/* ═══════════════════════════════════════════════════════════════
   IVAO Event Department Scheduler — base.css
   Theme: Premium aviation dark, clean & modern
   ═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Brand */
  --ivao-blue: #1565c0;
  --ivao-blue-light: #1e88e5;
  --ivao-blue-dark: #0d47a1;
  --ivao-accent: #42a5f5;

  /* Surface */
  --bg: #080c14;
  --bg-secondary: #0d1220;
  --surface: #111827;
  --surface-raised: #1a2235;
  --surface-hover: #1e2a42;
  --surface-glass: rgba(17, 24, 39, 0.8);

  /* Border */
  --border: rgba(255, 255, 255, .07);
  --border-subtle: rgba(255, 255, 255, .04);
  --border-strong: rgba(255, 255, 255, .14);
  --border-blue: rgba(30, 136, 229, .25);

  /* Text */
  --text-primary: #f1f5ff;
  --text-secondary: #8ea8c8;
  --text-muted: #4d6280;
  --text-inverse: #080c14;

  /* Status */
  --green: #22c55e;
  --green-dim: #16a34a;
  --green-bg: rgba(34, 197, 94, .10);
  --green-border: rgba(34, 197, 94, .20);
  --yellow: #f59e0b;
  --yellow-dim: #d97706;
  --yellow-bg: rgba(245, 158, 11, .10);
  --yellow-border: rgba(245, 158, 11, .20);
  --red: #ef4444;
  --red-dim: #dc2626;
  --red-bg: rgba(239, 68, 68, .10);
  --red-border: rgba(239, 68, 68, .20);
  --purple: #a855f7;
  --purple-bg: rgba(168, 85, 247, .10);
  --blue-bg: rgba(30, 136, 229, .10);

  /* UI */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, .5);
  --shadow: 0 4px 20px rgba(0, 0, 0, .5);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, .7);
  --shadow-blue: 0 4px 24px rgba(21, 101, 192, .25);
  --transition: .18s cubic-bezier(.4, 0, .2, 1);

  /* Navbar */
  --nav-h: 64px;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -20%, rgba(21, 101, 192, .08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(13, 71, 161, .06) 0%, transparent 60%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea {
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--surface-raised);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--ivao-blue); }

::selection { background: rgba(30, 136, 229, .3); color: #fff; }
:focus-visible { outline: 2px solid var(--ivao-blue-light); outline-offset: 2px; }

/* ══════════════════════════════════════════════════════════════
   LOADING SCREEN
   ══════════════════════════════════════════════════════════════ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, #0a1022 0%, #050810 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity .6s ease, visibility .6s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.loading-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: drop-shadow(0 0 24px rgba(30, 136, 229, .5));
  animation: loadingPulse 2s ease-in-out infinite;
}

@keyframes loadingPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .7; transform: scale(.93); }
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 2.5px solid rgba(30, 136, 229, .15);
  border-top-color: var(--ivao-blue-light);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
  font-size: .82rem;
  color: var(--text-muted);
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ══════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(8, 12, 20, .75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 12, 20, .92);
  box-shadow: 0 1px 0 var(--border), 0 4px 32px rgba(0, 0, 0, .6);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.nav-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-title { font-size: .88rem; font-weight: 700; color: var(--text-primary); letter-spacing: -.01em; }
.nav-subtitle { font-size: .68rem; color: var(--text-muted); }

.nav-links { display: flex; align-items: center; gap: 2px; flex: 1; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  font-size: .845rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-link:hover { background: rgba(255,255,255,.05); color: var(--text-primary); }

.nav-link.active {
  background: rgba(30, 136, 229, .12);
  color: var(--ivao-accent);
}

.nav-icon { width: 15px; height: 15px; flex-shrink: 0; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Live Badges Group */
.live-badges-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: .73rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition);
}

.live-badge:hover {
  transform: translateY(-1px);
}

.live-badge-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.live-badge-pilot {
  background: var(--blue-bg);
  border: 1px solid var(--border-blue);
  color: var(--ivao-accent);
}

.live-badge-atc {
  background: var(--purple-bg);
  border: 1px solid rgba(168, 85, 247, .20);
  color: var(--purple);
}

.live-badge-total {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  color: var(--green);
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: livePulse 2.4s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, .5); }
  50% { opacity: .8; box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 13px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .83rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-btn svg { width: 15px; height: 15px; }

.nav-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.nav-btn-ghost:hover { background: rgba(255,255,255,.05); color: var(--text-primary); }

.nav-btn-primary { background: var(--ivao-blue); color: #fff; }
.nav-btn-primary:hover {
  background: var(--ivao-blue-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ivao-blue-dark), var(--ivao-blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  border: 1.5px solid rgba(66, 165, 245, .3);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 12px 3px 3px;
  background: var(--surface);
  border: 1px solid var(--border-blue);
  border-radius: 99px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: .83rem;
  color: var(--text-primary);
  font-weight: 500;
  max-width: 180px;
}

.user-menu:hover { background: var(--surface-hover); border-color: rgba(66, 165, 245, .4); }

.user-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 1px;
}

.user-name {
  font-size: .83rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Staff avatar glow */
.user-avatar.staff {
  background: linear-gradient(135deg, #b8860b, #ffd700, #daa520);
  border-color: rgba(255, 215, 0, .5);
  box-shadow: 0 0 10px rgba(255, 215, 0, .25);
}

/* Staff Badge */
.staff-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  border-radius: 99px;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(255, 215, 0, .15), rgba(218, 165, 32, .1));
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, .25);
  white-space: nowrap;
  line-height: 1.5;
}

/* Member Badge */
.member-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  border-radius: 99px;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, .05);
  color: var(--text-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
  line-height: 1.5;
}

#auth-area { display: flex; align-items: center; gap: 6px; }

/* Mobile toggle */
.nav-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  margin-left: auto;
}

.nav-mobile-toggle svg { width: 18px; height: 18px; }
.nav-mobile-toggle:hover { background: var(--surface); color: var(--text-primary); }

/* ══════════════════════════════════════════════════════════════
   LAYOUT
   ══════════════════════════════════════════════════════════════ */
.main-content { padding-top: var(--nav-h); min-height: 100vh; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-wrapper { padding: 32px 0 80px; }

/* ── Page Hero ───────────────────────────────────────────────── */
.page-hero {
  padding: 52px 0 44px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(21, 101, 192, .06) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
  background: linear-gradient(135deg, #f1f5ff 0%, var(--ivao-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.page-hero-sub {
  font-size: .9rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ══════════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .855rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: inherit;
  text-decoration: none;
}

.btn svg { width: 15px; height: 15px; flex-shrink: 0; }

.btn-primary {
  background: var(--ivao-blue);
  color: #fff;
  border: 1px solid rgba(66, 165, 245, .2);
}
.btn-primary:hover {
  background: var(--ivao-blue-light);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface-raised);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface-hover); border-color: var(--border-strong); }

.btn-success {
  background: rgba(34, 197, 94, .12);
  color: var(--green);
  border: 1px solid var(--green-border);
}
.btn-success:hover {
  background: rgba(34, 197, 94, .2);
  box-shadow: 0 4px 16px rgba(34, 197, 94, .15);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red-border);
}
.btn-danger:hover {
  background: rgba(239, 68, 68, .18);
  box-shadow: 0 4px 16px rgba(239, 68, 68, .15);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface); color: var(--text-primary); }

.btn-sm { padding: 5px 10px; font-size: .79rem; border-radius: 6px; }
.btn-lg { padding: 10px 22px; font-size: .92rem; }
.btn-full { width: 100%; }

/* ══════════════════════════════════════════════════════════════
   STATS BAR
   ══════════════════════════════════════════════════════════════ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: 99px;
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card.total::before { background: var(--ivao-blue-light); }
.stat-card.upcoming::before { background: var(--yellow); }
.stat-card.live::before { background: var(--green); }
.stat-card.done::before { background: var(--text-muted); }

.stat-card:hover { background: var(--surface-raised); transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card:hover::before { opacity: 1; }

.stat-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-wrap.blue { background: var(--blue-bg); color: var(--ivao-accent); }
.stat-icon-wrap.yellow { background: var(--yellow-bg); color: var(--yellow); }
.stat-icon-wrap.green { background: var(--green-bg); color: var(--green); }
.stat-icon-wrap.gray { background: rgba(255,255,255,.05); color: var(--text-muted); }

.stat-icon-wrap svg { width: 20px; height: 20px; }

.stat-body { min-width: 0; }
.stat-value { font-size: 1.7rem; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.stat-label { font-size: .76rem; color: var(--text-muted); font-weight: 500; margin-top: 3px; text-transform: uppercase; letter-spacing: .04em; }

/* ══════════════════════════════════════════════════════════════
   FILTER BAR
   ══════════════════════════════════════════════════════════════ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-bar-left {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  flex-wrap: wrap;
}

.filter-bar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.filter-btn {
  padding: 6px 13px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: transparent;
  color: var(--text-secondary);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-btn:hover { border-color: var(--border-strong); color: var(--text-primary); background: rgba(255,255,255,.04); }
.filter-btn.active {
  background: rgba(30, 136, 229, .12);
  border-color: var(--border-blue);
  color: var(--ivao-accent);
}

.select-input {
  padding: 7px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .83rem;
  cursor: pointer;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234d6280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.select-input:focus { border-color: var(--ivao-blue-light); outline: none; }

.search-input {
  padding: 7px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .83rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  min-width: 200px;
}

.search-input:focus {
  border-color: var(--ivao-blue-light);
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 136, 229, .1);
}

.search-input::placeholder { color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════
   EVENT CARDS
   ══════════════════════════════════════════════════════════════ */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  animation: cardIn .45s cubic-bezier(.22, 1, .36, 1) both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.event-card:hover {
  border-color: var(--border-blue);
  box-shadow: var(--shadow), 0 0 0 1px rgba(30, 136, 229, .1);
  transform: translateY(-3px);
}

.event-card-img-wrap {
  position: relative;
  height: 165px;
  overflow: hidden;
  background: var(--surface-raised);
}

.event-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.event-card:hover .event-card-img-wrap img { transform: scale(1.04); }

.event-card-route {
  position: absolute;
  bottom: 10px;
  left: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(8, 12, 20, .8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: .76rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: .02em;
}

.event-card-route svg { width: 12px; height: 12px; color: var(--ivao-accent); }

.event-card-body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; gap: 10px; }

.event-card-meta { display: flex; align-items: center; gap: 7px; }

.event-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-card-desc {
  font-size: .83rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.55;
  flex: 1;
}

.event-card-info { display: flex; flex-direction: column; gap: 5px; }

.event-card-info-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .8rem;
  color: var(--text-secondary);
}

.event-card-info-row svg { width: 13px; height: 13px; flex-shrink: 0; color: var(--text-muted); }

/* Slots mini */
.slots-mini {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slots-mini-bar {
  flex: 1;
  height: 5px;
  background: var(--surface-raised);
  border-radius: 99px;
  overflow: hidden;
}

.slots-mini-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--ivao-blue), var(--ivao-accent));
  border-radius: 99px;
  transition: width .5s ease;
}

.slots-mini-label {
  font-size: .75rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 500;
}

.event-card-footer {
  padding: 12px 18px 14px;
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--border-subtle);
}

/* ── Status Pills ─────────────────────────────────────────── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: .73rem;
  font-weight: 600;
  letter-spacing: .02em;
  border: 1px solid transparent;
}

.status-pill .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.status-pill.live {
  background: var(--green-bg);
  color: var(--green);
  border-color: var(--green-border);
}
.status-pill.live .dot { background: var(--green); animation: livePulse 2s ease-in-out infinite; }

.status-pill.upcoming {
  background: var(--yellow-bg);
  color: var(--yellow);
  border-color: var(--yellow-border);
}
.status-pill.upcoming .dot { background: var(--yellow); }

.status-pill.completed {
  background: rgba(255,255,255,.04);
  color: var(--text-muted);
  border-color: var(--border);
}
.status-pill.completed .dot { background: var(--text-muted); }

.type-badge {
  padding: 3px 8px;
  background: var(--blue-bg);
  color: var(--ivao-accent);
  border: 1px solid var(--border-blue);
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 99px;
  font-size: .73rem;
  font-weight: 600;
}
.tag.blue { background: var(--blue-bg); color: var(--ivao-accent); border: 1px solid var(--border-blue); }

/* ══════════════════════════════════════════════════════════════
   EMPTY STATE
   ══════════════════════════════════════════════════════════════ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--text-muted);
}

.empty-state-icon svg { width: 28px; height: 28px; }

.empty-state-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.empty-state-desc { font-size: .875rem; color: var(--text-muted); max-width: 320px; }

/* ══════════════════════════════════════════════════════════════
   SKELETON
   ══════════════════════════════════════════════════════════════ */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-raised) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ══════════════════════════════════════════════════════════════
   EVENT DETAIL
   ══════════════════════════════════════════════════════════════ */
.event-detail-hero {
  position: relative;
  height: 360px;
  overflow: hidden;
}

.event-detail-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.event-detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(8, 12, 20, 1) 0%,
    rgba(8, 12, 20, .9) 25%,
    rgba(8, 12, 20, .5) 55%,
    rgba(8, 12, 20, .15) 100%);
}

.event-detail-hero-content {
  position: absolute;
  bottom: 28px;
  left: 0;
  right: 0;
}

.event-detail-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
  margin-bottom: 10px;
  color: #fff;
}

.event-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  padding: 28px 0 80px;
  align-items: start;
}

/* Detail Cards */
.detail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 16px;
  transition: border-color var(--transition);
}

.detail-card:hover { border-color: var(--border-strong); }

.detail-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.detail-card-title svg { width: 15px; height: 15px; }

/* Info Grid */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.info-item { display: flex; flex-direction: column; gap: 3px; }
.info-label { font-size: .73rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.info-value { font-size: .875rem; font-weight: 500; color: var(--text-primary); }
.info-value.font-mono { font-family: 'SF Mono', 'Fira Code', monospace; letter-spacing: .04em; }

/* Slots Table */
.slots-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .845rem;
}

.slots-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: .73rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.slots-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.slots-table tr:last-child td { border-bottom: none; }
.slots-table tr:hover td { background: rgba(255,255,255,.02); }

.slot-position {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: .82rem;
  font-weight: 600;
  color: var(--ivao-accent);
  background: var(--blue-bg);
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid var(--border-blue);
}

.slot-type-atc {
  padding: 3px 8px;
  background: rgba(168, 85, 247, .1);
  color: var(--purple);
  border-radius: 99px;
  font-size: .73rem;
  font-weight: 600;
  border: 1px solid rgba(168, 85, 247, .2);
}

.slot-type-pilot {
  padding: 3px 8px;
  background: var(--green-bg);
  color: var(--green);
  border-radius: 99px;
  font-size: .73rem;
  font-weight: 600;
  border: 1px solid var(--green-border);
}

.slot-user { display: flex; align-items: center; gap: 7px; }

.slot-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ivao-blue-dark), var(--ivao-blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .65rem;
  font-weight: 700;
  color: #fff;
}

.slot-name { font-size: .83rem; font-weight: 500; }
.slot-empty { font-size: .8rem; color: var(--text-muted); font-style: italic; }
.text-muted { color: var(--text-muted); }

/* Section Gap */
.section-gap { margin-top: 20px; }

/* ══════════════════════════════════════════════════════════════
   FORMS
   ══════════════════════════════════════════════════════════════ */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 18px;
}

.form-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.form-card-title svg { width: 15px; height: 15px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: .01em;
}

.required { color: var(--red); margin-left: 2px; }
.form-hint { font-size: .75rem; color: var(--text-muted); }

.form-input {
  padding: 9px 13px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-input:focus {
  border-color: var(--ivao-blue-light);
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 136, 229, .1);
}

.form-input::placeholder { color: var(--text-muted); }

textarea.form-input {
  min-height: 100px;
  resize: vertical;
  line-height: 1.6;
}

select.form-input {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234d6280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.font-mono { font-family: 'SF Mono', 'Fira Code', monospace !important; letter-spacing: .04em; }

/* Slot Builder */
.slot-builder { display: flex; flex-direction: column; gap: 8px; }

.slot-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.slot-row:hover { border-color: var(--border-strong); }

.slot-row-input { flex: 1; }
.slot-row-type { width: 110px; flex-shrink: 0; }

.slot-row-remove {
  width: 30px;
  height: 30px;
  border: none;
  background: var(--red-bg);
  border-radius: 6px;
  color: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.slot-row-remove:hover { background: rgba(239, 68, 68, .2); }
.slot-row-remove svg { width: 14px; height: 14px; }

.add-slot-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: transparent;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: .83rem;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  justify-content: center;
  transition: all var(--transition);
  font-family: inherit;
}

.add-slot-btn:hover {
  border-color: var(--ivao-blue-light);
  color: var(--ivao-accent);
  background: var(--blue-bg);
}

.add-slot-btn svg { width: 14px; height: 14px; }

/* ══════════════════════════════════════════════════════════════
   TOAST
   ══════════════════════════════════════════════════════════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 360px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(17, 24, 39, .95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: .85rem;
  animation: toastIn .3s cubic-bezier(.22, 1, .36, 1) both;
  pointer-events: all;
  min-width: 280px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px) scale(.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

.toast-exit { animation: toastOut .2s ease forwards; }

@keyframes toastOut {
  to { opacity: 0; transform: translateX(20px) scale(.95); }
}

.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast-icon svg { width: 16px; height: 16px; }

.toast-msg { flex: 1; line-height: 1.5; font-weight: 500; }

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .85rem;
  padding: 0 2px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--transition);
}
.toast-close:hover { color: var(--text-primary); }

.toast.success { border-left: 3px solid var(--green); }
.toast.success .toast-icon { color: var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.error .toast-icon { color: var(--red); }
.toast.info { border-left: 3px solid var(--ivao-blue-light); }
.toast.info .toast-icon { color: var(--ivao-blue-light); }
.toast.warning { border-left: 3px solid var(--yellow); }
.toast.warning .toast-icon { color: var(--yellow); }

/* ══════════════════════════════════════════════════════════════
   MODAL
   ══════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .75);
  backdrop-filter: blur(8px);
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-content {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  animation: modalIn .25s cubic-bezier(.22, 1, .36, 1) both;
  overflow: hidden;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 1rem; font-weight: 700; }

.modal-close {
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--surface-raised); color: var(--text-primary); }
.modal-close svg { width: 16px; height: 16px; }

.modal-body { padding: 20px 22px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
.footer {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(4, 6, 12, 1) 100%);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 24px;
}

.footer-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: .83rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 230px;
}

.footer-heading {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .83rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: all var(--transition);
}

.footer-link:hover { color: var(--ivao-accent); transform: translateX(3px); }

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  font-size: .78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ══════════════════════════════════════════════════════════════
   CALENDAR
   ══════════════════════════════════════════════════════════════ */
.calendar-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.calendar-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.calendar-nav-btn {
  width: 34px;
  height: 34px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  font-size: .8rem;
}

.calendar-nav-btn:hover { background: var(--surface-hover); color: var(--text-primary); border-color: var(--border-strong); }
.calendar-nav-btn svg { width: 16px; height: 16px; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.calendar-day-name {
  text-align: center;
  padding: 10px;
  font-size: .73rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.calendar-day {
  min-height: 90px;
  padding: 8px;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  transition: background var(--transition);
  cursor: default;
}

.calendar-day:nth-child(7n) { border-right: none; }

.calendar-day:hover { background: rgba(30, 136, 229, .04); }

.calendar-day.other-month { opacity: .35; }

.calendar-day.today { background: rgba(30, 136, 229, .06); }

.day-number {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-secondary);
}

.calendar-day.today .day-number {
  background: linear-gradient(135deg, var(--ivao-blue), var(--ivao-blue-light));
  color: #fff;
  box-shadow: 0 2px 8px rgba(30, 136, 229, .4);
}

.day-events { display: flex; flex-direction: column; gap: 2px; }

.day-event-chip {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .68rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: opacity var(--transition);
}

.day-event-chip:hover { opacity: .8; }

.day-event-chip.live { background: var(--green-bg); color: var(--green); border: 1px solid var(--green-border); }
.day-event-chip.upcoming { background: var(--yellow-bg); color: var(--yellow); border: 1px solid var(--yellow-border); }
.day-event-chip.completed { background: rgba(255,255,255,.04); color: var(--text-muted); border: 1px solid var(--border); }

/* ══════════════════════════════════════════════════════════════
   ATC BOOKING
   ══════════════════════════════════════════════════════════════ */
.atc-info-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--blue-bg);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius);
  font-size: .85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.atc-info-banner svg { width: 18px; height: 18px; color: var(--ivao-accent); flex-shrink: 0; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — TABLET
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav-link span { display: none; }
  .live-badge-pilot, .live-badge-atc { display: none; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .event-detail-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .events-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --nav-h: 56px; }

  .nav-container { padding: 0 16px; gap: 10px; }
  .nav-brand-text { display: none; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0; bottom: 0;
    flex-direction: column;
    background: rgba(8, 12, 20, .97);
    backdrop-filter: blur(24px);
    padding: 16px;
    gap: 4px;
    z-index: 999;
    overflow-y: auto;
  }

  .nav-links.open { display: flex; }

  .nav-link {
    padding: 13px 16px;
    font-size: .95rem;
    border-radius: var(--radius);
    width: 100%;
  }

  .nav-link span { display: block; }

  .nav-mobile-toggle { display: flex; }
  .live-badges-group { display: none; }

  .user-menu { max-width: 140px; padding: 2px 10px 2px 3px; }
  .user-menu span { font-size: .78rem; }
  .user-avatar { width: 26px; height: 26px; font-size: .68rem; }
  .nav-btn span { display: none; }
  .nav-btn { padding: 7px 10px; }

  .page-hero { padding: 36px 0 28px; }
  .page-hero-title { font-size: 1.5rem; }

  .stats-bar { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px 16px; }
  .stat-value { font-size: 1.4rem; }

  .events-grid { grid-template-columns: 1fr; gap: 14px; }

  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar-left { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .filter-bar-right { margin-left: 0; }
  .search-input { width: 100%; }

  .event-detail-hero { height: 220px; }
  .event-detail-title { font-size: 1.3rem; }
  .event-detail-layout { padding: 20px 0 60px; gap: 14px; }
  .event-detail-hero-content { padding: 0 16px; bottom: 14px; }

  .slots-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 18px 16px; }

  .calendar-day { min-height: 62px; padding: 5px; }
  .day-event-chip { font-size: .63rem; }
  .day-number { font-size: .7rem; width: 20px; height: 20px; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }

  .container { padding: 0 16px; }
  .page-wrapper { padding: 22px 0 60px; }

  .toast-container { bottom: 16px; right: 16px; left: 16px; max-width: unset; }
  .toast { min-width: unset; width: 100%; }

  .modal-content { border-radius: var(--radius-lg); }
  .modal-overlay { padding: 12px; }
}

@media (max-width: 480px) {
  .page-hero-title { font-size: 1.25rem; }
  .page-hero-sub { font-size: .83rem; }
  .stats-bar { grid-template-columns: 1fr; }
  .stat-card { padding: 12px 14px; gap: 10px; }
  .stat-value { font-size: 1.2rem; }
  .stat-icon-wrap { width: 38px; height: 38px; }
  .stat-icon-wrap svg { width: 18px; height: 18px; }
  .event-card-img-wrap { height: 145px; }
  .calendar-day-name { font-size: .63rem; padding: 6px 2px; }
  .btn-lg { padding: 9px 16px; font-size: .85rem; }
}

/* ══════════════════════════════════════════════════════════════
   PAGE TRANSITIONS
   ══════════════════════════════════════════════════════════════ */
.main-content {
  transition: opacity .18s ease, transform .18s ease;
}

.main-content.page-exit {
  opacity: 0;
  transform: translateY(8px);
}

.main-content.page-enter {
  opacity: 0;
  transform: translateY(12px);
}

.main-content.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .35s cubic-bezier(.22, 1, .36, 1), transform .35s cubic-bezier(.22, 1, .36, 1);
}

/* ══════════════════════════════════════════════════════════════
   ATC BOOKING LANDING PAGE
   ══════════════════════════════════════════════════════════════ */
.atc-landing {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

/* Hero Card */
.atc-hero-card {
  text-align: center;
  padding: 56px 32px 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.atc-hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(21, 101, 192, .12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 110%, rgba(66, 165, 245, .06) 0%, transparent 50%);
  pointer-events: none;
}

.atc-hero-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--ivao-blue-dark), var(--ivao-blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(21, 101, 192, .35);
  animation: heroIconFloat 4s ease-in-out infinite;
}

@keyframes heroIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.atc-hero-icon svg {
  width: 32px;
  height: 32px;
  color: #fff;
}

.atc-hero-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #f1f5ff 30%, var(--ivao-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.atc-hero-desc {
  font-size: .9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 24px;
}

.atc-hero-btn {
  padding: 12px 28px;
  font-size: .95rem;
  box-shadow: var(--shadow-blue);
}

.atc-hero-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(21, 101, 192, .4);
}

/* Quick Links Grid */
.atc-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.atc-link-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.atc-link-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: 99px;
}

.atc-link-card:nth-child(1)::before { background: var(--ivao-blue-light); }
.atc-link-card:nth-child(2)::before { background: var(--green); }
.atc-link-card:nth-child(3)::before { background: var(--purple); }
.atc-link-card:nth-child(4)::before { background: var(--yellow); }

.atc-link-card:hover {
  background: var(--surface-raised);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.atc-link-card:hover::before { opacity: 1; }

.atc-link-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.atc-link-icon svg { width: 20px; height: 20px; }

.atc-link-icon.blue { background: var(--blue-bg); color: var(--ivao-accent); }
.atc-link-icon.green { background: var(--green-bg); color: var(--green); }
.atc-link-icon.purple { background: var(--purple-bg); color: var(--purple); }
.atc-link-icon.yellow { background: var(--yellow-bg); color: var(--yellow); }

.atc-link-body { flex: 1; min-width: 0; }

.atc-link-title {
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.atc-link-desc {
  font-size: .78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.atc-link-arrow {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all var(--transition);
}

.atc-link-card:hover .atc-link-arrow {
  color: var(--ivao-accent);
  transform: translateX(3px);
}

/* ATC Landing Responsive */
@media (max-width: 640px) {
  .atc-links-grid { grid-template-columns: 1fr; }
  .atc-hero-card { padding: 36px 20px 32px; }
  .atc-hero-title { font-size: 1.2rem; }
  .atc-hero-icon { width: 56px; height: 56px; border-radius: 14px; }
  .atc-hero-icon svg { width: 24px; height: 24px; }
}