:root{--c-bg: #f6f8fa;--c-surface: #ffffff;--c-surface-muted: #f6f8fa;--c-text: #1f2328;--c-text-muted: #656d76;--c-text-subtle: #8c959f;--c-border: #d8dee4;--c-border-strong: #d0d7de;--c-accent: #0969da;--c-accent-bg: #ddf4ff;--c-accent-text: #0550ae;--c-success: #1f883d;--c-success-bg: #dafbe1;--c-success-text: #1a7f37;--c-danger: #cf222e;--c-warn-bg: #fff8c5;--c-warn-border: #d4a72c;--c-warn-text: #9a6700;--r-sm: 6px;--r-md: 8px;--r-lg: 10px;--r-pill: 999px;--shadow-sm: 0 1px 2px rgba(31, 35, 40, .12);--shadow-md: 0 3px 12px rgba(31, 35, 40, .12);--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-sans);font-size:14px;line-height:1.55;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{color:var(--c-text)}h1{font-size:22px;letter-spacing:-.01em}h2{font-size:20px}h3{font-size:15px;margin:0 0 var(--sp-3)}a{color:var(--c-accent)}code,.mono{font-family:var(--font-mono)}::selection{background:var(--c-accent-bg)}:focus-visible{outline:2px solid var(--c-accent);outline-offset:1px}input[type=text],input[type=number],input[type=email],input[type=password],select,textarea{font-family:inherit;font-size:13px;color:var(--c-text);background:var(--c-surface);border:1px solid var(--c-border-strong);border-radius:var(--r-sm);padding:7px 10px}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px #0969da26}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:var(--sp-5)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);height:34px;padding:0 16px;border:1px solid transparent;border-radius:var(--r-md);font-size:13px;font-weight:600;cursor:pointer;background:var(--c-success);color:#fff}.btn:hover{filter:brightness(.96)}.btn:disabled{opacity:.6;cursor:default}.btn.ghost{background:var(--c-surface-muted);color:var(--c-text);border-color:var(--c-border-strong);font-weight:500}.btn.accent{background:var(--c-accent)}.badge{display:inline-flex;align-items:center;padding:1px 8px;border-radius:var(--r-pill);font-size:12px;background:#eaeef2;color:var(--c-text-muted)}.badge.ok{background:var(--c-success-bg);color:var(--c-success-text)}.badge.warn{background:var(--c-warn-bg);color:var(--c-warn-text)}.badge.danger{background:#ffebe9;color:var(--c-danger)}.muted{color:var(--c-text-muted)}.error{color:var(--c-danger)}.ok{color:var(--c-success-text)}