justify-content: center;
  }

  body.sidebar-collapsed .sidebar-collapse-btn {
    position: absolute;
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    font-size: 11px;
    border-radius: 50%;
    background: var(--bg-2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 20;
  }

  body.sidebar-collapsed .sidebar-collapse-btn i {
    transform: rotate(180deg);
  }

  body.sidebar-collapsed .sidebar-user-card {
    margin: 8px 6px;
    padding: 8px;
    justify-content: center;
  }

  body.sidebar-collapsed .sidebar-quick-search {
    margin: 4px 6px 8px 6px;
  }

  body.sidebar-collapsed .sidebar-search-trigger {
    padding: 10px;
    justify-content: center;
  }

  body.sidebar-collapsed .nav-section {
    margin-bottom: 8px;
  }

  body.sidebar-collapsed .nav-section-title {
    padding: 6px 0;
    justify-content: center;
    border-top: 1px solid var(--border-light);
    margin: 4px 8px;
  }

  body.sidebar-collapsed .nav-section-title::after {
    content: '•';
    color: var(--text-3);
    font-size: 14px;
  }

  body.sidebar-collapsed .sidebar-nav .nav-item {
    justify-content: center;
    padding: 10px 0;
    margin: 2px 6px;
  }

  body.sidebar-collapsed .sidebar-nav .nav-item i {
    width: auto;
    font-size: 16px;
    margin: 0;
  }

  body.sidebar-collapsed .sidebar-nav .nav-item:hover {
    transform: none;
    background: rgba(99, 102, 241, 0.15);
  }

  body.sidebar-collapsed .live-cash-mini {
    padding: 8px;
    justify-content: center;
  }

  body.sidebar-collapsed .theme-toggle {
    padding: 8px;
    justify-content: center;
  }

  /* Tooltip for collapsed sidebar nav items */
  body.sidebar-collapsed .nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    background: #1e1b4b;
    color: #fff;
    padding: 6px 12px;
    border-radius: var(--r-sm);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(99, 102, 241, 0.3);
    z-index: 1000;
  }

  body.sidebar-collapsed .nav-item:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }
}

/* ── 6. Global Topbar Ribbon on Main Pages ────────────────────────────────── */
.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: rgba(7, 7, 26, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 30;
  gap: 16px;
}

body.pos-cashier-mode .app-topbar {
  display: none !important;
}

.app-topbar-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
}

.app-topbar-breadcrumb-link {
  color: var(--text-3);
  transition: var(--t);
  display: flex;
  align-items: center;
  gap: 6px;
}

.app-topbar-breadcrumb-link:hover {
  color: var(--primary-light);
}

.app-topbar-breadcrumb-sep {
  color: var(--text-3);
  opacity: 0.5;
  font-size: 11px;
}

.app-topbar-breadcrumb-current {
  color: var(--text-1);
  font-weight: 700;
}

.app-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-topbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-2);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--t);
}

.app-topbar-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text-1);
  border-color: var(--border);
}

.app-topbar-btn.btn-accent {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  border-color: rgba(99, 102, 241, 0.35);
  color: var(--primary-light);
}

.app-topbar-btn.btn-accent:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(139, 92, 246, 0.35));
  color: #fff;
}

/* ── 7. Universal Command Palette (Ctrl+K) ───────────────────────────────── */
.cmd-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 2, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 16px 24px 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.cmd-palette-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cmd-palette-dialog {
  width: 100%;
  max-width: 620px;
  background: #0d0d26;
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--r-md);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.75), 0 0 20px rgba(99, 102, 241, 0.15);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(-12px) scale(0.98);
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

.cmd-palette-overlay.open .cmd-palette-dialog {
  transform: translateY(0) scale(1);
}

.cmd-palette-header {
  position: relative;
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  gap: 12px;
}

.cmd-palette-search-icon {
  font-size: 18px;
  color: var(--primary-light);
}

.cmd-palette-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-1);
  font-size: 15.5px;
  font-weight: 600;
  font-family: inherit;
  direction: rtl;
}

.cmd-palette-input::placeholder {
  color: var(--text-3);
  font-weight: 400;
}

.cmd-palette-close-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  color: var(--text-3);
  cursor: pointer;
  user-select: none;
  font-family: monospace, sans-serif;
}

.cmd-palette-close-badge:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-1);
}

.cmd-palette-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
}

.cmd-filter-pill {
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-3);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
}

.cmd-filter-pill:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.08);
}

.cmd-filter-pill.active {
  background: rgba(99, 102, 241, 0.18);
  color: var(--primary-light);
  border-color: rgba(99, 102, 241, 0.35);
}

.cmd-palette-body {
  max-height: 380px;
  overflow-y: auto;
  padding: 8px;
}

.cmd-palette-body::-webkit-scrollbar {
  width: 5px;
}
.cmd-palette-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.cmd-group-label {
  padding: 8px 12px 4px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--r);
  cursor: pointer;
  transition: background 120ms ease;
  user-select: none;
  gap: 12px;
}

.cmd-item:hover,
.cmd-item.selected {
  background: rgba(99, 102, 241, 0.14);
}

.cmd-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.cmd-item-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-2);
  flex-shrink: 0;
  transition: var(--t);
}

.cmd-item.selected .cmd-item-icon {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.35);
}

.cmd-item-text {
  min-width: 0;
}

.cmd-item-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-1);
}

.cmd-item-desc {
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 2px;
}

.cmd-item-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.cmd-item-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-3);
}

.cmd-item-shortcut {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  font-family: monospace, sans-serif;
}

.cmd-empty {
  padding: 36px 16px;
  text-align: center;
  color: var(--text-3);
  font-size: 13.5px;
}

.cmd-empty i {
  font-size: 32px;
  opacity: 0.35;
  margin-bottom: 10px;
  display: block;
}

.cmd-palette-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-top: 1px solid var(--border-light);
  background: rgba(0, 0, 0, 0.25);
  font-size: 11.5px;
  color: var(--text-3);
}

.cmd-palette-footer-keys {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cmd-palette-footer-keys span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cmd-palette-footer-keys kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 10px;
  font-family: monospace;
}

/* ── 8. Mobile Bottom Navigation Bar ─────────────────────────────────────── */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(7, 7, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  z-index: 90;
  align-items: center;
  justify-content: space-around;
  padding: 0 4px;
}

body.pos-cashier-mode .mobile-bottom-nav {
  display: none !important;
}

.mobile-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  flex: 1;
  height: 100%;
  color: var(--text-3);
  font-size: 10.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 140ms ease;
  position: relative;
}

.mobile-bottom-nav-item i {
  font-size: 17px;
  transition: transform 140ms ease, color 140ms ease;
}

.mobile-bottom-nav-item:hover,
.mobile-bottom-nav-item.active {
  color: var(--primary-light);
}

.mobile-bottom-nav-item.active i {
  transform: translateY(-2px);
  color: var(--primary-light);
}

.mobile-bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 28px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--primary-light);
  box-shadow: 0 0 8px var(--primary-light);
}

.mobile-bottom-nav-item.special-hot {
  color: #fca5a5;
}

.mobile-bottom-nav-item.special-hot.active {
  color: #ef4444;
}

.mobile-bottom-nav-item.special-hot.active::before {
  background: #ef4444;
  box-shadow: 0 0 8px #ef4444;
}

@media (max-width: 768px) {
  .mobile-bottom-nav {
    display: flex;
  }

  .main-content {
    padding-bottom: 60px !important;
  }

  .app-topbar {
    display: none;
  }
}

/* ── 9. Light Theme Styles ───────────────────────────────────────────────── */
html[data-theme="light"] .sidebar-user-card {
  background: rgba(31, 41, 55, 0.04);
  border-color: rgba(31, 41, 55, 0.08);
}

html[data-theme="light"] .sidebar-search-trigger {
  background: rgba(31, 41, 55, 0.03);
  border-color: rgba(31, 41, 55, 0.1);
  color: var(--text-2);
}

html[data-theme="light"] .sidebar-kbd-badge {
  background: rgba(31, 41, 55, 0.07);
  border-color: rgba(31, 41, 55, 0.12);
  color: var(--text-2);
}

html[data-theme="light"] .nav-section-title {
  color: var(--text-3);
}

html[data-theme="light"] .app-topbar {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(31, 41, 55, 0.08);
}

html[data-theme="light"] .app-topbar-btn {
  background: rgba(31, 41, 55, 0.04);
  border-color: rgba(31, 41, 55, 0.1);
  color: var(--text-2);
}

html[data-theme="light"] .cmd-palette-overlay {
  background: rgba(15, 23, 42, 0.45);
}

html[data-theme="light"] .cmd-palette-dialog {
  background: #ffffff;
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: 0 24px 64px rgba(31, 41, 55, 0.18);
}

html[data-theme="light"] .cmd-palette-filters {
  background: #f8fafc;
}

html[data-theme="light"] .cmd-palette-footer {
  background: #f8fafc;
}

html[data-theme="light"] .cmd-item-icon {
  background: rgba(31, 41, 55, 0.06);
}

html[data-theme="light"] .mobile-bottom-nav {
  background: rgba(255, 255, 255, 0.95);
  border-top-color: rgba(31, 41, 55, 0.1);
}