/* ==========================================================================
   Mail Hall — main stylesheet (shared Evalitic theme)
   ========================================================================== */
:root {
    color-scheme: dark;
    --bg: #06152f;
    --bg2: #0b2448;
    --panel: rgba(128, 183, 255, .065);
    --panel-solid: #102d54;
    --border: rgba(166, 205, 255, .18);
    --text: #f5f9ff;
    --muted: #b1c5df;
    --primary: #398cff;
    --pink: #8fc9ff;
    --amber: #c4e6ff;
    --teal: #75c9ff;
    --danger: #ff5c7a;
    --success: #22d39b;
    --warn: #ffc24b;
    --grad: linear-gradient(120deg, #1254bd 0%, #287eef 55%, #439cfb 100%);
    --header-height: 86px;
    --radius: 18px;
    --shadow: 0 24px 60px -22px rgba(0, 13, 43, .75);
    --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-d: 'Outfit', 'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
    min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden;
    line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-d); line-height: 1.2; margin: 0 0 .5em; }
img { max-width: 100%; }
.container { width: min(1240px, 92%); margin: 0 auto; }
.page { flex: 1; position: relative; z-index: 1; padding-bottom: 60px; }
.muted { color: var(--muted); }
.grad-text { background: linear-gradient(110deg, #fff, #89c5ff 75%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hidden { display: none !important; }

/* Ambient background orbs */
.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-orbs span { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .35; animation: float 18s ease-in-out infinite; }
.bg-orbs span:nth-child(1) { width: 520px; height: 520px; background: #145bcc; top: -160px; left: -120px; }
.bg-orbs span:nth-child(2) { width: 420px; height: 420px; background: #297ee6; top: 30%; right: -140px; animation-delay: -6s; }
.bg-orbs span:nth-child(3) { width: 380px; height: 380px; background: #9bd5ff; bottom: -160px; left: 30%; animation-delay: -12s; opacity: .12; }
@keyframes float { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, -30px) scale(1.08); } }

/* ---------- Top bar ---------- */
.topbar {
    position: sticky; top: 0; z-index: 50; height: var(--header-height); flex-shrink: 0; backdrop-filter: blur(18px) saturate(1.4);
    background: rgba(6, 21, 47, .82); border-bottom: 1px solid var(--border); transition: background .3s, box-shadow .3s;
}
.topbar.scrolled { background: rgba(6, 21, 47, .96); box-shadow: 0 10px 30px -10px #000a; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark img { display: block; width: 82px; height: 44px; object-fit: contain; background: #fff; padding: 5px 7px; border-radius: 8px; box-shadow: 0 6px 16px #0003; transition: transform .3s; }
.brand:hover .brand-mark img { transform: translateY(-2px); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
    font-family: var(--font-d); font-weight: 800; font-size: 1.6rem; letter-spacing: -.5px;
    background: linear-gradient(90deg, #fff, #c6e4ff 40%, #82bdff 70%, #fff);
    background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
    animation: shimmer 6s linear infinite;
}
.brand-tag { font-size: .7rem; color: var(--muted); }
@keyframes shimmer { to { background-position: 200% center; } }

.topnav { display: flex; align-items: center; gap: 6px; }
.topnav > a:not(.btn) { padding: 8px 14px; border-radius: 10px; color: var(--muted); font-weight: 500; transition: .2s; }
.topnav > a:not(.btn):hover, .topnav > a.active { color: #fff; background: var(--panel); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; }

.user-chip { position: relative; display: flex; align-items: center; gap: 10px; padding: 5px 12px 5px 5px; border-radius: 40px; background: var(--panel); border: 1px solid var(--border); cursor: pointer; margin-left: 6px; }
.user-chip-name { display: flex; flex-direction: column; font-size: .88rem; font-weight: 600; line-height: 1.1; }
.user-chip-name small { color: var(--muted); font-weight: 500; font-size: .72rem; }
.user-menu { position: absolute; right: 0; top: calc(100% + 10px); min-width: 210px; background: var(--panel-solid); border: 1px solid var(--border); border-radius: 14px; padding: 8px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: .2s; }
.user-chip:hover .user-menu, .user-chip:focus-within .user-menu { opacity: 1; visibility: visible; transform: none; }
.user-menu a { display: block; padding: 9px 12px; border-radius: 9px; font-size: .9rem; }
.user-menu a:hover { background: var(--panel); }
.user-menu a.danger { color: var(--danger); }

.avatar { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: #fff; font-weight: 700; font-family: var(--font-d); flex-shrink: 0; }
.avatar.sm { width: 32px; height: 32px; font-size: .8rem; }
.avatar.lg { width: 96px; height: 96px; font-size: 2rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px;
    border-radius: 12px; border: 1px solid transparent; font: 600 .95rem var(--font); cursor: pointer;
    transition: transform .2s, box-shadow .2s, background .2s; color: #fff; background: var(--panel); white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 8px 16px; font-size: .86rem; border-radius: 10px; }
.btn-lg { padding: 16px 30px; font-size: 1.05rem; border-radius: 14px; }
.btn-block { width: 100%; }
.btn-glow { background: var(--grad); background-size: 160% auto; box-shadow: 0 5px 0 #093477, 0 12px 30px -10px rgba(57, 140, 255, .7); }
.btn-glow:hover { background-position: right center; box-shadow: 0 7px 0 #093477, 0 18px 34px -8px rgba(57, 140, 255, .7); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-ghost:hover { background: var(--panel); }
.btn-danger { background: rgba(255, 92, 122, .15); color: #ff8ea3; border-color: rgba(255, 92, 122, .35); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-success { background: linear-gradient(120deg, #00c896, #22d39b); }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Flash ---------- */
.flash { margin: 18px 0 0; padding: 14px 18px; border-radius: 14px; display: flex; justify-content: space-between; align-items: center; border: 1px solid; animation: slideDown .4s ease; }
.flash button { background: none; border: 0; color: inherit; font-size: 1.3rem; cursor: pointer; }
.flash-success { background: rgba(34, 211, 155, .12); border-color: rgba(34, 211, 155, .4); color: #8ff0cc; }
.flash-error { background: rgba(255, 92, 122, .12); border-color: rgba(255, 92, 122, .4); color: #ffb3c1; }
.flash-info { background: rgba(57, 140, 255, .12); border-color: rgba(57, 140, 255, .4); color: #c6e4ff; }
.flash-warn { background: rgba(255, 194, 75, .12); border-color: rgba(255, 194, 75, .4); color: #ffe0a1; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 30px; font-size: .72rem; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; }
.badge-live { background: #ff3b5c; color: #fff; animation: pulse 1.6s infinite; }
.badge-open { background: #ffc24b; color: #3a2600; }
.badge-up { background: rgba(255, 255, 255, .9); color: #123b70; }
.badge-ended { background: rgba(0, 0, 0, .45); color: #ccc; }
.badge-closed { background: #444; color: #ddd; }
.badge-success { background: rgba(34, 211, 155, .18); color: #4ff0b8; }
.badge-pending { background: rgba(255, 194, 75, .18); color: #ffd27a; }
.badge-failed { background: rgba(255, 92, 122, .18); color: #ff8ea3; }
.badge-role { background: rgba(57, 140, 255, .2); color: #c6e4ff; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 59, 92, .7); } 50% { box-shadow: 0 0 0 8px rgba(255, 59, 92, 0); } }

/* ---------- Hero ---------- */
.hero { padding: 80px 0 50px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.hero-eyebrow { display: inline-flex; gap: 8px; align-items: center; padding: 6px 14px; border-radius: 40px; background: var(--panel); border: 1px solid var(--border); font-size: .85rem; color: #c6e4ff; margin-bottom: 22px; }
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: #ff3b5c; animation: pulse 1.6s infinite; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; letter-spacing: -1.5px; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 40px; }
.hero-stats b { display: block; font-family: var(--font-d); font-size: 1.9rem; }
.hero-stats span { color: var(--muted); font-size: .85rem; }

.hero-visual { position: relative; height: 420px; perspective: 1200px; }
.hv-card { position: absolute; border-radius: 22px; padding: 18px; background: rgba(16, 45, 84, .92); border: 1px solid var(--border); backdrop-filter: blur(14px); box-shadow: var(--shadow); animation: bob 6s ease-in-out infinite; }
.hv-main { inset: 30px 40px 60px 20px; transform: rotateY(-14deg) rotateX(8deg); display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 10px; padding: 14px; }
.hv-tile { border-radius: 14px; position: relative; display: grid; place-items: center; font-family: var(--font-d); font-size: 1.5rem; font-weight: 700; overflow: hidden; }
.hv-tile:nth-child(1) { background: linear-gradient(135deg, #174b9c, #52a0f4); box-shadow: 0 0 0 2px #bde3ff, 0 0 24px #398cff55; }
.hv-tile:nth-child(2) { background: linear-gradient(135deg, #e1f1ff, #a4cbee); color: #123b70; }
.hv-tile:nth-child(3) { background: linear-gradient(135deg, #236aaf, #75bdf3); }
.hv-tile:nth-child(4) { background: linear-gradient(135deg, #183d78, #3468ad); }
.hv-tile small { color: #fff; }
.hv-tile small { position: absolute; left: 10px; bottom: 8px; font: 600 .7rem var(--font); background: #0007; padding: 3px 8px; border-radius: 6px; }
.hv-bar { position: absolute; left: 50%; bottom: -22px; transform: translateX(-50%); display: flex; gap: 8px; background: #091c39; padding: 8px 12px; border-radius: 40px; border: 1px solid var(--border); }
.hv-bar i { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: #1a3d6c; font-style: normal; font-size: .9rem; }
.hv-bar i.end { background: #ff3b5c; }
.hv-chip { padding: 12px 16px; font-size: .85rem; display: flex; gap: 10px; align-items: center; }
.hv-chip-1 { top: 0; right: 0; animation-delay: -2s; }
.hv-chip-2 { bottom: 10px; left: -10px; animation-delay: -4s; }
@keyframes bob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }

/* ---------- Sections ---------- */
.section { padding: 50px 0 10px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin: 0; }
.section-head p { margin: 4px 0 0; color: var(--muted); }
.eyebrow { font-size: .78rem; letter-spacing: 3px; text-transform: uppercase; color: var(--pink); font-weight: 700; }

/* Tabs / chips */
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.chip { padding: 9px 16px; border-radius: 40px; border: 1px solid var(--border); background: var(--panel); color: var(--muted); cursor: pointer; font: 500 .9rem var(--font); transition: .25s; }
.chip:hover { color: #fff; border-color: rgba(255, 255, 255, .25); }
.chip.active { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 20px -8px rgba(57, 140, 255, .7); }

/* ---------- 3D cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 26px; }
.card-row { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 300px); gap: 24px; overflow-x: auto; padding: 14px 4px 30px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.card-row > * { scroll-snap-align: start; }
.card3d { perspective: 1000px; display: block; }
.card3d-inner {
    position: relative; border-radius: var(--radius); overflow: hidden; background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03));
    border: 1px solid var(--border); transform-style: preserve-3d; transition: transform .25s ease-out, box-shadow .3s;
    transform: rotateX(var(--rx, 0)) rotateY(var(--ry, 0)); box-shadow: var(--shadow); height: 100%;
}
.card3d:hover .card3d-inner { box-shadow: 0 30px 60px -18px rgba(57, 140, 255, .55), 0 0 0 1px rgba(255, 255, 255, .15); }
.card3d-cover { height: 150px; position: relative; display: grid; place-items: center; overflow: hidden; }
.card3d-cover .badge { position: absolute; top: 12px; right: 12px; }
.card3d-icon { font-size: 3.4rem; transform: translateZ(50px); filter: drop-shadow(0 10px 18px rgba(0, 0, 0, .35)); transition: transform .4s; }
.card3d:hover .card3d-icon { transform: translateZ(60px) scale(1.15) rotate(-6deg); }
.card3d-shine { position: absolute; inset: 0; background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .35), transparent 50%); opacity: 0; transition: opacity .3s; }
.card3d:hover .card3d-shine { opacity: 1; }
.card3d-cover::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, rgba(255, 255, 255, .05) 0 10px, transparent 10px 20px); }
.ribbon { position: absolute; top: 14px; left: -34px; z-index: 2; transform: rotate(-35deg); background: linear-gradient(90deg, #ffd86b, #ff9f43); color: #3a2200; font-weight: 800; font-size: .7rem; padding: 4px 40px; letter-spacing: 1px; box-shadow: 0 4px 12px #0005; }
.card3d-body { padding: 18px 18px 16px; transform: translateZ(25px); }
.card3d-cat { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card3d-body h3 { font-size: 1.15rem; margin: 0 0 8px; min-height: 2.4em; }
.card3d-meta { font-size: .82rem; color: var(--muted); margin-bottom: 12px; }
.card3d-mentor { display: flex; align-items: center; gap: 10px; font-size: .88rem; font-weight: 600; }
.card3d-mentor small { display: block; color: var(--muted); font-weight: 500; font-size: .72rem; }
.card3d-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); }
.price { font-family: var(--font-d); font-weight: 800; font-size: 1.25rem; }
.seats { font-size: .78rem; color: var(--muted); }

/* Category tiles */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 18px; }
.cat-tile {
    position: relative; padding: 24px 18px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border);
    overflow: hidden; cursor: pointer; transition: transform .35s cubic-bezier(.2, 1.4, .4, 1), box-shadow .3s; text-align: left;
    font: inherit; color: inherit;
}
.cat-tile::before { content: ''; position: absolute; inset: auto -40% -60% auto; width: 160px; height: 160px; border-radius: 50%; background: var(--c); opacity: .25; filter: blur(30px); transition: .4s; }
.cat-tile:hover { transform: translateY(-8px) rotateX(8deg); box-shadow: 0 24px 40px -18px var(--c); }
.cat-tile:hover::before { opacity: .55; transform: scale(1.3); }
.cat-tile .ic { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.cat-tile b { font-family: var(--font-d); font-size: 1.1rem; display: block; }
.cat-tile span { font-size: .82rem; color: var(--muted); }
.cat-tile.active { border-color: var(--c); box-shadow: 0 0 0 2px var(--c) inset; }

/* Reveal animation */
.reveal { transition: opacity .7s ease var(--d, 0ms), transform .7s cubic-bezier(.2, .9, .3, 1.2) var(--d, 0ms); }
.motion-ready .reveal:not(.in) { opacity: 0; transform: translateY(30px) scale(.97); }
.reveal.in { opacity: 1; transform: none; }

.empty { padding: 40px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: var(--radius); }

/* CTA band */
.cta-band { margin-top: 60px; padding: 46px; border-radius: 26px; background: var(--grad); display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; position: relative; overflow: hidden; }
.cta-band::after { content: ''; position: absolute; width: 400px; height: 400px; right: -100px; top: -200px; border-radius: 50%; background: rgba(255, 255, 255, .15); }
.cta-band h2 { font-size: 2rem; margin: 0; }
.cta-band .btn { background: #fff; color: #103777; position: relative; z-index: 1; }

/* ---------- Panels, forms ---------- */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; backdrop-filter: blur(10px); }
.panel h2, .panel h3 { margin-top: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.form-grid .full { grid-column: 1 / -1; }
label.lbl { display: block; font-size: .85rem; font-weight: 600; color: #d7e8ff; margin-bottom: 6px; }
.input, select.input, textarea.input {
    width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: rgba(0, 0, 0, .25);
    color: var(--text); font: 500 .95rem var(--font); transition: border-color .2s, box-shadow .2s; outline: none;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(57, 140, 255, .2); }
select.input option { background: var(--panel-solid); }
textarea.input { min-height: 100px; resize: vertical; }
.input-hint { font-size: .78rem; color: var(--muted); margin-top: 4px; }
.check { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--primary); }
.form-actions { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.errors { background: rgba(255, 92, 122, .1); border: 1px solid rgba(255, 92, 122, .35); color: #ffb3c1; padding: 12px 16px; border-radius: 12px; margin-bottom: 18px; }
.errors ul { margin: 0; padding-left: 18px; }

/* Auth */
.auth-wrap { display: grid; place-items: center; padding: 60px 0; }
.auth-card { width: min(460px, 94%); position: relative; }
.auth-card.wide { width: min(640px, 94%); }
.auth-card .panel { padding: 36px; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 2rem; text-align: center; }
.auth-card .sub { text-align: center; color: var(--muted); margin-bottom: 24px; }
.auth-card .field { margin-bottom: 16px; }
.demo-box { margin-top: 20px; font-size: .82rem; color: var(--muted); background: rgba(0, 0, 0, .2); border-radius: 12px; padding: 12px 14px; }
.demo-box code { color: #b7dcff; }

/* ---------- Dashboards ---------- */
.dash-head { padding: 40px 0 20px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.dash-head h1 { font-size: 2.1rem; margin: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 30px; }
.stat { padding: 22px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); position: relative; overflow: hidden; }
.stat::after { content: ''; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px; border-radius: 50%; background: var(--c, var(--primary)); opacity: .2; filter: blur(10px); }
.stat .ic { font-size: 1.6rem; }
.stat b { display: block; font-family: var(--font-d); font-size: 2rem; margin-top: 6px; }
.stat span { color: var(--muted); font-size: .85rem; }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 24px; overflow-x: auto; }
.tab { padding: 12px 18px; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; cursor: pointer; background: none; border-top: 0; border-left: 0; border-right: 0; font-family: var(--font); font-size: .95rem; white-space: nowrap; }
.tab.active { color: #fff; border-bottom-color: var(--pink); }
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeUp .4s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } }

.list-card { display: flex; gap: 18px; align-items: center; padding: 18px; border-radius: 16px; background: var(--panel); border: 1px solid var(--border); margin-bottom: 14px; transition: .25s; }
.list-card:hover { border-color: rgba(255, 255, 255, .2); transform: translateX(4px); }
.list-card .lc-icon { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; font-size: 1.9rem; flex-shrink: 0; }
.list-card .lc-main { flex: 1; min-width: 0; }
.list-card .lc-main h3 { font-size: 1.1rem; margin: 0 0 4px; }
.list-card .lc-main div { font-size: .85rem; color: var(--muted); }
.list-card .lc-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.countdown { font-family: var(--font-d); font-weight: 700; color: #ffd27a; font-size: .9rem; }

/* ---------- Admin ---------- */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; gap: 28px; padding-top: 30px; }
.admin-side { position: sticky; top: 100px; align-self: start; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.admin-side a { display: flex; gap: 10px; align-items: center; padding: 11px 14px; border-radius: 11px; color: var(--muted); font-weight: 500; margin-bottom: 2px; }
.admin-side a:hover { background: var(--panel); color: #fff; }
.admin-side a.active { background: var(--grad); color: #fff; }
.admin-side .side-title { font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); padding: 8px 14px; }
.admin-main h1 { font-size: 1.9rem; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.toolbar form { display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar .input { width: auto; min-width: 180px; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--panel); }
table.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th { text-align: left; padding: 14px 16px; font-size: .75rem; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); background: rgba(0, 0, 0, .2); white-space: nowrap; }
.tbl td { padding: 14px 16px; border-top: 1px solid var(--border); vertical-align: middle; }
.tbl tr:hover td { background: rgba(255, 255, 255, .025); }
.tbl .actions { display: flex; gap: 8px; justify-content: flex-end; white-space: nowrap; }
.tbl form { display: inline; }

.member-picker { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 12px; padding: 8px; background: rgba(0, 0, 0, .2); display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px; }
.member-picker label { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 9px; cursor: pointer; font-size: .88rem; }
.member-picker label:hover { background: var(--panel); }
.member-picker small { color: var(--muted); display: block; font-size: .75rem; }

/* ---------- Classroom detail ---------- */
.cls-hero { margin-top: 30px; border-radius: 26px; padding: 50px; position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
.cls-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 21, 47, .95), rgba(6, 21, 47, .5)); }
.cls-hero > * { position: relative; }
.cls-hero h1 { font-size: 2.6rem; }
.cls-info { display: flex; flex-wrap: wrap; gap: 12px; margin: 18px 0; }
.cls-info span { background: rgba(0, 0, 0, .35); border: 1px solid var(--border); padding: 8px 14px; border-radius: 30px; font-size: .88rem; }
.cls-buy { background: rgba(9, 28, 57, .9); border: 1px solid var(--border); border-radius: 20px; padding: 26px; backdrop-filter: blur(10px); align-self: start; }
.cls-buy .price { font-size: 2.2rem; display: block; margin-bottom: 4px; }

/* ---------- Checkout ---------- */
.checkout { display: grid; grid-template-columns: 1fr 380px; gap: 28px; padding-top: 34px; align-items: start; }
.pay-methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 22px; }
.pay-method { padding: 16px; border-radius: 14px; border: 1px solid var(--border); background: rgba(0, 0, 0, .2); cursor: pointer; text-align: center; transition: .25s; font: 600 .9rem var(--font); color: var(--text); }
.pay-method .ic { font-size: 1.7rem; display: block; margin-bottom: 4px; }
.pay-method.active { border-color: var(--primary); background: rgba(124, 108, 255, .15); box-shadow: 0 0 0 3px rgba(124, 108, 255, .25); }
.pay-pane { display: none; }
.pay-pane.active { display: block; animation: fadeUp .35s; }

.card-visual { width: 100%; max-width: 380px; aspect-ratio: 1.586; perspective: 1000px; margin: 0 auto 24px; }
.card-visual-inner { position: relative; width: 100%; height: 100%; transition: transform .7s cubic-bezier(.3, 1.4, .5, 1); transform-style: preserve-3d; }
.card-visual.flip .card-visual-inner { transform: rotateY(180deg); }
.cv-face { position: absolute; inset: 0; border-radius: 18px; padding: 22px; backface-visibility: hidden; background: linear-gradient(135deg, #3a2fb8, #ff6b9a 120%); box-shadow: 0 24px 50px -16px rgba(124, 108, 255, .8); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.cv-face::before { content: ''; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(255, 255, 255, .1); top: -150px; right: -100px; }
.cv-back { transform: rotateY(180deg); padding: 22px 0; }
.cv-chip { width: 46px; height: 34px; border-radius: 8px; background: linear-gradient(135deg, #ffe08a, #c99a2e); }
.cv-num { font-family: 'Courier New', monospace; font-size: 1.35rem; letter-spacing: 2px; text-shadow: 0 2px 4px #0006; }
.cv-row { display: flex; justify-content: space-between; font-size: .8rem; text-transform: uppercase; }
.cv-row small { display: block; opacity: .7; font-size: .62rem; }
.cv-brand { font-weight: 800; font-style: italic; font-size: 1.3rem; position: relative; }
.cv-strip { height: 44px; background: #111; margin-top: 10px; }
.cv-cvv { margin: 18px 22px; background: #fff; color: #222; text-align: right; padding: 8px 12px; border-radius: 6px; font-family: monospace; }

.upi-box { display: grid; grid-template-columns: 170px 1fr; gap: 22px; align-items: center; }
.upi-qr { width: 170px; height: 170px; background: #fff; border-radius: 14px; padding: 10px; }
.upi-apps { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.upi-apps span { padding: 6px 12px; border-radius: 8px; background: var(--panel); font-size: .8rem; border: 1px solid var(--border); }

.summary-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: .92rem; }
.summary-row.total { font-family: var(--font-d); font-size: 1.3rem; font-weight: 800; border: 0; }
.secure-note { font-size: .8rem; color: var(--muted); display: flex; gap: 8px; align-items: center; margin-top: 14px; }
.sandbox-note { font-size: .8rem; background: rgba(255, 194, 75, .1); border: 1px solid rgba(255, 194, 75, .3); border-radius: 12px; padding: 12px 14px; color: #ffe0a1; margin-top: 18px; }
.sandbox-note code { color: #fff; }

/* Processing overlay */
.processing { position: fixed; inset: 0; z-index: 200; background: rgba(8, 7, 20, .88); display: none; place-items: center; backdrop-filter: blur(6px); }
.processing.show { display: grid; }
.processing .box { text-align: center; }
.spinner { width: 70px; height: 70px; border-radius: 50%; border: 5px solid rgba(255, 255, 255, .1); border-top-color: var(--pink); border-right-color: var(--primary); animation: spin 0.9s linear infinite; margin: 0 auto 20px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Payment result */
.result-card { width: min(560px, 94%); margin: 60px auto; text-align: center; }
.result-icon { width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 22px; font-size: 3.4rem; position: relative; }
.result-icon.success { background: radial-gradient(circle, #22d39b, #0c8f68); box-shadow: 0 0 0 14px rgba(34, 211, 155, .15), 0 0 60px rgba(34, 211, 155, .5); animation: pop .7s cubic-bezier(.2, 1.8, .4, 1); }
.result-icon.pending { background: radial-gradient(circle, #ffc24b, #c48a12); box-shadow: 0 0 0 14px rgba(255, 194, 75, .15); }
.result-icon.pending::after { content: ''; position: absolute; inset: -10px; border-radius: 50%; border: 3px dashed #ffc24b; animation: spin 6s linear infinite; }
.result-icon.failed { background: radial-gradient(circle, #ff5c7a, #b0213d); box-shadow: 0 0 0 14px rgba(255, 92, 122, .15); animation: shake .5s; }
@keyframes pop { from { transform: scale(0); } }
@keyframes shake { 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
.receipt { text-align: left; margin-top: 20px; }
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 300; overflow: hidden; }
.confetti i { position: absolute; top: -20px; width: 10px; height: 16px; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(110vh) rotate(720deg); } }

/* ---------- Footer ---------- */
.site-footer { position: relative; z-index: 1; margin-top: 40px; }
.footer-wave svg { display: block; width: 100%; height: 90px; }
.footer-wave .w1 { fill: rgba(57, 140, 255, .25); animation: wave 10s ease-in-out infinite alternate; }
.footer-wave .w2 { fill: #081c38; }
@keyframes wave { to { transform: translateX(-40px) scaleY(1.15); } }
.footer-body { background: #081c38; padding: 30px 0 34px; position: relative; overflow: hidden; }
.footer-body::before { content: ''; position: absolute; width: 600px; height: 600px; left: 50%; top: -300px; transform: translateX(-50%); background: radial-gradient(circle, rgba(57, 140, 255, .12), transparent 60%); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 40px; position: relative; }
.footer-grid h4 { font-size: 1rem; margin-bottom: 14px; color: #fff; }
.footer-grid > div > a { display: block; color: var(--muted); padding: 5px 0; transition: .2s; font-size: .92rem; }
.footer-grid > div > a:hover { color: #fff; transform: translateX(6px); }
.footer-brand p { color: var(--muted); font-size: .92rem; margin: 16px 0; max-width: 320px; }
.socials { display: flex; gap: 10px; }
.socials a { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--panel); border: 1px solid var(--border); font-weight: 700; transition: .3s; }
.socials a:hover { background: var(--grad); transform: translateY(-4px) rotate(-8deg); }
.footer-news p { color: var(--muted); font-size: .9rem; }
.news-form { display: flex; gap: 8px; background: rgba(0, 0, 0, .3); border: 1px solid var(--border); padding: 6px; border-radius: 14px; }
.news-form input { flex: 1; background: none; border: 0; outline: 0; color: #fff; padding: 0 10px; font: inherit; min-width: 0; }
.news-ok { padding: 8px 12px; color: #8ff0cc; }
.pay-icons { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.pay-icons span { font-size: .7rem; font-weight: 700; padding: 5px 9px; border-radius: 6px; background: rgba(255, 255, 255, .08); color: #cfcbef; letter-spacing: .5px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0; margin-top: 36px; border-top: 1px solid var(--border); color: var(--muted); font-size: .85rem; flex-wrap: wrap; position: relative; }
.footer-ticker { display: flex; gap: 18px; }
.footer-ticker span { animation: glow 3s ease-in-out infinite; }
.footer-ticker span:nth-child(2) { animation-delay: .75s; }
.footer-ticker span:nth-child(3) { animation-delay: 1.5s; }
.footer-ticker span:nth-child(4) { animation-delay: 2.25s; }
@keyframes glow { 0%, 100% { color: var(--muted); } 50% { color: #fff; text-shadow: 0 0 12px rgba(57, 140, 255, .8); } }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero-grid, .cls-hero, .checkout { grid-template-columns: 1fr; }
    .hero-visual { height: 340px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-side { position: static; display: flex; overflow-x: auto; gap: 4px; }
    .admin-side .side-title { display: none; }
    .admin-side a { white-space: nowrap; }
}
@media (max-width: 760px) {
    .nav-toggle { display: block; }
    .topnav { position: fixed; top: var(--header-height); left: 0; right: 0; flex-direction: column; align-items: stretch; background: #091c39; padding: 16px; border-bottom: 1px solid var(--border); display: none; }
    body.nav-open .topnav { display: flex; }
    .user-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; margin-top: 8px; }
    .user-chip { flex-wrap: wrap; }
    .form-grid { grid-template-columns: 1fr; }
    .pay-methods { grid-template-columns: 1fr; }
    .upi-box { grid-template-columns: 1fr; justify-items: center; }
    .cls-hero { padding: 28px; }
    .footer-grid { grid-template-columns: 1fr; }
    .list-card { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
}

/* ---------- Blue architectural theme ---------- */
body { background-image: linear-gradient(145deg, #06152f, #0b2951 65%, #071a36); }
:focus-visible { outline: 3px solid #a4d5ff; outline-offset: 4px; }
section[id] { scroll-margin-top: calc(var(--header-height) + 24px); }
.brand-lockup { display: flex; align-items: center; gap: 22px; min-width: 0; }
.brand { flex-shrink: 0; }
.brand-tag { margin-top: 5px; line-height: 1.4; }
.brand-mark { flex-shrink: 0; }
.copyright-watermark {
    position: fixed; right: max(10px, env(safe-area-inset-right)); bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 9998; padding: 5px 10px; border: 1px solid rgba(173, 211, 255, .2); border-radius: 5px;
    background: rgba(5, 23, 49, .88); color: #d3e6fb; font: 500 10px/1.4 var(--font);
    letter-spacing: .15px; pointer-events: none; user-select: none;
}
.hero { padding: 92px 0 100px; isolation: isolate; }
.hero-grid { position: relative; z-index: 1; }
.hero-grid > * { min-width: 0; }
.hero h1 { font-size: clamp(2.6rem, 4.7vw, 4.4rem); line-height: 1.08; letter-spacing: -2px; }
.hero p.lead { line-height: 1.85; font-size: 1rem; }
.hero-geometry { position: absolute; inset: 0; overflow: hidden; z-index: -1; pointer-events: none; }
.hero-geometry::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(#a7d8ff08 1px, transparent 1px), linear-gradient(90deg, #a7d8ff08 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, transparent, #000); }
.orbit { position: absolute; width: 480px; height: 480px; border: 1px solid #7bbdff30; border-radius: 50%; right: -60px; top: 20px; box-shadow: inset 0 0 70px #398cff0a; }
.orbit-two { width: 640px; height: 640px; right: -140px; top: -60px; border-style: dashed; opacity: .6; }
.glass-cross { position: absolute; width: 120px; height: 120px; top: 12%; left: 44%; background: linear-gradient(135deg, #d7edff77, #398cff11); clip-path: polygon(34% 0, 66% 0, 66% 34%, 100% 34%, 100% 66%, 66% 66%, 66% 100%, 34% 100%, 34% 66%, 0 66%, 0 34%, 34% 34%); rotate: -22deg; filter: drop-shadow(0 12px 10px #0005); }
.glass-square { position: absolute; width: 85px; height: 85px; border: 14px solid #91caff26; border-radius: 18px; right: 7%; bottom: 8%; rotate: 28deg; box-shadow: 12px 12px 0 #03102b33; }
[data-parallax] { translate: 0 var(--parallax-y, 0px); }
.hero-stats { gap: 0; }
.hero-stats > div { padding: 0 28px; border-right: 1px solid var(--border); }
.hero-stats > div:first-child { padding-left: 0; }
.hero-stats > div:last-child { border-right: 0; }
.hero-stats b { color: #fff; }
.visual-label { position: absolute; top: -12px; left: 34px; font-size: .63rem; font-weight: 600; letter-spacing: 2px; color: #badcff; }
.visual-label .dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #9ed5ff; margin-right: 6px; box-shadow: 0 0 14px #9ed5ff; }
.hv-main { border: 5px solid #cfe7ff; box-shadow: 12px 14px 0 #143b6b, 22px 32px 65px #0007, 0 0 60px #398cff22; }
.hv-main::before { content: ''; position: absolute; inset: -20px; border: 1px solid #8bc6ff22; border-radius: 32px; z-index: -1; }
.hv-chip { background: #f4f9ff; color: #163d6d; border-color: #fff; box-shadow: 0 15px 40px #0004, 0 4px 0 #93b9dd; }
.section-cross { position: relative; isolation: isolate; padding: 85px 0; margin: 20px 0 35px; color: #102f59; }
.section-cross::before { content: ''; position: absolute; inset: 0; z-index: -2; background: #f3f8ff; clip-path: polygon(0 7%, 100% 0, 100% 93%, 0 100%); }
.section-cross::after { content: ''; position: absolute; inset: -10px 0; z-index: -3; background: linear-gradient(105deg, #1d5db6, #7bbfff); clip-path: polygon(0 0, 100% 9%, 100% 100%, 0 91%); }
.section-cross .eyebrow { color: #205eb0; }
.section-cross .stat { background: #fff; border-color: #d6e5f7; box-shadow: 0 6px 0 #dce8f7, 0 18px 32px -24px #123e6b88; }
.section-cross .stat span { color: #4a6382; }
.section-cross .stat .step-number { position: absolute; right: 18px; top: 14px; font: 800 2.2rem var(--font-d); color: #d6e6f8; }
.section-cross .stat::after { display: none; }
.section-cross .stat .ic { display: inline-grid; place-items: center; width: 48px; height: 48px; background: #eaf3ff; border: 1px solid #d6e8ff; border-radius: 13px; margin-bottom: 12px; }
.section-cross .stat b { margin-bottom: 12px; }
.section-cross .stat span:last-child { display: block; line-height: 1.8; }
.panel, .stat, .list-card, .table-wrap, .admin-side { box-shadow: inset 0 1px 0 #ffffff0d, 0 14px 35px -24px #000a; }
.stat::after { background: #398cff; border-radius: 20px; rotate: 35deg; filter: none; opacity: .1; }
.stat { transition: transform .3s, box-shadow .3s; }
.stat:hover { transform: perspective(900px) translateY(-6px) rotateX(3deg); box-shadow: 0 20px 38px -20px #0008; }
.cta-band { border: 1px solid #9bccff66; box-shadow: 0 8px 0 #123a76, 0 25px 55px -22px #0009; border-radius: 6px 32px 6px 32px; }
.cta-band::after { border-radius: 0; transform: rotate(35deg); pointer-events: none; }
.auth-wrap { position: relative; isolation: isolate; min-height: 65vh; }
.auth-wrap::before, .auth-wrap::after { content: ''; position: absolute; z-index: -1; pointer-events: none; width: min(240px, 40vw); aspect-ratio: 1; border: 1px solid #9bcfff26; background: linear-gradient(140deg, #398cff22, transparent); border-radius: 32px; rotate: -25deg; }
.auth-wrap::before { top: 8%; left: 14%; }
.auth-wrap::after { bottom: 8%; right: 14%; rotate: 25deg; }
.auth-card .panel { background: linear-gradient(150deg, #163961ee, #0b2245f5); border-top-color: #b7dcff66; box-shadow: 0 8px 0 #071a37, 0 35px 70px -24px #000b; }
.admin-main, .admin-layout > *, .footer-grid > * { min-width: 0; }
.tbl th { background: #081e3b; }
.input { background: #071d3c; }
.input::placeholder { color: #a0b7d3; }
.footer-wave { height: 80px; position: relative; }
.footer-wave svg { height: 80px; }
.footer-wave::before { content: ''; position: absolute; inset: 0; background: #2b75cc; clip-path: polygon(0 55%, 100% 0, 100% 30%, 0 80%); opacity: .35; }
.footer-ticker { flex-wrap: wrap; }
@media (hover: none) {
    .stat:hover, .card3d-inner { transform: none; }
}
@media (max-width: 1100px) and (min-width: 761px) {
    .brand-lockup { gap: 12px; }
    .topnav > a:not(.btn) { padding: 8px 10px; }
}
@media (max-width: 760px) {
    .brand-lockup { gap: 10px; }
    .brand { gap: 7px; }
    .brand-name { font-size: 1.3rem; }
    .brand-mark img { width: 66px; height: 38px; padding: 4px 5px; }
    .brand-tag { font-size: .6rem; }
    .topbar-inner { gap: 6px; }
    .nav-toggle { padding: 4px; }
    .hero { padding: 52px 0 64px; }
    .hero-grid { gap: 46px; }
    .hero h1 { letter-spacing: -1px; }
    .hero-cta .btn { white-space: normal; text-align: center; }
    .hero-stats > div { padding: 0 20px; }
    .hero-visual { height: 350px; }
    .hv-main { inset: 40px 25px 60px 14px; }
    .hv-chip { font-size: .72rem; padding: 10px; }
    .hv-chip-2 { left: 0; }
    .glass-cross { left: 72%; width: 70px; height: 70px; }
    .section-cross { padding: 75px 0; }
    .section-cross .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .section-cross .stat { padding: 18px; }
    .cta-band { padding: 28px; }
    .auth-card .panel { padding: 26px; }
    .copyright-watermark { font-size: 9px; }
}
@media (max-width: 380px) {
    .section-cross .stat-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    [data-parallax] { translate: none !important; }
    .motion-ready .reveal:not(.in) { opacity: 1; transform: none; }
    .stat:hover, .card3d-inner { transform: none; }
}

/* ---------- Content protection (members & mentors) ---------- */
body.protected { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
body.protected input, body.protected textarea, body.protected select { -webkit-user-select: text; user-select: text; }
.wm-layer { position: fixed; inset: 0; pointer-events: none; z-index: 9990; background-repeat: repeat; }
.wm-float { position: absolute; font: 600 13px/1.2 Inter, sans-serif; color: rgba(255, 255, 255, .22); text-shadow: 0 1px 2px rgba(0, 0, 0, .5); white-space: nowrap; transition: left 1.2s ease, top 1.2s ease; transform: rotate(-8deg); }
.privacy-shield { display: none; position: fixed; inset: 0; z-index: 9999; background: #000; color: #fff; place-items: center; text-align: center; cursor: pointer; }
.privacy-shield div { display: grid; gap: 8px; padding: 24px; }
.privacy-shield b { font-size: 1.4rem; }
.privacy-shield span { opacity: .7; }
body.shielded .privacy-shield { display: grid; }
body.shielded video { visibility: hidden; }
@media print {
    body.protected * { display: none !important; }
    body.protected::after { content: 'Printing is disabled for this content.'; display: block; padding: 40px; }
}