:root{--bg: #0f141b;--card: #161d26;--inset: #0b0f15;--border: #263140;--text: #e6edf3;--muted: #93a1b1;--faint: #6b7a8d;--accent: #3b82f6;--danger: #f85149;--ok: #3fb950;--warn: #d29922;--mono: "Cascadia Mono", Consolas, ui-monospace, monospace;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:24px;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--border)}.topbar__brand{display:flex;align-items:center;gap:10px}.topbar__brand 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var(--border);font-size:10.5px;font-weight:700;color:var(--muted);letter-spacing:.03em}.chip--ok{color:var(--ok);border-color:#3fb95059}.chip--off{color:var(--faint)}.chip--warn{color:var(--warn);border-color:#d2992259}.chip--danger{color:var(--danger);border-color:#f8514966}.btn{padding:8px 14px;border:1px solid var(--border);border-radius:8px;background:var(--inset);color:var(--text);font:inherit;font-size:13px;font-weight:600;cursor:pointer}.btn:hover:not(:disabled){background:#1c2531}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn--primary:hover:not(:disabled){background:#2f6fdd}.btn--ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn--danger{color:var(--danger);border-color:#f851494d}.btn--danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn--sm{padding:4px 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rgba(210,153,34,.25)}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:grid;place-items:center;padding:24px;z-index:50}.modal{background:var(--card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:560px;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 12px 40px #00000080}.modal__head{padding:16px;border-bottom:1px solid var(--border)}.modal__head h3{margin:0;font-size:16px}.modal__body{padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.modal__foot{padding:16px;border-top:1px solid var(--border);display:flex;gap:10px}.modal__foot .btn{flex:1}.login{padding:28px;width:100%;max-width:380px;display:flex;flex-direction:column;gap:16px}.login__brand{display:flex;align-items:center;gap:10px}.login__brand h1{margin:0;font-size:17px}.key-box{display:block;padding:12px;background:var(--inset);border:1px solid var(--border);border-radius:8px;font-family:var(--mono);font-size:12.5px;word-break:break-all;-webkit-user-select:all;user-select:all}code{font-family:var(--mono);font-size:.92em}