:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#f5f5f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-primary: #1976d2;--color-primary-weak: #e3f2fd;--color-danger: #c62828;--color-danger-weak: #ffebee;--color-border: #ddd;--radius: 8px;--color-page-bg: #f5f5f5;--color-surface: #ffffff;--color-text: #212121;--color-muted: #666;--shadow: 0 1px 3px rgba(0,0,0,.06)}.page{min-height:100vh;width:100%;background:var(--color-page-bg);color:var(--color-text);padding:24px;box-sizing:border-box}.container{max-width:1180px;margin:0 auto;width:100%}.panel{background:var(--color-surface);border-radius:var(--radius);border:1px solid #eee;box-shadow:var(--shadow);padding:12px}.btn{border-radius:var(--radius);border:1px solid var(--color-border);padding:6px 12px;font-size:12px;font-weight:500;background:#fff;cursor:pointer;transition:border-color .2s,background-color .2s,color .2s}.btn-primary{border-color:var(--color-primary);background:var(--color-primary-weak);color:#0d47a1}.btn-danger{border-color:#ffcdd2;background:var(--color-danger-weak);color:var(--color-danger)}.tab{padding:6px 12px;font-size:12px;border-radius:999px;border:1px solid #bbb;background:#fff;cursor:pointer}.tab-active{border-color:var(--color-primary);background:var(--color-primary-weak)}.btn:hover{border-color:var(--color-primary);background:#fafafa}.btn-primary:hover{background:#d6eaff;border-color:#1565c0}.btn-danger:hover{background:#ffcdd2;border-color:#b71c1c}.tab:hover{border-color:var(--color-primary)}.btn:focus-visible,.tab:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:block;min-width:320px;min-height:100vh;width:100%}#root{width:100%;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{font-family:inherit;border-radius:var(--radius);border:1px solid var(--color-border);padding:6px 12px;font-size:12px;font-weight:500;background:#fff;cursor:pointer;transition:border-color .2s,background-color .2s,color .2s}button:hover{border-color:var(--color-primary);background:#fafafa}button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}button:disabled{opacity:.6;cursor:not-allowed}