/* ============================================================
   FlightDeck — App Shell Layout
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--fd-grey-900);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* Tabular numbers wherever figures need to align vertically */
.fd-table td,
.fd-metric-value,
.fd-metric-trend,
.badge,
.fd-nav-badge,
.fd-pricing-input,
.fd-cabin-input,
.fd-seats-input,
.fd-price-input,
input[type="number"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

/* ---- App Shell ---- */
.fd-app-shell {
  display: grid;
  grid-template-columns: var(--fd-sidebar-width) 1fr;
  height: 100vh;
  overflow: hidden;
  transition: grid-template-columns 0.25s ease;
}

.fd-app-shell.sidebar-collapsed {
  grid-template-columns: var(--fd-sidebar-collapsed-width) 1fr;
}

/* ---- Sidebar ---- */
.fd-sidebar {
  background: var(--fd-sidebar-bg);
  height: 100vh;
  overflow: visible;          /* let footer dropdown escape */
  position: relative;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width 0.25s ease;
}


/* Sidebar decorative orbs */
.fd-sidebar-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.fd-sidebar-orb-1 {
  width: 300px; height: 300px;
  top: -80px; right: -100px;
  background: radial-gradient(circle, rgba(41,128,185,0.12) 0%, transparent 70%);
}
.fd-sidebar-orb-2 {
  width: 250px; height: 250px;
  bottom: 40px; left: -80px;
  background: radial-gradient(circle, rgba(142,68,173,0.08) 0%, transparent 70%);
}

/* Sidebar logo area */
.fd-sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--fd-header-height);
  padding: 0 22px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  border-bottom: 1px solid var(--fd-sidebar-divider);
}

.fd-sidebar-logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--fd-blue-gradient);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(41,128,185,0.3);
}

.fd-sidebar-logo-icon svg {
  width: 20px; height: 20px;
  stroke: white;
  fill: none;
}

.fd-sidebar-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: white;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.fd-app-shell.sidebar-collapsed .fd-sidebar-logo-text { opacity: 0; width: 0; overflow: hidden; }

/* Sidebar nav */
.fd-sidebar-nav {
  flex: 1;
  padding: 8px 0;
  position: relative;
  z-index: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}
.fd-sidebar-nav::-webkit-scrollbar { display: none; }

.fd-nav-group-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--fd-sidebar-group-label);
  padding: 20px 22px 6px;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.fd-app-shell.sidebar-collapsed .fd-nav-group-label { opacity: 0; }

.fd-nav-divider {
  height: 1px;
  background: var(--fd-sidebar-divider);
  margin: 8px 22px;
}

.fd-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 42px;
  padding: 0 22px;
  color: var(--fd-sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  position: relative;
  white-space: nowrap;
}

.fd-nav-item:hover {
  background: var(--fd-sidebar-hover);
  color: var(--fd-sidebar-text-hover);
}

.fd-nav-item.active {
  background: var(--fd-sidebar-active);
  color: var(--fd-sidebar-text-active);
  border-left: 3px solid var(--fd-sidebar-active-border);
  padding-left: 19px; /* 22 - 3 to account for border */
}

.fd-nav-item svg {
  width: 18px; height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.fd-nav-item:hover svg,
.fd-nav-item.active svg {
  opacity: 1;
}
.fd-nav-item.active svg {
  stroke: var(--fd-blue-400);
}

.fd-nav-item-label {
  flex: 1;
  transition: opacity 0.2s ease;
}
.fd-app-shell.sidebar-collapsed .fd-nav-item-label { opacity: 0; width: 0; overflow: hidden; }

.fd-nav-badge {
  background: rgba(231,76,60,0.2);
  color: #E74C3C;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--fd-radius-full);
  margin-left: auto;
  transition: opacity 0.2s;
}
.fd-app-shell.sidebar-collapsed .fd-nav-badge { opacity: 0; }

/* Sidebar footer */
.fd-sidebar-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--fd-sidebar-divider);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 200;               /* above sidebar content so dropdown is visible */
  flex-shrink: 0;
  overflow: visible;          /* allow user menu to escape */
}

.fd-sidebar-avatar {
  width: 36px; height: 36px;
  border-radius: var(--fd-radius-md);
  background: linear-gradient(135deg, #8E44AD, #2980B9);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}

.fd-sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: white;
  white-space: nowrap;
}
.fd-sidebar-user-role {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
}
.fd-sidebar-user-info { transition: opacity 0.2s; }
.fd-app-shell.sidebar-collapsed .fd-sidebar-user-info { opacity: 0; }

/* Sidebar collapse toggle */
.fd-sidebar-toggle {
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--fd-surface-modal-bg);
  border: 1px solid rgba(0,0,0,0.08);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 101;
  transition: background 0.2s;
}
.fd-sidebar-toggle:hover { background: white; }
.fd-sidebar-toggle svg {
  width: 12px; height: 12px;
  stroke: var(--fd-grey-500);
  fill: none;
  stroke-width: 2;
  transition: transform 0.25s ease;
}
.fd-app-shell.sidebar-collapsed .fd-sidebar-toggle svg {
  transform: rotate(180deg);
}

/* ---- Main Column ---- */
.fd-main-col {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  min-width: 0;
}

/* ---- Header ---- */
.fd-header {
  height: var(--fd-header-height);
  background: var(--fd-surface-header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--fd-surface-header-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--fd-content-padding-h);
  z-index: 90;
  flex-shrink: 0;
  position: relative;
}

.fd-header-left {
  display: flex; align-items: center; gap: 16px;
}

.fd-header-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--fd-grey-900);
}

.fd-header-right {
  display: flex; align-items: center; gap: 12px;
}

/* Header search */
.fd-header-search {
  position: relative;
  display: flex; align-items: center;
}
.fd-header-search svg {
  position: absolute; left: 12px;
  width: 16px; height: 16px;
  stroke: var(--fd-grey-500); fill: none; stroke-width: 1.5;
  pointer-events: none;
}
.fd-header-search input {
  height: 38px;
  width: 220px;
  padding: 0 14px 0 36px;
  background: rgba(255,255,255,0.6);
  border: 1.5px solid var(--fd-grey-border);
  border-radius: var(--fd-radius-md);
  backdrop-filter: blur(10px);
  font-size: 13px;
  font-family: inherit;
  color: var(--fd-grey-900);
  outline: none;
  transition: width 0.2s ease, border-color 0.2s, box-shadow 0.2s;
}
.fd-header-search input::placeholder { color: var(--fd-grey-500); }
.fd-header-search input:focus {
  width: 280px;
  border-color: var(--fd-blue-600);
  box-shadow: var(--fd-shadow-focus);
}

/* Header notification */
.fd-header-notif {
  position: relative;
}
.fd-notif-dot {
  position: absolute;
  top: 5px; right: 5px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--fd-red-600);
  border: 2px solid white;
}

/* Header avatar */
.fd-header-avatar {
  width: 34px; height: 34px;
  border-radius: var(--fd-radius-md);
  background: linear-gradient(135deg, #8E44AD, #2980B9);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

/* ---- Content Area ---- */
.fd-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--fd-content-padding-v) var(--fd-content-padding-h);
  background: var(--fd-bg-mesh);
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.1) transparent;
}
.fd-content::-webkit-scrollbar { width: 6px; }
.fd-content::-webkit-scrollbar-track { background: transparent; }
.fd-content::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 3px; }

/* ---- Page Title Bar ---- */
.fd-page-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.fd-page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--fd-grey-900);
  line-height: 1.3;
}

.fd-page-subtitle {
  font-size: 14px;
  color: var(--fd-grey-500);
  margin-top: 2px;
}

.fd-page-actions {
  display: flex; gap: 10px; align-items: center;
}

/* ---- Responsive (sidebar auto-collapse) ---- */
@media (max-width: 1024px) {
  .fd-app-shell:not(.top-nav-mode) {
    grid-template-columns: var(--fd-sidebar-collapsed-width) 1fr;
  }
  .fd-app-shell:not(.top-nav-mode) .fd-sidebar-logo-text,
  .fd-app-shell:not(.top-nav-mode) .fd-nav-item-label,
  .fd-app-shell:not(.top-nav-mode) .fd-nav-badge,
  .fd-app-shell:not(.top-nav-mode) .fd-nav-group-label,
  .fd-app-shell:not(.top-nav-mode) .fd-sidebar-user-info {
    opacity: 0; width: 0; overflow: hidden;
  }
}

@media (max-width: 768px) {
  .fd-header { padding: 0 16px; }
  .fd-content { padding: 16px; }
}

/* ============================================================
   Top Nav Mode
   ============================================================ */

.fd-app-shell.top-nav-mode {
  grid-template-columns: 1fr;
  grid-template-rows: 52px 1fr;
}

/* Sidebar becomes a horizontal top bar */
.fd-app-shell.top-nav-mode .fd-sidebar {
  height: 52px;
  width: 100%;
  flex-direction: row;
  align-items: center;
  overflow: visible;            /* allow dropdown to escape the bar */
  padding: 0 16px 0 12px;
  gap: 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.fd-app-shell.top-nav-mode .fd-sidebar-orb { display: none; }
.fd-app-shell.top-nav-mode .fd-sidebar-footer,
.fd-app-shell.top-nav-mode .fd-sidebar-toggle,
.fd-app-shell.top-nav-mode .fd-sidebar-nav,
.fd-app-shell.top-nav-mode .fd-sidebar-logo { display: none; }

/* Main col takes full height of its grid row */
.fd-app-shell.top-nav-mode .fd-main-col {
  height: 100%;
}

/* Top nav logo */
.fd-top-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding-right: 20px;
  border-right: 1px solid rgba(255,255,255,0.08);
  margin-right: 8px;
}
.fd-top-nav-brand {
  font-size: 16px;
  font-weight: 700;
  color: white;
  white-space: nowrap;
}

/* Top nav items row */
.fd-top-nav-items {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.fd-top-nav-items::-webkit-scrollbar { display: none; }

.fd-top-nav-item {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 52px;
  padding: 0 14px;
  color: var(--fd-sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  position: relative;
  flex-shrink: 0;
}
.fd-top-nav-item:hover {
  background: var(--fd-sidebar-hover);
  color: var(--fd-sidebar-text-hover);
}
.fd-top-nav-item.active {
  color: var(--fd-sidebar-text-active);
  background: var(--fd-sidebar-active);
}
.fd-top-nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--fd-sidebar-active-border);
}
.fd-top-nav-item i,
.fd-top-nav-item svg {
  width: 16px; height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
  opacity: 0.75;
}
.fd-top-nav-item.active i,
.fd-top-nav-item:hover i { opacity: 1; }
.fd-top-nav-item.active i { color: var(--fd-blue-400); stroke: var(--fd-blue-400); }

.fd-top-nav-badge {
  background: rgba(231,76,60,0.2);
  color: #E74C3C;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 9999px;
  line-height: 1.4;
}

/* End section (user avatar in top-nav mode) */
.fd-top-nav-end {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding-left: 16px;
  margin-left: 8px;
  border-left: 1px solid rgba(255,255,255,0.08);
  position: relative;         /* anchors the dropdown */
}

/* ============================================================
   User Menu Dropdown (sidebar footer & top-nav avatar)
   ============================================================ */

.fd-user-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--fd-surface-modal-bg, rgba(255,255,255,0.95));
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  z-index: 200;
  overflow: hidden;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
}
.fd-user-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* In top-nav mode the menu opens downward */
.fd-top-nav-end .fd-user-menu {
  bottom: auto;
  top: calc(100% + 8px);
  left: auto;
  right: 0;
}

.fd-user-menu-header {
  padding: 12px 14px 10px;
  color: var(--fd-grey-900, #1A1A2E);
}
.fd-user-menu-divider {
  height: 1px;
  background: rgba(0,0,0,0.06);
  margin: 0;
}
.fd-user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fd-grey-700, #4A4A68);
  text-decoration: none;
  transition: background 0.12s;
  cursor: pointer;
}
.fd-user-menu-item:hover { background: rgba(0,0,0,0.04); }
.fd-user-menu-item svg { width: 15px; height: 15px; flex-shrink: 0; opacity: 0.7; }
.fd-user-menu-item--danger { color: #e74c3c; }
.fd-user-menu-item--danger:hover { background: rgba(231,76,60,0.06); }

[data-theme="dark"] .fd-user-menu {
  background: #132030;
  border-color: rgba(255,255,255,0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
[data-theme="dark"] .fd-user-menu-header { color: #E2E8F0; }
[data-theme="dark"] .fd-user-menu-divider { background: rgba(255,255,255,0.06); }
[data-theme="dark"] .fd-user-menu-item { color: #CBD5E1; }
[data-theme="dark"] .fd-user-menu-item:hover { background: rgba(255,255,255,0.06); }

/* ── Header avatar wrapper (dropdown opens downward) ── */
.fd-header-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}
.fd-header-avatar-wrap .fd-user-menu {
  bottom: auto;
  top: calc(100% + 8px);
  left: auto;
  right: 0;
}