:root{--bg:#0e0f12;--panel:#16181d;--text:#e7e9ee;--muted:#9aa0aa;--accent:#4f8cff;--border:#262932;--error:#ff6b6b;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);min-height:100%}a{color:var(--accent)}.center-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;gap:1.5rem;text-align:center}.center-screen h1{font-size:clamp(2.5rem,6vw,4rem);margin:0;letter-spacing:.02em}.center-screen .tagline{color:var(--muted);margin:0;font-size:1.05rem}.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.75rem 1.5rem;width:100%;max-width:360px;display:flex;flex-direction:column;gap:.9rem}.auth-card h2{margin:0 0 .25rem;font-size:1.25rem}label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;color:var(--muted);text-align:left}input[type=email],input[type=password],input[type=text]{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.55rem .7rem;font-size:.95rem;width:100%}input:focus{outline:none;border-color:var(--accent)}button{cursor:pointer;border:1px solid var(--accent);background:var(--accent);color:#0b1220;font-weight:600;padding:.6rem 1rem;border-radius:6px;font-size:.95rem}button:hover{filter:brightness(1.08)}button.secondary{background:transparent;color:var(--accent)}button.danger{background:transparent;color:var(--error);border-color:var(--error)}.btn-row{display:flex;gap:.75rem;justify-content:center}.error{color:var(--error);font-size:.85rem;margin:0}.muted{color:var(--muted)}.profile{max-width:720px;margin:0 auto;padding:2.5rem 1.5rem 4rem;display:flex;flex-direction:column;gap:2rem}.profile h1{margin:0;font-size:1.6rem}.profile section{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.25rem}.profile h2{margin:0 0 .85rem;font-size:1.05rem;color:var(--muted);font-weight:600}.profile dl{display:grid;grid-template-columns:max-content 1fr;grid-gap:.4rem 1rem;gap:.4rem 1rem;margin:0}.profile dt{color:var(--muted)}.profile dd{margin:0}.stats-table{width:100%;border-collapse:collapse;font-size:.92rem}.stats-table td,.stats-table th{text-align:left;padding:.45rem .5rem;border-bottom:1px solid var(--border)}.stats-table th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}.stats-table td{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.profile .logout-row{display:flex;justify-content:flex-end}.topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding:.75rem 1.5rem}.topbar .brand{font-weight:700;letter-spacing:.02em}.form-success{color:#6bff8a;font-size:.85rem;margin:0}