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:root{--navy:#1f3864;--accent:#2e5b9a;--gold:#c9a227;--green:#2e8b57;--red:#c0392b;--bg:#eef2f8;--card:#fff;--line:#e2e8f2;--ink:#1a2332;--muted:#5c6b82;--soft:#f4f7fc}[data-theme=dark]{--navy:#7ea6e0;--accent:#9cc0f5;--gold:#e2c15a;--green:#5cd28e;--red:#ff7b6b;--bg:#0f1622;--card:#18212f;--line:#26313f;--ink:#e6ecf5;--muted:#95a3b8;--soft:#141c28}[data-fs=s]{font-size:14px}[data-fs=m]{font-size:16px}[data-fs=l]{font-size:18px}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:Segoe UI,system-ui,Arial,sans-serif;transition:background .2s,color .2s}a{color:var(--accent)}.app-header{background:linear-gradient(120deg, var(--navy), var(--accent));color:#fff;z-index:30;flex-wrap:wrap;align-items:center;gap:12px;padding:12px 18px;display:flex;position:sticky;top:0;box-shadow:0 2px 10px #0000002e}[data-theme=dark] .app-header{background:linear-gradient(120deg,#12283f,#1b3a5c)}.app-header 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20px;font-weight:600;transition:all .3s;position:fixed;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 6px 20px #0000004d}[data-theme=dark] .toast{background:var(--accent);color:#0f1622}.toast.show{opacity:1}.progress-line{background:var(--line);border-radius:4px;height:6px;margin:12px 0;overflow:hidden}.progress-line>span{background:var(--gold);height:100%;display:block}.authwrap{max-width:440px;margin:6vh auto;padding:0 16px}.profilecard{border:1px solid var(--line);cursor:pointer;background:var(--card);border-radius:12px;align-items:center;gap:12px;margin:8px 0;padding:12px;display:flex}.profilecard:hover{border-color:var(--accent)}.avatar{background:var(--navy);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.1rem;font-weight:800;display:flex}.cd{background:var(--soft);border:1px solid var(--line);text-align:center;border-radius:10px;min-width:74px;margin:4px;padding:6px 10px;display:inline-block}.cd 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