:root{
  --bg:#080807;
  --panel:#10100f;
  --panel2:#151513;
  --text:#f4f2ee;
  --muted:#b8b5ae;
  --silver:#d8d8d5;
  --blue:#0787ed;
  --blue2:#44b3ff;
  --line:rgba(64,173,255,.45);
  --brown:#17120f;
  --radius:22px;
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:radial-gradient(circle at 50% 0,#19140f 0,#0b0a09 36%,#050505 100%);color:var(--text);min-height:100vh}
button,select,a{font:inherit}
button{cursor:pointer}
.app-shell{width:min(100%,760px);margin:0 auto;min-height:100vh;padding:env(safe-area-inset-top) 16px calc(28px + env(safe-area-inset-bottom));}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 0 8px;position:sticky;top:0;z-index:10;background:linear-gradient(#080807 75%,transparent)}
.brand-button{border:0;background:transparent;padding:0;width:142px}
.brand-button img{display:block;width:100%;height:auto}
.menu-button{border:1px solid var(--line);background:#111;color:var(--blue2);width:44px;height:44px;border-radius:12px;font-size:24px}
.win-menu{display:none;grid-template-columns:repeat(7,1fr);gap:7px;padding:8px 0 14px;position:sticky;top:72px;z-index:9;background:#080807}
.win-menu.open{display:grid}
.win-menu button{border:1px solid var(--line);background:#121212;color:var(--silver);border-radius:10px;padding:10px 0;font-weight:800}
.win-menu button.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.screen{display:none}.screen.active{display:block}
.home-screen{text-align:center;padding:18px 0 8px}
.hero-logo-wrap{max-width:560px;margin:0 auto 22px}.hero-logo{width:100%;height:auto;border-radius:24px;display:block}
.rule{font-size:clamp(22px,5vw,34px);line-height:1.2;margin:18px auto 14px;max-width:650px;font-weight:650}.rule strong{color:var(--blue2)}
.why-seven{color:var(--muted);font-size:16px;line-height:1.6;max-width:640px;margin:0 auto 24px}
.level-card{background:linear-gradient(180deg,#171512,#0f0f0e);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:0 auto 18px;max-width:520px;text-align:left}
.level-card label{display:block;text-transform:uppercase;letter-spacing:.08em;font-weight:850;color:var(--silver);margin-bottom:10px}
.level-card p{color:var(--muted);font-size:14px;margin:10px 0 0}
select{width:100%;background:#080808;color:#fff;border:1px solid #2f8dcd;border-radius:12px;padding:13px 14px;font-weight:800}
.primary-button,.secondary-button,.nav-button,.song-button{border-radius:14px;text-decoration:none;font-weight:900;letter-spacing:.035em;text-align:center}
.primary-button{display:block;width:100%;max-width:520px;margin:0 auto;border:1px solid #59bfff;background:linear-gradient(180deg,#0a91f6,#0668bb);color:white;padding:17px 20px;box-shadow:0 8px 30px rgba(0,130,255,.18)}
.secondary-button{border:1px solid var(--line);background:#111;color:#ddd;padding:15px 20px}
.freedom-note{color:#898780;font-size:13px;margin-top:13px}
.progress-row{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:8px 0 12px}
.progress-row span{font-weight:900;color:var(--blue2);text-transform:uppercase;letter-spacing:.08em}.progress-row select{width:170px;padding:10px}
.win-card{border:1px solid rgba(77,170,232,.34);border-radius:var(--radius);background:linear-gradient(180deg,rgba(23,18,15,.96),rgba(10,10,10,.98));overflow:hidden;box-shadow:0 18px 60px rgba(0,0,0,.38)}
.win-image{display:block;width:100%;height:auto;background:#000;aspect-ratio:1/1;object-fit:cover}
.win-copy{padding:22px}.win-copy h1{font-size:clamp(30px,7vw,48px);margin:0;text-transform:uppercase;line-height:1;color:#ecebe7;letter-spacing:.015em}
.exercise-name{margin:7px 0 24px;color:var(--blue2);font-weight:900;text-transform:uppercase;letter-spacing:.09em}
.info-block{border-top:1px solid rgba(255,255,255,.09);padding:18px 0 4px}.info-block h2{font-size:14px;color:var(--blue2);text-transform:uppercase;letter-spacing:.11em;margin:0 0 8px}.info-block p{font-size:17px;line-height:1.55;color:#e0ded8;margin:0}.duration-block p{font-size:20px;font-weight:800;color:#fff}.why-block p{color:#c6c3bc}
.bonus-card{border:1px solid rgba(55,153,220,.45);background:#0a1219;border-radius:16px;margin-top:22px;overflow:hidden}.bonus-toggle{width:100%;border:0;background:transparent;color:#62bdff;padding:16px;text-align:left;font-weight:900;font-size:16px}.bonus-content{padding:0 16px 16px;color:#d7d4ce;line-height:1.5}.bonus-item{padding:12px 0;border-top:1px solid rgba(255,255,255,.08)}.bonus-item h3{margin:0 0 5px;color:#fff;font-size:16px}.bonus-item p,.bonus-note{margin:0;color:#bdbab4}.bonus-note{font-size:13px;padding-top:12px}
.song-button{display:block;margin-top:22px;border:1px solid #258ed1;background:#08121a;color:#67c0ff;padding:15px 14px}
.nav-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 4px}.nav-button{border:1px solid var(--line);background:#111;color:#e8e5df;padding:15px}.nav-button.next{background:#086ebf;border-color:#299fe9;color:#fff}.nav-button:disabled{opacity:.35;cursor:default}
.complete-screen{text-align:center;padding:30px 0}.complete-logo{width:min(100%,540px);border-radius:22px}.complete-screen h1{font-size:clamp(36px,8vw,60px);margin:24px 0 12px}.complete-screen p{color:var(--muted);font-size:18px}.complete-actions{display:grid;gap:12px;max-width:520px;margin:28px auto}.complete-actions .primary-button{margin:0}.complete-actions .secondary-button{width:100%}
footer{padding:26px 10px 8px;color:#6f6d68;font-size:11px;text-align:center;line-height:1.5}
@media (max-width:460px){.app-shell{padding-left:10px;padding-right:10px}.win-copy{padding:18px}.brand-button{width:122px}.win-menu{gap:5px}.win-menu button{font-size:13px}.progress-row select{width:155px}.nav-row{position:sticky;bottom:8px;z-index:8;background:rgba(7,7,7,.92);padding:8px;border-radius:16px;backdrop-filter:blur(10px)}}