:root{--bg: #121213;--surface: #1a1a1b;--border: #3a3a3c;--border-strong: #565758;--text: #ffffff;--text-dim: #818384;--correct: #538d4e;--present: #b59f3b;--absent: #3a3a3c;--key-bg: #818384;--accent: #6aaa64;font-family:Inter,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}button:disabled{cursor:not-allowed;opacity:.6}.app{display:flex;flex-direction:column;height:100%;max-width:500px;margin:0 auto}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.header h1{font-size:28px;font-weight:800;letter-spacing:.2em;text-align:center;flex:1}.header-side{display:flex;align-items:center;gap:8px;min-width:80px}.header-side.right{justify-content:flex-end}.icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;font-size:18px;color:var(--text-dim)}.icon-btn:hover{background:var(--border);color:var(--text)}.avatar{width:28px;height:28px;border-radius:999px;object-fit:cover}.main{flex:1;display:flex;flex-direction:column;padding:16px;gap:16px;overflow-y:auto}.login{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px;gap:24px}.login h2{font-size:36px;font-weight:800;letter-spacing:.3em}.login p{color:var(--text-dim);max-width:320px;line-height:1.5}.btn-google{display:inline-flex;align-items:center;gap:12px;padding:12px 24px;background:#fff;color:#1f1f1f;border-radius:999px;font-weight:600;font-size:15px;transition:opacity 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h3{font-size:14px;font-weight:600}.banner p{font-size:13px;color:var(--text-dim);line-height:1.5}.banner button.link{align-self:flex-start;color:var(--accent);font-weight:600;font-size:13px;margin-top:4px;text-decoration:underline}.toast{position:fixed;top:80px;left:50%;transform:translate(-50%);background:var(--text);color:#1f1f1f;padding:10px 18px;border-radius:6px;font-weight:600;font-size:14px;z-index:100;box-shadow:0 4px 12px #0006}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:24px;width:100%;max-width:400px;display:flex;flex-direction:column;gap:16px}.modal h2{font-size:20px;font-weight:700}.modal p{color:var(--text-dim);font-size:14px;line-height:1.5}.modal-actions{display:flex;gap:8px;justify-content:flex-end}.btn-primary{padding:10px 18px;background:var(--correct);color:#fff;border-radius:6px;font-weight:600;font-size:14px}.btn-primary:hover{filter:brightness(1.1)}.btn-ghost{padding:10px 18px;color:var(--text-dim);font-weight:500;font-size:14px}.btn-ghost:hover{color:var(--text)}.input{width:100%;padding:12px;background:var(--surface);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:16px;text-transform:uppercase;letter-spacing:.2em;font-weight:700;text-align:center}.input:focus{outline:none;border-color:var(--accent)}.used-list-details{font-size:12px;color:var(--text-dim)}.used-list-details summary{cursor:pointer;-webkit-user-select:none;user-select:none;padding:6px 0;font-weight:600;letter-spacing:.04em}.used-list-details summary:hover{color:var(--text)}.used-list{display:flex;flex-wrap:wrap;gap:4px;max-height:180px;overflow-y:auto;margin-top:6px;padding:8px;background:var(--surface);border:1px solid var(--border);border-radius:6px}.used-chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:600;letter-spacing:.06em;background:var(--absent);color:var(--text);padding:3px 7px;border-radius:3px}.stats-modal{position:relative;max-width:440px}.modal-close{position:absolute;top:8px;right:8px;font-size:24px;line-height:1}.stats-title{text-align:center;font-size:24px;font-weight:800;margin-top:8px}.stats-section-label{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--text-dim);margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-bottom:4px}.stat{display:flex;flex-direction:column;align-items:center;gap:2px}.stat-value{font-size:32px;font-weight:400;line-height:1.1}.stat-label{font-size:11px;color:var(--text-dim);text-align:center;white-space:pre-line;line-height:1.2}.distribution{display:flex;flex-direction:column;gap:4px}.dist-row{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600}.dist-label{width:14px;text-align:right}.dist-bar{background:var(--absent);color:var(--text);padding:2px 6px;text-align:right;border-radius:2px;min-width:24px;transition:width .4s 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