*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #f5f5f5;--surface: #fff;--text: #1a1a1a;--text-secondary: #666;--border: #e0e0e0;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--danger-hover: #b91c1c;--success: #16a34a;--radius: 8px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", SFMono-Regular, Consolas, monospace}body{font-family:var(--font);background:var(--bg);color:var(--text);height:100vh;overflow:hidden}#root{height:100vh}.login{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:24px}.login h1{font-size:24px;font-weight:600}.login form{display:flex;gap:8px}.login input{padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:16px;width:300px;outline:none}.login input:focus{border-color:var(--primary)}.login button{padding:10px 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