:root {
    --vac-navy: #0a1628;
    --vac-navy-light: #131f35;
    --vac-amber: #f0a030;
    --vac-amber-dark: #d48a1a;
    --vac-slate: #f4f6f9;
    --vac-gray: #6c757d;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--vac-slate);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.vac-nav {
    background: var(--vac-navy) !important;
    box-shadow: 0 2px 15px rgba(0,0,0,.3);
}
.vac-nav .navbar-brand {
    font-size: 1.4rem;
    letter-spacing: 1px;
}
.btn-amber {
    background: var(--vac-amber);
    color: #000;
    border: none;
    font-weight: 600;
    transition: all .2s;
}
.btn-amber:hover {
    background: var(--vac-amber-dark);
    color: #000;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(240,160,48,.3);
}
.btn-outline-amber {
    border: 2px solid var(--vac-amber);
    color: var(--vac-amber);
    font-weight: 600;
    background: transparent;
    transition: all .2s;
}
.btn-outline-amber:hover {
    background: var(--vac-amber);
    color: #000;
    transform: translateY(-1px);
}

/* Hero */
.vac-hero {
    background: linear-gradient(135deg, var(--vac-navy) 0%, #1a2a4a 50%, var(--vac-navy) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.vac-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(240,160,48,.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(240,160,48,.05) 0%, transparent 60%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-2%, -2%); }
}
.vac-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
}
.vac-hero .hero-tagline {
    font-size: clamp(1rem, 2vw, 1.3rem);
    opacity: .85;
}
.vac-hero .hero-callsign {
    display: inline-block;
    background: rgba(240,160,48,.15);
    color: var(--vac-amber);
    padding: .35rem 1rem;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Feature cards */
.vac-feature-card {
    background: #fff;
    border: none;
    border-radius: 16px;
    transition: all .3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.vac-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,.1);
}
.vac-feature-card .icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    background: rgba(240,160,48,.12);
    color: var(--vac-amber);
}

/* Stats */
.vac-stat {
    text-align: center;
    padding: 1.5rem;
}
.vac-stat .number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--vac-amber);
    line-height: 1;
}
.vac-stat .label {
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: .7;
    margin-top: .3rem;
}

/* Footer */
.vac-footer {
    background: var(--vac-navy);
    color: rgba(255,255,255,.7);
}

/* Cards */
.vac-card {
    background: #fff;
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
    transition: box-shadow .2s;
}
.vac-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
}

/* Status badges */
.badge-vfr {
    background: #0d6efd;
    color: #fff;
}
.badge-ifr {
    background: #6610f2;
    color: #fff;
}

/* Live pilot */
.live-pilot-item {
    border-left: 3px solid transparent;
    padding: .75rem 1rem;
    transition: background .15s;
}
.live-pilot-item:hover {
    background: rgba(240,160,48,.05);
}
.live-pilot-item .callsign {
    font-weight: 700;
    font-family: 'Courier New', monospace;
}
.live-pilot-item.airborne {
    border-left-color: #198754;
}
.live-pilot-item.ground {
    border-left-color: var(--vac-amber);
}

/* Dashboard */
.dashboard-header {
    background: linear-gradient(135deg, var(--vac-navy) 0%, #1a2a4a 100%);
    color: #fff;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp .5s ease forwards;
}
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

/* Section */
.section-title {
    font-weight: 700;
    margin-bottom: .5rem;
}
.section-subtitle {
    color: var(--vac-gray);
    margin-bottom: 2rem;
}

/* Live ticker */
.live-ticker {
    background: rgba(0,0,0,.3);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(240,160,48,.2);
    border-bottom: 1px solid rgba(240,160,48,.2);
    overflow: hidden;
    white-space: nowrap;
    padding: .6rem 0;
}
.live-ticker-content {
    display: inline-block;
    animation: ticker 30s linear infinite;
}
.live-ticker-content span {
    margin-right: 3rem;
    color: rgba(255,255,255,.8);
    font-size: .9rem;
}
.live-ticker-content .ticker-callsign {
    color: var(--vac-amber);
    font-weight: 700;
}
@keyframes ticker {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Flight info */
.flight-route {
    font-family: 'Courier New', monospace;
    font-size: .85rem;
    background: var(--vac-slate);
    padding: .5rem .75rem;
    border-radius: 8px;
}

/* Distance badge */
.distance-badge {
    background: var(--vac-navy);
    color: #fff;
    font-size: .75rem;
    padding: .15rem .6rem;
    border-radius: 50px;
}

/* Airport search autocomplete */
.airport-search-wrapper {
    position: relative;
}
.airport-results {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1050;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 0 0 8px 8px;
    max-height: 240px;
    overflow-y: auto;
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
}
.airport-results.show {
    display: block;
}
.airport-result-item {
    padding: .5rem .75rem;
    cursor: pointer;
    transition: background .1s;
    border-bottom: 1px solid #f0f0f0;
    font-size: .9rem;
}
.airport-result-item:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
}
.airport-result-item:hover {
    background: rgba(240,160,48,.1);
}
.airport-result-item.disabled {
    color: var(--vac-gray);
    cursor: default;
}

/* Responsive tables */
.table-responsive-cards {
    @media (max-width: 767px) {
        thead { display: none; }
        tr {
            display: block;
            margin-bottom: 1rem;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: .5rem;
        }
        td {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: .4rem .5rem;
            border: none;
        }
        td::before {
            content: attr(data-label);
            font-weight: 600;
            color: var(--vac-gray);
            font-size: .8rem;
            text-transform: uppercase;
            letter-spacing: .5px;
        }
    }
}