/* Gyan Ganga Online Academy — brand palette derived from logo + hero
 * Primary navy:   #0D3B66  (logo border, "GYANGANGA ONLINE ACADEMY" text)
 * Accent saffron: #F77F00  (logo flame)
 * Warm gold:      #FCBF49
 * Soft blue:      #E6EEF7  (hero background tone)
 * Ink:            #1A2332
 */

:root {
    --gg-primary: #0D3B66;
    --gg-primary-dark: #082544;
    --gg-primary-light: #1f5c95;
    --gg-accent: #F77F00;
    --gg-accent-dark: #d56b00;
    --gg-gold: #FCBF49;
    --gg-soft: #E6EEF7;
    --gg-ink: #1A2332;
    --gg-muted: #6c757d;
    --gg-bg: #f8f9fb;
}

/* ---------- Bootstrap overrides ---------- */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    color: var(--gg-ink);
    background: var(--gg-bg);
}

a { color: var(--gg-primary); }
a:hover { color: var(--gg-accent); }

.btn-primary {
    background-color: var(--gg-primary);
    border-color: var(--gg-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--gg-primary-dark);
    border-color: var(--gg-primary-dark);
}

.btn-accent {
    background-color: var(--gg-accent);
    border-color: var(--gg-accent);
    color: #fff;
}
.btn-accent:hover, .btn-accent:focus {
    background-color: var(--gg-accent-dark);
    border-color: var(--gg-accent-dark);
    color: #fff;
}

.btn-outline-primary {
    color: var(--gg-primary);
    border-color: var(--gg-primary);
}
.btn-outline-primary:hover {
    background-color: var(--gg-primary);
    color: #fff;
}

.text-primary { color: var(--gg-primary) !important; }
.text-accent { color: var(--gg-accent) !important; }
.bg-primary { background-color: var(--gg-primary) !important; }
.bg-accent { background-color: var(--gg-accent) !important; }
.bg-soft { background-color: var(--gg-soft) !important; }

/* ---------- Navbar ---------- */
.gg-navbar {
    background: #ffffff;
    border-bottom: 1px solid rgba(13, 59, 102, .08);
    box-shadow: 0 2px 12px rgba(13, 59, 102, .04);
}
.gg-navbar .navbar-brand {
    font-weight: 700;
    color: var(--gg-primary);
    letter-spacing: .2px;
}
.gg-navbar .navbar-brand img {
    height: 44px;
    width: auto;
    margin-right: .55rem;
}
.gg-navbar .nav-link {
    color: var(--gg-ink);
    font-weight: 500;
    padding-left: 1rem;
    padding-right: 1rem;
}
.gg-navbar .nav-link:hover,
.gg-navbar .nav-link.active {
    color: var(--gg-accent);
}

/* ---------- Hero ---------- */
.gg-hero {
    background: linear-gradient(135deg, var(--gg-primary) 0%, var(--gg-primary-light) 100%);
    color: #fff;
    padding: 4.5rem 0 5.5rem;
    position: relative;
    overflow: hidden;
}
.gg-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 90% 10%, rgba(252,191,73,.18), transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(247,127,0,.16), transparent 40%);
    pointer-events: none;
}
.gg-hero h1 {
    font-weight: 800;
    line-height: 1.1;
    font-size: clamp(2rem, 4vw, 3.25rem);
}
.gg-hero .lead { color: rgba(255,255,255,.9); }
.gg-hero .hero-image {
    border-radius: 18px;
    box-shadow: 0 30px 60px rgba(0,0,0,.25);
    border: 4px solid rgba(255,255,255,.1);
}

/* ---------- Section heading ---------- */
.section-heading {
    margin-bottom: 2.25rem;
}
.section-heading .eyebrow {
    color: var(--gg-accent);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: .8rem;
}
.section-heading h2 {
    color: var(--gg-primary);
    font-weight: 700;
    margin-top: .25rem;
}

/* ---------- Course card ---------- */
.course-card {
    border: 1px solid rgba(13, 59, 102, .1);
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    transition: transform .25s ease, box-shadow .25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(13, 59, 102, .12);
}
.course-card .thumb {
    aspect-ratio: 16/9;
    background: var(--gg-soft) center/cover no-repeat;
}
.course-card .body {
    padding: 1.1rem 1.15rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    flex: 1;
}
.course-card .badge-cat {
    background: var(--gg-soft);
    color: var(--gg-primary);
    font-weight: 600;
    font-size: .72rem;
    align-self: flex-start;
}
.course-card h5 {
    color: var(--gg-ink);
    font-weight: 700;
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.35;
}
.course-card .price {
    color: var(--gg-accent);
    font-weight: 800;
    font-size: 1.15rem;
}
.course-card .actions {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ---------- Feature cards ---------- */
.feature-tile {
    background: #fff;
    border-radius: 14px;
    padding: 1.5rem;
    border: 1px solid rgba(13, 59, 102, .08);
    height: 100%;
}
.feature-tile .icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--gg-soft);
    color: var(--gg-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: .9rem;
}
.feature-tile h6 {
    color: var(--gg-primary);
    font-weight: 700;
    margin-bottom: .35rem;
}

/* ---------- Auth card ---------- */
.auth-wrap {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(13,59,102,.95), rgba(13,59,102,.75)),
        center/cover no-repeat;
}
.auth-card {
    border-radius: 18px;
    border: none;
    box-shadow: 0 20px 50px rgba(13, 59, 102, .25);
}
.auth-card .auth-logo {
    height: 72px;
    margin-bottom: 1rem;
}

/* ---------- Footer ---------- */
.gg-footer {
    background: var(--gg-primary-dark);
    color: rgba(255,255,255,.85);
    padding: 3rem 0 1.25rem;
}
.gg-footer h6 { color: #fff; font-weight: 700; }
.gg-footer a { color: rgba(255,255,255,.78); text-decoration: none; }
.gg-footer a:hover { color: var(--gg-gold); }
.gg-footer .divider {
    border-top: 1px solid rgba(255,255,255,.1);
    margin-top: 2rem;
    padding-top: 1rem;
    color: rgba(255,255,255,.6);
    font-size: .9rem;
}

/* ---------- Admin panel ---------- */
.admin-shell { min-height: 100vh; display: flex; }
.admin-sidebar {
    width: 250px;
    background: var(--gg-primary-dark);
    color: rgba(255,255,255,.85);
    padding: 1.25rem 0;
    flex-shrink: 0;
}
.admin-sidebar .brand {
    color: #fff;
    font-weight: 700;
    padding: .25rem 1.5rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: flex; align-items: center; gap: .55rem;
}
.admin-sidebar .brand img { height: 36px; }
.admin-sidebar a {
    display: flex; align-items: center; gap: .65rem;
    padding: .7rem 1.5rem;
    color: rgba(255,255,255,.78);
    text-decoration: none;
    font-weight: 500;
}
.admin-sidebar a:hover, .admin-sidebar a.active {
    background: rgba(255,255,255,.06);
    color: #fff;
    border-left: 3px solid var(--gg-accent);
    padding-left: calc(1.5rem - 3px);
}
.admin-main {
    flex: 1;
    background: #f4f6fa;
    min-width: 0;
}
.admin-topbar {
    background: #fff;
    padding: .85rem 1.5rem;
    border-bottom: 1px solid rgba(13, 59, 102, .08);
    display: flex; justify-content: space-between; align-items: center;
}
.admin-content { padding: 1.5rem; }

.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem;
    border-left: 4px solid var(--gg-primary);
}
.stat-card.accent { border-left-color: var(--gg-accent); }
.stat-card.gold { border-left-color: var(--gg-gold); }
.stat-card.success { border-left-color: #198754; }
.stat-card .label {
    color: var(--gg-muted);
    text-transform: uppercase;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.stat-card .value {
    color: var(--gg-primary);
    font-weight: 800;
    font-size: 1.85rem;
    margin-top: .35rem;
}

/* ---------- Misc ---------- */
.badge-status {
    text-transform: uppercase;
    font-size: .68rem;
    letter-spacing: .5px;
    padding: .35em .65em;
}
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gg-muted);
}

@media (max-width: 768px) {
    .admin-sidebar { width: 70px; }
    .admin-sidebar .brand span,
    .admin-sidebar a span { display: none; }
}