:root{--bg:#0b0610;--bg2:#120a18;--surface:#1a0f22;--line:#2e1b3a;--magenta:#ff1f8e;--pink:#ff5cb4;--violet:#8a3ffc;--blue:#4f5bff;
--text:#f8eef6;--muted:#bba7c2;--ok:#3ddc97;--r:16px;--font:'DM Sans',system-ui,sans-serif;--head:'Bricolage Grotesque','DM Sans',sans-serif}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.55 var(--font);-webkit-font-smoothing:antialiased}
body{min-height:100vh;padding-bottom:env(safe-area-inset-bottom)}
body:before{content:"";position:fixed;inset:-20vh -20vw auto;height:70vh;background:radial-gradient(55% 50% at 80% 10%,rgba(255,31,142,.16),transparent 70%),radial-gradient(45% 40% at 0% 0%,rgba(79,91,255,.14),transparent 70%);pointer-events:none;z-index:-1}
a{color:var(--pink)}h1,h2,h3{font-family:var(--head);line-height:1.1;letter-spacing:-.02em;margin:0 0 .4em}
h1{font-size:clamp(1.7rem,4vw,2.4rem)}h2{font-size:1.4rem}h3{font-size:1.08rem}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(14px + env(safe-area-inset-top)) 18px 14px;max-width:1100px;margin:0 auto}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1}
.neon-word{font:600 1.7rem/1 'Urbanist',sans-serif;letter-spacing:-.015em;color:#fff4fa;-webkit-text-stroke:.5px rgba(255,160,210,.9);text-shadow:0 0 2px #fff,0 0 8px rgba(255,92,180,.95),0 0 18px var(--magenta),0 0 40px rgba(255,31,142,.6)}
.brand small{font:600 .58rem/1 'Urbanist',sans-serif;letter-spacing:.5em;color:#ffe3f1;text-shadow:0 0 8px rgba(255,31,142,.9);margin-top:5px;padding-left:.2em}
.top nav{display:flex;gap:16px}.top nav a{color:var(--muted);text-decoration:none;font-size:.95rem}.top nav a.on{color:var(--text)}
main{max-width:1100px;margin:0 auto;padding:8px 18px 60px}
.loading{padding:60px 0;text-align:center;color:var(--muted)}
.muted{color:var(--muted)}.small{font-size:.86rem}.center{text-align:center}
.kicker{font:700 .74rem/1.2 var(--font);letter-spacing:.16em;text-transform:uppercase;color:var(--pink);margin:0 0 10px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.auth{max-width:430px;margin:24px auto}
.auth .panel{box-shadow:0 0 0 1px rgba(255,31,142,.35),0 0 40px rgba(138,63,252,.18)}
label{display:block;font-size:.88rem;color:var(--muted);margin-bottom:12px}
input,select,textarea{display:block;width:100%;margin-top:6px;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:13px 14px;font:inherit}
input:focus{border-color:var(--pink);outline:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:14px 22px;font:700 1rem/1.1 var(--font);cursor:pointer;text-decoration:none}
.btn-main{background:linear-gradient(135deg,var(--magenta),#d90a7a 55%,var(--violet));color:#fff;box-shadow:0 8px 26px rgba(255,31,142,.4)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line)}.btn-block{width:100%}.btn-sm{padding:9px 14px;font-size:.88rem}
.btn:disabled{opacity:.6;cursor:wait}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--pink);outline-offset:3px}
.err{color:#ff8fb0;min-height:1.2em;font-size:.9rem;margin:2px 0 10px}.okmsg{color:var(--ok)}
.links{display:flex;justify-content:space-between;gap:10px;margin-top:16px;font-size:.9rem;flex-wrap:wrap}
.install{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,rgba(255,31,142,.18),rgba(138,63,252,.18));border:1px solid rgba(255,31,142,.45);border-radius:var(--r);padding:14px 16px;margin:6px 0 22px}
.install img{width:44px;height:44px;border-radius:12px}.install div{flex:1}.install p{margin:0;font-size:.88rem;color:var(--muted)}.install b{display:block}
.install .close{background:none;border:0;color:var(--muted);font-size:1.4rem;cursor:pointer}
.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:18px}
.course{position:relative;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;min-height:190px;overflow:hidden}
.course:after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(255,31,142,.35),transparent 70%)}
.course p{color:var(--muted);margin:0 0 auto}
.bar{height:6px;border-radius:9px;background:var(--line);overflow:hidden;margin-top:14px}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--magenta),var(--violet))}
.course .meta{display:flex;justify-content:space-between;font-size:.84rem;color:var(--muted);margin-top:6px}
.course.locked{opacity:.75}.lock{display:inline-block;background:var(--line);border-radius:6px;padding:3px 8px;font-size:.76rem;color:var(--muted)}
.back{display:inline-flex;gap:6px;align-items:center;color:var(--muted);text-decoration:none;font-size:.92rem;margin:4px 0 14px}
.module{border:1px solid var(--line);border-radius:14px;margin-bottom:10px;background:var(--surface);overflow:hidden}
.module summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;gap:10px}
.module summary::-webkit-details-marker{display:none}.module summary span{color:var(--muted);font-weight:500;font-size:.86rem;white-space:nowrap}
.lessons{list-style:none;margin:0;padding:0 8px 8px}
.lessons a{display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:10px;text-decoration:none;color:var(--text)}
.lessons a:hover,.lessons a.cur{background:rgba(255,31,142,.1)}
.dot{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:.7rem}
.dot.done{background:var(--ok);border-color:var(--ok);color:#06130d}.dot.done:after{content:"✓";font-weight:700}
.lessons small{margin-left:auto;color:var(--muted);white-space:nowrap}
.soon{color:var(--muted);font-size:.88rem;padding:6px 18px 14px}
.player-wrap{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
.player{position:relative;background:#000;border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;box-shadow:0 0 0 1px rgba(255,31,142,.35)}
.player video{width:100%;height:100%;display:block;background:#000}
.wm{position:absolute;pointer-events:none;color:rgba(255,255,255,.22);font-size:.78rem;font-weight:700;letter-spacing:.04em;transition:top 2s,left 2s;white-space:nowrap;text-shadow:0 1px 2px rgba(0,0,0,.5)}
.novideo{display:grid;place-items:center;height:100%;color:var(--muted);text-align:center;padding:20px}
.lesson-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.descr{white-space:pre-wrap;color:#e2d3e6}
.side{max-height:calc(100vh - 120px);overflow:auto;position:sticky;top:12px}
@media(max-width:900px){.player-wrap{grid-template-columns:1fr}.side{position:static;max-height:none}main{padding-inline:12px}.player{border-radius:12px;margin-inline:-4px}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 18px;z-index:9;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.ios-tip{font-size:.86rem;color:var(--muted);margin-top:4px}