:root{--bg: #0b0d10;--surface: #14171c;--border: #262b33;--text: #e6e8eb;--muted: #8b93a1;--primary: #4f8cff;--primary-hover: #3a78ee;--error: #ef4444}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{min-height:100%;display:flex;flex-direction:column}.header{padding:16px 24px;border-bottom:1px solid var(--border)}.brand{color:var(--text);text-decoration:none;font-weight:600}.main{flex:1;display:flex;align-items:center;justify-content:center;padding:32px 16px}.center{padding:40px;color:var(--muted)}.card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px}.card h1{margin:0 0 20px;font-size:22px}.form{display:flex;flex-direction:column;gap:14px}.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}.form input{background:#0e1115;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:10px 12px;font-size:15px;outline:none}.form input:focus{border-color:var(--primary)}.btn{width:100%;padding:10px 14px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text);font-size:15px;cursor:pointer}.btn:hover{background:#1b1f26}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-hover)}.btn.google{background:#fff;color:#1f1f1f;border-color:#fff}.btn.google:hover{background:#f1f1f1}.divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:16px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.muted{color:var(--muted);font-size:14px;text-align:center;margin-top:16px}.muted a{color:var(--primary)}.error{color:var(--error);font-size:14px;margin:0}.kv{display:grid;grid-template-columns:max-content 1fr;gap:8px 16px;margin:0 0 20px}.kv dt{color:var(--muted);font-size:13px}.kv dd{margin:0;font-size:14px;word-break:break-all}