:root{--bg:#f7f8fc;--surface:#fff;--ink:#19202a;--muted:#717984;--primary:#3859e8;--primary-soft:#e9edff;--green:#16845b;--red:#c3424d;--line:#e7e9f0;--shadow:0 12px 34px #18204d12;--radius:24px}*{box-sizing:border-box}body{margin:0;background:linear-gradient(155deg,#f8f9ff 0,#eef2ff 48%,#fff 100%);color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}.app-shell{max-width:720px;margin:auto;padding:22px 18px 110px}.topbar{display:flex;justify-content:space-between;align-items:center;margin:8px 0 28px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--primary);font-weight:800}h1{font-size:30px;line-height:1.05;margin:8px 0 0;letter-spacing:-1px}.avatar{border:0;background:var(--primary);color:#fff;width:44px;height:44px;border-radius:50%;font-weight:800;font-size:16px}.hero{background:linear-gradient(135deg,#304fe0,#6276ed);color:#fff;border-radius:30px;padding:25px;box-shadow:var(--shadow);margin-bottom:22px}.hero h2{font-size:25px;margin:0 0 10px;letter-spacing:-.7px}.hero p{margin:0;color:#e9edff;line-height:1.5}.section-title{font-size:17px;margin:25px 3px 12px}.card{background:var(--surface);border:1px solid #fff;border-radius:var(--radius);padding:19px;box-shadow:var(--shadow);margin:12px 0}.card.clickable{cursor:pointer;transition:.2s}.card.clickable:active{transform:scale(.985)}.card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.card h3{margin:0;font-size:17px}.meta{color:var(--muted);font-size:13px;margin-top:7px;line-height:1.5}.pill{display:inline-flex;align-items:center;border-radius:30px;padding:6px 10px;background:var(--primary-soft);color:var(--primary);font-size:11px;font-weight:800;white-space:nowrap}.pill.green{color:var(--green);background:#e3f6ed}.pill.red{color:var(--red);background:#ffe8ea}.button{width:100%;border:0;border-radius:16px;padding:14px 16px;font-weight:800;font-size:15px;cursor:pointer;background:var(--primary);color:#fff;margin-top:13px}.button.secondary{background:var(--primary-soft);color:var(--primary)}.button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.button.danger{background:#ffe8ea;color:var(--red)}input,textarea,select{width:100%;border:1px solid var(--line);background:#fbfcff;border-radius:15px;padding:14px;font:inherit;color:var(--ink);outline:0;margin:7px 0 14px}textarea{min-height:140px;resize:vertical}label{display:block;font-size:12px;font-weight:800;color:var(--muted);margin-top:13px}.choice{display:flex;align-items:center;justify-content:space-between;background:#fafbff;border:1px solid var(--line);border-radius:16px;padding:13px;margin:9px 0;cursor:pointer}.choice.selected{border-color:var(--primary);background:var(--primary-soft)}.score-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}.score{border:0;background:#f0f2f8;color:var(--ink);border-radius:11px;padding:10px 0;font-weight:800}.score.selected{background:var(--primary);color:#fff}.progress{height:8px;background:#edf0f8;border-radius:99px;overflow:hidden;margin:14px 0}.progress i{display:block;height:100%;background:var(--primary);border-radius:99px}.rank{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.rank:last-child{border:0}.rank-place{font-weight:900;color:var(--primary);font-size:17px}.rank-name{font-weight:750}.rank-sub{font-size:11px;color:var(--muted);margin-top:4px}.rank-score{font-weight:900}.tabs{display:flex;gap:8px;overflow:auto;margin:15px 0}.tab{border:0;background:#eef0f7;color:var(--muted);padding:11px 14px;border-radius:13px;white-space:nowrap;font-weight:800}.tab.active{background:var(--primary);color:#fff}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(720px,100%);display:flex;justify-content:space-around;background:#fffdfdF2;border-top:1px solid var(--line);padding:11px 8px calc(11px + env(safe-area-inset-bottom));backdrop-filter:blur(18px);z-index:4}.nav{border:0;background:transparent;color:#9298a5;font-size:21px;font-weight:800;display:flex;flex-direction:column;align-items:center;gap:3px}.nav span{font-size:10px;font-weight:700}.nav.active{color:var(--primary)}.hidden{display:none!important}.empty{text-align:center;color:var(--muted);padding:35px 15px}.toast{position:fixed;bottom:85px;left:50%;transform:translateX(-50%) translateY(20px);background:#202634;color:#fff;padding:13px 17px;border-radius:14px;opacity:0;pointer-events:none;transition:.25s;z-index:10;font-size:13px;max-width:90%;text-align:center}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.mono{font-family:ui-monospace,monospace;font-size:11px;word-break:break-all;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media(max-width:440px){.split{grid-template-columns:1fr}h1{font-size:27px}}