:root{
  --bg:#08111f;--bg2:#0d1728;--panel:rgba(255,255,255,.08);--panel2:rgba(255,255,255,.12);--text:#edf4ff;--muted:#9fb0c8;--line:rgba(255,255,255,.13);--brand:#37d6ff;--brand2:#7c3cff;--ok:#31d67b;--warn:#ffbf47;--danger:#ff5b72;--shadow:0 28px 80px rgba(0,0,0,.35);--radius:26px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top left,#10294d 0,#08111f 34%,#07101d 100%);color:var(--text);min-height:100vh;overflow-x:hidden}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}button,input,select,textarea{font:inherit}.orb{position:fixed;filter:blur(70px);opacity:.33;pointer-events:none;z-index:-1;border-radius:999px}.orb-a{width:360px;height:360px;top:-90px;left:-80px;background:#1aa9ff}.orb-b{width:420px;height:420px;right:-110px;top:260px;background:#873cff}.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:18px auto 0;padding:12px 16px;width:min(1180px,calc(100% - 28px));border:1px solid var(--line);border-radius:24px;background:rgba(8,17,31,.76);backdrop-filter:blur(18px);box-shadow:0 18px 60px rgba(0,0,0,.22)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,var(--brand),var(--brand2));font-weight:900;color:white;box-shadow:0 12px 30px rgba(55,214,255,.25)}.brand b{display:block;line-height:1}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.nav{display:flex;align-items:center;gap:10px}.nav a{padding:10px 13px;border-radius:14px;color:#cfddf4}.nav a:hover,.nav a.active{background:rgba(255,255,255,.08);color:white}.nav-toggle{display:none;border:0;background:var(--panel);color:white;border-radius:14px;padding:9px 12px}.main-shell{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:34px 0 60px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:16px;padding:11px 16px;background:rgba(255,255,255,.07);color:white;cursor:pointer;font-weight:750;transition:.2s}.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.12)}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));border:0;box-shadow:0 16px 40px rgba(55,214,255,.18)}.btn-ghost{background:transparent}.btn-glass{background:rgba(255,255,255,.09)}.btn-xl{padding:15px 22px;border-radius:18px}.btn-small{padding:8px 11px;border-radius:12px;font-size:13px}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:34px;align-items:center;min-height:620px}.eyebrow{display:inline-flex;align-items:center;gap:10px;color:#bcd0f0;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:850}.eyebrow span{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 7px rgba(55,214,255,.13)}h1,h2,h3,p{margin-top:0}.hero-copy h1,.page-hero h1,.course-hero h1,.dashboard-hero h1{font-size:clamp(38px,6vw,78px);line-height:.96;letter-spacing:-.06em;margin:18px 0 20px}.hero-copy p,.page-hero p,.course-hero p,.dashboard-hero p{font-size:18px;line-height:1.7;color:var(--muted);max-width:720px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;max-width:610px}.trust-row div,.dash-stats div,.admin-stats div{border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.07);padding:18px}.trust-row b,.dash-stats b,.admin-stats b{display:block;font-size:28px}.trust-row span,.dash-stats span,.admin-stats span{color:var(--muted);font-size:13px}.hero-panel{position:relative;min-height:480px}.player-mock{position:absolute;inset:40px 20px 30px 0;border-radius:38px;border:1px solid rgba(255,255,255,.16);background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.06));box-shadow:var(--shadow);overflow:hidden}.player-mock:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 45%,rgba(55,214,255,.28),transparent 31%),linear-gradient(120deg,rgba(124,60,255,.18),transparent)}.player-top{position:relative;display:flex;gap:7px;padding:22px}.player-top span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5)}.play-core{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);backdrop-filter:blur(12px);font-size:40px}.wave-bars{position:absolute;left:34px;right:34px;bottom:70px;display:flex;align-items:end;gap:10px;height:80px}.wave-bars i{flex:1;border-radius:999px;background:linear-gradient(180deg,var(--brand),var(--brand2));opacity:.78}.wave-bars i:nth-child(1){height:35%}.wave-bars i:nth-child(2){height:72%}.wave-bars i:nth-child(3){height:48%}.wave-bars i:nth-child(4){height:88%}.wave-bars i:nth-child(5){height:62%}.wave-bars i:nth-child(6){height:42%}.mock-caption{position:absolute;left:34px;bottom:30px;color:#d9e8ff}.floating-card{position:absolute;z-index:2}.floating-card.one{right:0;top:40px}.floating-card.two{left:-10px;bottom:62px}.metric-card{padding:18px 20px;border-radius:22px;border:1px solid var(--line);background:rgba(8,17,31,.8);backdrop-filter:blur(15px);box-shadow:0 22px 50px rgba(0,0,0,.25)}.metric-card b{font-size:26px;display:block}.metric-card span{color:var(--muted);font-size:13px}.section{padding:58px 0}.section-head{margin-bottom:24px}.section-head h2{font-size:clamp(30px,4vw,52px);line-height:1;letter-spacing:-.04em;margin:12px 0}.section-head.split{display:flex;align-items:end;justify-content:space-between;gap:20px}.link-arrow{color:#a9dbff;font-weight:800}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card,.course-card,.module-box,.auth-card,.auth-side,.checkout-card,.note-box,.admin-panel,.learning-card,.playlist-panel{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.07);backdrop-filter:blur(14px);box-shadow:0 20px 70px rgba(0,0,0,.18)}.feature-card{padding:24px}.feature-card .icon{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;font-weight:900;margin-bottom:20px}.feature-card p,.course-body p,.module-box p,.auth-side p,.note-box p{color:var(--muted);line-height:1.65}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{overflow:hidden}.course-cover{height:190px;position:relative;overflow:hidden;background:#101b2c}.course-cover img{width:100%;height:50%;object-fit:cover;opacity:.94;transition:.4s}.course-card:hover img{transform:scale(1.04)}.course-cover span{position:absolute;top:-44px;left:14px;background:rgba(8,17,31,.76);border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800}.course-body{padding:20px}.course-meta,.course-tags{display:flex;gap:8px;flex-wrap:wrap;color:#bcd0f0;font-size:12px}.course-meta span,.course-tags span,.badge{border:1px solid var(--line);background:rgba(255,255,255,.07);border-radius:999px;padding:6px 9px}.course-body h3{font-size:21px;margin:13px 0 8px}.course-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}.course-bottom b{font-size:20px}.page-hero.compact{padding:48px 0 26px}.filter-bar{display:grid;grid-template-columns:1fr 230px auto;gap:12px;margin-bottom:24px}.filter-bar input,.filter-bar select,.stack-form input,.stack-form select,.stack-form textarea,.inline-editor input,.inline-editor select,.mini-filter input,.mini-filter select{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.08);color:white;border-radius:16px;padding:14px 15px;outline:none}.filter-bar option,.stack-form option,.inline-editor option{background:#111c2d}.empty-state{border:1px dashed var(--line);border-radius:24px;padding:30px;color:var(--muted);text-align:center;background:rgba(255,255,255,.05)}.course-hero{display:grid;grid-template-columns:1fr 420px;gap:26px;align-items:start;padding:46px 0}.preview-card{border:1px solid var(--line);background:rgba(255,255,255,.07);border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}.preview-card video,.preview-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#000}.price-strip{display:flex;justify-content:space-between;padding:20px}.price-strip span{color:var(--muted)}.price-strip b{font-size:28px}.program-list{display:grid;gap:16px}.module-box{padding:22px}.module-head small{color:var(--brand);font-weight:900;text-transform:uppercase;letter-spacing:.1em}.module-head h3{margin:6px 0 8px;font-size:28px}.lesson-list{display:grid;gap:10px;margin-top:16px}.lesson-row{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.05)}.lesson-row:hover{background:rgba(255,255,255,.1)}.lesson-row.locked{opacity:.68}.lesson-play{width:40px;height:40px;border-radius:14px;background:rgba(55,214,255,.14);display:grid;place-items:center}.lesson-row small,.learning-card small,.data-table small{display:block;color:var(--muted);margin-top:4px}.lesson-row em{font-style:normal;color:var(--muted);font-size:13px}.auth-layout,.checkout-layout{display:grid;grid-template-columns:minmax(0,520px) 1fr;gap:22px;align-items:stretch;padding:54px 0}.auth-layout.single{grid-template-columns:minmax(0,540px);justify-content:center}.auth-card,.auth-side,.checkout-card{padding:30px}.auth-card h1,.checkout-card h1{font-size:42px;letter-spacing:-.04em;margin:12px 0}.stack-form{display:grid;gap:15px}.stack-form label{display:grid;gap:8px;color:#dce8fb;font-weight:750}.muted{color:var(--muted);line-height:1.65}.code-input{text-align:center;font-size:34px!important;letter-spacing:.3em;font-weight:900}.inline-form{margin-top:18px}.link-button,.link-danger{border:0;background:transparent;color:#9cdfff;cursor:pointer;font-weight:800}.link-danger{color:#ff8a9a}.alert{padding:14px 16px;border-radius:16px;margin:12px 0;border:1px solid var(--line)}.alert-success{background:rgba(49,214,123,.12);color:#baf5d2}.alert-warning{background:rgba(255,191,71,.12);color:#ffe0a3}.alert-danger{background:rgba(255,91,114,.13);color:#ffc0c8}.dashboard-hero{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:48px 0 20px}.dash-stats,.admin-stats{display:grid;grid-template-columns:repeat(2,150px);gap:12px}.admin-stats{grid-template-columns:repeat(4,1fr);margin:20px 0}.learning-list{display:grid;gap:16px}.learning-card{display:grid;grid-template-columns:180px 1fr auto;gap:20px;align-items:center;padding:16px}.learning-card img{height:120px;width:180px;border-radius:20px;object-fit:cover;background:#101b2c}.progress{height:10px;background:rgba(255,255,255,.09);border-radius:999px;overflow:hidden;margin:16px 0 8px}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:999px}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;padding:32px 0}.breadcrumb{color:var(--muted);margin-bottom:14px}.secure-player{position:relative;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:#000;box-shadow:var(--shadow)}.secure-player video{width:100%;aspect-ratio:16/9;background:#000}.watermark{position:absolute;right:18px;top:18px;color:rgba(255,255,255,.42);font-weight:800;font-size:13px;pointer-events:none;text-shadow:0 2px 12px rgba(0,0,0,.7)}.lesson-info{padding:24px 0}.lesson-info h1{font-size:38px;letter-spacing:-.04em;margin-bottom:10px}.lesson-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.note-box{padding:22px}.playlist-panel{padding:18px;align-self:start;position:sticky;top:110px}.playlist-item{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:12px;border-radius:16px;border:1px solid transparent}.playlist-item:hover,.playlist-item.active{background:rgba(255,255,255,.09);border-color:var(--line)}.playlist-item.locked{opacity:.6}.checkout-price{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:22px;padding:18px;margin:22px 0;background:rgba(255,255,255,.06)}.checkout-price b{font-size:30px}.admin-nav{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 22px}.admin-nav a{padding:10px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.06);color:#d4e4fb}.admin-nav a.active{background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;border:0}.admin-panel{padding:22px;margin-bottom:18px;overflow:auto}.admin-panel.narrow{max-width:820px;margin-inline:auto}.data-table{width:100%;border-collapse:separate;border-spacing:0 10px}.data-table th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em;padding:0 12px}.data-table td{background:rgba(255,255,255,.055);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 12px;vertical-align:middle}.data-table td:first-child{border-left:1px solid var(--line);border-radius:16px 0 0 16px}.data-table td:last-child{border-right:1px solid var(--line);border-radius:0 16px 16px 0}.table-actions{display:flex!important;gap:8px;align-items:center;flex-wrap:wrap}.table-actions form{display:inline-flex;gap:8px;align-items:center}.badge.pending{background:rgba(255,191,71,.16);color:#ffe0a3}.badge.completed{background:rgba(49,214,123,.15);color:#bcffd7}.badge.failed{background:rgba(255,91,114,.15);color:#ffc0c8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:10px}.check input{width:auto!important}.inline-editor{display:grid;grid-template-columns:1.2fr 1fr 120px auto;gap:10px;margin-bottom:20px}.mini-filter{display:flex;gap:10px}.admin-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}code{background:rgba(255,255,255,.08);border:1px solid var(--line);padding:3px 6px;border-radius:8px;color:#bfe8ff}
@media (max-width:980px){.hero-grid,.course-hero,.auth-layout,.checkout-layout,.player-layout{grid-template-columns:1fr}.hero-panel{min-height:420px}.feature-grid,.course-grid{grid-template-columns:repeat(2,1fr)}.filter-bar{grid-template-columns:1fr}.dashboard-hero{display:block}.dash-stats,.admin-stats{grid-template-columns:repeat(2,1fr);margin-top:20px}.learning-card{grid-template-columns:120px 1fr}.learning-card .btn{grid-column:1/-1}.learning-card img{width:120px;height:100px}.playlist-panel{position:static}.admin-grid-2{grid-template-columns:1fr}.inline-editor{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}}
@media (max-width:720px){.site-header{align-items:flex-start}.nav-toggle{display:block}.nav{display:none;position:absolute;left:12px;right:12px;top:72px;flex-direction:column;align-items:stretch;padding:12px;border:1px solid var(--line);border-radius:18px;background:#0b1525}.nav.open{display:flex}.hero-grid{min-height:auto;padding-top:30px}.hero-copy h1,.page-hero h1,.course-hero h1,.dashboard-hero h1{font-size:42px}.trust-row,.feature-grid,.course-grid{grid-template-columns:1fr}.player-mock{inset:20px 0}.floating-card{display:none}.section{padding:34px 0}.section-head.split{display:block}.lesson-row{grid-template-columns:auto 1fr}.lesson-row em{grid-column:2}.auth-card,.auth-side,.checkout-card,.admin-panel{padding:20px;border-radius:22px}.learning-card{grid-template-columns:1fr}.learning-card img{width:100%;height:170px}.admin-stats{grid-template-columns:1fr}.data-table{font-size:14px}.data-table th:nth-child(n+4),.data-table td:nth-child(n+4){display:none}.course-cover{height:210px}.lesson-info h1{font-size:30px}.main-shell{padding-top:18px}.brand small{display:none}}
.site-footer{width:min(1180px,calc(100% - 28px));margin:0 auto 26px;padding:24px;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.06);display:flex;justify-content:space-between;gap:20px;color:#d5e4f8}.site-footer p{margin:8px 0 0;color:var(--muted)}.footer-links{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.footer-links a{color:#a9dbff;font-weight:800}.question-box{border:1px solid var(--line);border-radius:20px;padding:18px;background:rgba(255,255,255,.05)}.question-box legend{padding:0 8px;font-weight:900}.answer-option{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:10px;padding:10px;border-radius:14px;background:rgba(255,255,255,.04);margin-top:8px}.answer-option input{width:auto!important}@media(max-width:720px){.site-footer{display:block}.footer-links{margin-top:16px}}

.text-block{white-space:normal;line-height:1.7}.text-block br{display:block;content:"";margin-top:.35em}.stack-form textarea,.inline-editor textarea{min-height:96px;resize:vertical}

/* Kaspi receipt workflow */
.kaspi-checkout .alert { margin: 18px 0; }
.receipt-upload input { position: absolute; opacity: 0; pointer-events: none; }
.receipt-upload label {
    display: grid;
    gap: 8px;
    padding: 22px;
    border: 1px dashed rgba(255,255,255,.28);
    border-radius: 22px;
    background: rgba(255,255,255,.07);
    cursor: pointer;
    transition: .2s ease;
}
.receipt-upload label:hover { transform: translateY(-2px); border-color: rgba(125,211,252,.75); background: rgba(125,211,252,.09); }
.receipt-upload strong { font-size: 18px; }
.receipt-upload span, .receipt-upload em { color: var(--muted); font-style: normal; }
.clean-steps { display: grid; gap: 12px; padding-left: 20px; color: var(--muted); }
.clean-steps b { color: var(--text); }
.payment-review-list { display: grid; gap: 18px; }
.payment-review-card {
    display: grid;
    grid-template-columns: 1.3fr 280px;
    gap: 18px;
    padding: 18px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 24px;
    background: rgba(255,255,255,.06);
}
.payment-topline { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.receipt-preview-box {
    min-height: 190px;
    border-radius: 20px;
    background: rgba(0,0,0,.22);
    border: 1px solid rgba(255,255,255,.1);
    overflow: hidden;
    display: grid;
    place-items: center;
}
.receipt-image-link, .receipt-image-link img { width: 100%; height: 100%; display: block; }
.receipt-image-link img { object-fit: cover; }
.receipt-pdf, .receipt-empty { padding: 18px; text-align: center; color: var(--text); }
.payment-actions-form { grid-column: 1 / -1; display: grid; gap: 12px; }
.payment-actions-form textarea { width: 100%; }
.student-payments { display: grid; gap: 12px; }
.student-payment-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
}
.student-payment-card small { display: block; color: var(--muted); margin-top: 4px; }
.badge.pending { background: rgba(251,191,36,.15); color: #fbbf24; }
.badge.completed { background: rgba(34,197,94,.15); color: #4ade80; }
.badge.failed { background: rgba(248,113,113,.15); color: #f87171; }
@media (max-width: 760px) {
    .payment-review-card { grid-template-columns: 1fr; }
    .receipt-preview-box { min-height: 220px; }
    .student-payment-card { align-items: flex-start; flex-direction: column; }
}

/* HLS secure player additions */
.secure-player {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    background: radial-gradient(circle at 30% 20%, rgba(20,184,166,.20), rgba(2,6,23,.96) 55%);
}
.secure-player video {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
    background: #020617;
}
.player-shield {
    position: absolute;
    left: 18px;
    bottom: 18px;
    z-index: 5;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(2, 6, 23, .68);
    border: 1px solid rgba(255,255,255,.16);
    color: rgba(255,255,255,.86);
    font-size: 12px;
    pointer-events: none;
    backdrop-filter: blur(10px);
}
.player-error {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    text-align: center;
    background: rgba(2,6,23,.92);
    color: #fff;
    font-weight: 700;
}
.lesson-editor small {
    display: block;
    margin-top: 7px;
    color: var(--muted, #94a3b8);
    line-height: 1.45;
}
@media (max-width: 720px) {
    .player-shield {
        left: 10px;
        bottom: 10px;
        max-width: calc(100% - 20px);
        font-size: 10px;
    }
}