:root{
  --bg:#0F0A24;--surface:#1A1238;--surface2:#231A4A;--line:#352A68;
  --text:#F5F1FF;--muted:#B8ADE0;--hot:#FF3D9A;--peach:#FFB36B;--violet:#8F6BFF;--ok:#7CF2B5;--bad:#FF7A8A;
  --display:'Unbounded','Arial Black',system-ui,sans-serif;--body:'Onest','Segoe UI',system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.5;padding-bottom:env(safe-area-inset-bottom,0px)}
a{color:var(--peach)}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,textarea:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--peach);outline-offset:2px}
input,textarea,select{width:100%;border-radius:14px;border:1.5px solid var(--line);background:var(--bg);color:var(--text);padding:12px 14px;font:inherit}
textarea{min-height:100px;resize:vertical}
label{font-weight:700;font-size:14px;display:block;margin:12px 0 6px}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;background:rgba(15,10,36,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:env(safe-area-inset-top,0px) max(16px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px))}
.logo{font-family:var(--display);font-weight:800;font-size:18px;display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.logo i{width:24px;height:24px;border-radius:8px;background:conic-gradient(from 200deg,var(--hot),var(--peach),var(--violet),var(--hot))}
.me{display:flex;align-items:center;gap:10px}
.me-btn{display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--muted);font-size:14px}
.adm-link{font-size:14px;font-weight:700;text-decoration:none;padding:8px 12px;border:1.5px solid var(--line);border-radius:999px;color:var(--text)}
.ava{width:36px;height:36px;border-radius:50%;background:linear-gradient(140deg,var(--violet),var(--hot));display:grid;place-items:center;font-weight:800;color:#fff;font-family:var(--display);font-size:14px}
.menu-btn{display:none;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--display);font-weight:700;font-size:14px;padding:13px 20px;border-radius:999px;border:0;text-decoration:none}
.btn-hot{background:linear-gradient(95deg,var(--hot),var(--peach));color:#1a0820}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--text)}
.btn-sm{padding:8px 14px;font-size:12.5px}
.btn[disabled]{opacity:.5;cursor:default}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
.muted{color:var(--muted)}
/* login */
.auth{max-width:440px;margin:8vh auto;padding:0 max(16px,env(safe-area-inset-left,0px))}
.auth .card{padding:28px}
.auth h1{font-family:var(--display);font-size:26px;margin:0 0 8px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px;min-width:0}
.card h2{font-family:var(--display);font-size:17px;margin:0 0 10px}
/* learn */
.app{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 64px)}
aside{border-right:1px solid var(--line);padding:22px 16px;background:var(--surface)}
.prog-card{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:18px}
.prog-card b{font-family:var(--display);font-size:26px}
.pbar{height:10px;border-radius:99px;background:var(--surface2);overflow:hidden;margin-top:10px}
.pbar i{display:block;height:100%;background:linear-gradient(90deg,var(--hot),var(--peach));border-radius:99px;transition:width .4s}
.tariff{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--surface2);color:var(--peach)}
.mod{margin-bottom:10px}
.mod-h{display:flex;justify-content:space-between;gap:8px;font-family:var(--display);font-size:13px;font-weight:600;padding:8px 6px}
.mod-h small{font-family:var(--body);color:var(--muted);font-weight:500}
.les{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:0;border-radius:12px;padding:9px 10px;font-size:14.5px;color:var(--muted)}
.les:hover{background:var(--surface2);color:var(--text)}
.les.cur{background:var(--surface2);color:var(--text);box-shadow:inset 3px 0 0 var(--hot)}
.st{width:20px;height:20px;border-radius:50%;flex:none;border:2px solid var(--line);display:grid;place-items:center;font-size:11px}
.les.done .st{background:var(--ok);border-color:var(--ok);color:#0b2a1a}
.les.lock{opacity:.55}
main{padding:28px max(16px,env(safe-area-inset-right,0px)) 40px 28px;min-width:0}
.crumb{color:var(--peach);font-family:var(--display);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase}
h1.lt{font-family:var(--display);font-weight:800;font-size:clamp(24px,3.4vw,36px);line-height:1.12;margin:8px 0 18px}
.player{border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#000;max-width:980px}
.player video,.player iframe{display:block;width:100%;aspect-ratio:16/9;border:0}
.ph{aspect-ratio:16/9;max-width:100%;display:grid;place-items:center;text-align:center;padding:20px;background:radial-gradient(circle at 30% 30%,rgba(255,61,154,.3),transparent 60%),radial-gradient(circle at 80% 80%,rgba(143,107,255,.35),transparent 60%),#120b2c;color:var(--muted)}
.ph b{display:block;font-family:var(--display);color:var(--text);font-size:20px;margin-bottom:6px}
.grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:18px;margin-top:20px;max-width:980px}
.body-text{white-space:pre-wrap;color:var(--muted);margin:0}
.mat{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:var(--surface2);margin-top:8px;font-size:14.5px;text-decoration:none;color:var(--text)}
.upl{display:flex;align-items:center;justify-content:center;gap:8px;border:1.5px dashed var(--line);border-radius:14px;padding:14px;margin-top:10px;color:var(--muted);font-size:14.5px;cursor:pointer;font-weight:500}
.upl input{display:none}
.hw-item{border-top:1px solid var(--line);padding-top:12px;margin-top:12px}
.status{display:inline-block;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:999px}
.s-sent{background:rgba(255,179,107,.18);color:var(--peach)}.s-checked{background:rgba(124,242,181,.16);color:var(--ok)}.s-redo{background:rgba(255,122,138,.16);color:var(--bad)}
.fb{display:grid;grid-template-columns:40px 1fr;gap:12px;margin-top:12px;padding:14px;border-radius:16px;background:linear-gradient(140deg,rgba(124,242,181,.12),rgba(143,107,255,.10));border:1px solid #3d5d63}
.fb .ava{width:40px;height:40px;background:linear-gradient(140deg,var(--ok),var(--violet))}
.lockbox{max-width:620px;margin-top:10px;padding:28px;border-radius:24px;background:linear-gradient(140deg,rgba(255,61,154,.18),rgba(143,107,255,.14)),var(--surface);border:1px solid var(--line)}
.lockbox h2{font-family:var(--display);font-size:22px;margin:0 0 8px}
/* admin */
.admin{max-width:1180px;margin:0 auto;padding:24px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
.admin h1{font-family:var(--display);font-size:28px;margin:0 0 16px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tab{background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:700;font-size:14px}
.tab.on{background:linear-gradient(95deg,var(--hot),var(--peach));color:#1a0820;border-color:transparent}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:500;background:var(--surface)}
td select{width:auto;padding:8px 10px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px}
.stat b{display:block;font-family:var(--display);font-size:26px;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:13.5px}
.hw-card{display:grid;gap:8px}
.les-edit{display:grid;gap:4px}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--text);color:#1a0820;font-weight:700;padding:12px 18px;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.4);z-index:50;max-width:calc(100% - 32px)}
.empty{padding:26px;text-align:center;color:var(--muted)}
@media (max-width:900px){.app{grid-template-columns:1fr}aside{display:none;border-right:0;border-bottom:1px solid var(--line)}aside.open{display:block}.menu-btn{display:inline-block}.grid2{grid-template-columns:1fr}main{padding:20px max(16px,env(safe-area-inset-right,0px)) 32px max(16px,env(safe-area-inset-left,0px))}.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){#meName{display:none}.adm-link{padding:6px 10px;font-size:12.5px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
[hidden]{display:none!important}
.logo{white-space:nowrap}
@media (max-width:520px){.logo{font-size:15px}.logo i{width:20px;height:20px}.me{gap:6px}.menu-btn{padding:6px 10px;font-size:13px}}

/* offer after marathon lessons */
.offer{margin-top:22px;display:grid;grid-template-columns:1.2fr 1fr;gap:24px;padding:28px;border-radius:24px;background:linear-gradient(130deg,rgba(255,61,154,.20),rgba(255,179,107,.12) 55%,rgba(143,107,255,.20)),var(--surface);border:1.5px solid rgba(255,179,107,.55)}
.offer h2{font-family:var(--display);font-size:clamp(22px,2.6vw,30px);margin:6px 0 10px;line-height:1.15}
.offer p{margin:0 0 14px;color:var(--muted);line-height:1.55}
.offer-k{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--peach);font-weight:700}
.offer-badge{display:inline-block;padding:10px 16px;border-radius:14px;background:rgba(15,10,36,.6);border:1px solid var(--line);font-weight:700}
.offer-badge b{color:var(--peach);font-variant-numeric:tabular-nums;margin-left:4px}
.offer-badge.off{opacity:.7;font-weight:500}
.offer-plans{display:grid;gap:10px;align-content:start}
.op{display:flex;align-items:baseline;gap:10px;padding:12px 16px;border-radius:14px;background:rgba(15,10,36,.55);border:1px solid var(--line)}
.op span{flex:1;font-weight:600}.op s{color:var(--muted);font-size:14px}.op b{font-family:var(--display);font-size:20px;white-space:nowrap}
.op.top{border-color:rgba(255,179,107,.7)}
@media (max-width:800px){.offer{grid-template-columns:1fr}}

.paynote{margin-top:12px;padding:12px 14px;border-radius:14px;background:rgba(15,10,36,.55);border:1px dashed var(--line);font-size:14px;line-height:1.5;color:var(--muted)}
.paynote b{color:var(--text)}
.paynote .btn{margin-top:8px}

.gloss{margin-top:18px;max-width:980px}.gloss h2{margin-top:0}.gloss dl{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px 26px;margin:0}.gloss dt{font-weight:700;color:var(--peach)}.gloss dd{margin:3px 0 0;color:var(--muted);font-size:15px;line-height:1.45}
.agree{display:flex;gap:10px;align-items:flex-start;margin:14px 0 0;font-size:14px;color:var(--muted);line-height:1.45;cursor:pointer}
.agree input{width:20px;height:20px;flex:0 0 20px;margin:1px 0 0;accent-color:var(--hot)}
.vwrap{position:relative;background:#000}
.vwrap video{display:block;width:100%;aspect-ratio:16/9;border:0}
.vwrap:fullscreen,.vwrap:-webkit-full-screen{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.vwrap:fullscreen video,.vwrap:-webkit-full-screen video{width:100%;height:100%;aspect-ratio:auto;object-fit:contain}
.wm{position:absolute;pointer-events:none;color:rgba(255,255,255,.28);font-size:clamp(11px,1.6vw,16px);font-weight:700;letter-spacing:.02em;text-shadow:0 1px 2px rgba(0,0,0,.45);transition:left 1.2s ease,top 1.2s ease;white-space:nowrap;z-index:2}
.fsb{position:absolute;top:10px;right:10px;z-index:3;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(15,10,36,.6);color:#fff;font-size:20px;line-height:1;cursor:pointer}
.paynote a{color:var(--peach)}

/* бонуси і галерея */
.nav-bonus{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:12px;padding:9px 12px;border-radius:12px;background:rgba(255,179,107,.1);border:1px solid rgba(255,179,107,.35);color:var(--text);text-decoration:none;font-size:14px;font-weight:600}
.nav-bonus b{font-family:var(--display);color:var(--peach);font-variant-numeric:tabular-nums}
.nav-gal{display:block;margin:-6px 0 16px;padding:10px 12px;border-radius:12px;border:1px solid var(--line);color:var(--text);text-decoration:none;font-size:14.5px;font-weight:600}
.nav-gal:hover{background:var(--surface2)}
.s-gal{background:rgba(255,179,107,.18);color:var(--peach)}
.s-kind{background:rgba(143,107,255,.18);color:#C9B8FF;margin-left:6px}
.offer-sub{margin:12px 0 0!important;font-size:14px}
.pf-wal .xr-wal{grid-template-columns:1fr}.pf-wal .xr-wal-h{grid-row:auto}.pf-wal .xr-wal-r,.pf-wal .xr-wal-f{grid-column:1}