:root{color-scheme:light dark;--bg: #f5f6f8;--surface: #ffffff;--text: #1b1e24;--muted: #646b77;--border: #d8dce2;--primary: #3b5bdb;--on-primary: #ffffff;--danger: #c92a2a;--radius: 8px;font-family:system-ui,-apple-system,Apple SD Gothic Neo,Noto Sans KR,sans-serif;line-height:1.5;word-break:keep-all}@media(prefers-color-scheme:dark){:root{--bg: #111317;--surface: #1b1e24;--text: #e8eaed;--muted: #9ba2ae;--border: #2f343c;--primary: #8ea2ff;--on-primary: #0d1017;--danger: #ff8a8a}}body{margin:0;background:var(--bg);color:var(--text)}h1{margin:0 0 16px;font-size:20px}button{font:inherit;padding:10px 14px;border:1px solid var(--primary);border-radius:var(--radius);background:var(--primary);color:var(--on-primary);cursor:pointer}button:disabled{opacity:.6;cursor:default}button.secondary{background:transparent;border-color:var(--border);color:var(--text);padding:6px 12px}button.link{background:none;border:none;padding:0;color:var(--primary)}input{font:inherit;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text)}input:focus,button:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.muted{color:var(--muted);margin:0}.error{color:var(--danger);margin:0;font-size:14px}.brand{font-size:22px;letter-spacing:-.01em}.center{min-height:100vh;display:grid;place-items:center;padding:16px;box-sizing:border-box}.card{width:min(360px,100%);display:flex;flex-direction:column;gap:14px;padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-sizing:border-box}.field{display:flex;flex-direction:column;gap:6px;font-size:14px}.row{display:flex;justify-content:space-between;font-size:14px}.header{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--border)}.header .brand{margin-right:auto}.content{max-width:960px;margin:0 auto;padding:32px 24px}.empty{padding:48px 0;text-align:center;border:1px dashed var(--border);border-radius:12px}