:root{--bg:#f4f6fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--accent:#1d4ed8}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#eaf0ff 0,var(--bg) 55%);color:var(--text);font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,sans-serif}.container{max-width:1200px;margin:0 auto;padding:24px;display:grid;grid-gap:16px;gap:16px}.header{padding:20px;background:linear-gradient(120deg,#1e3a8a,#1d4ed8);color:#fff;border-radius:16px}.header h1{margin:0 0 6px;font-size:28px}.header p{margin:0;opacity:.9}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}.card h2{margin:0 0 12px;font-size:18px}.fileList{list-style:none;margin:0;padding:0;display:grid;grid-gap:8px;gap:8px}.fileList li{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fafbff}.fileList a{color:var(--accent);text-decoration:none;font-weight:600}.fileList span{font-size:13px;white-space:nowrap}.empty,.fileList span{color:var(--muted)}.preview{width:100%;min-height:70vh;border:1px solid var(--line);border-radius:10px;background:#fff}code{font-family:SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#f3f4f6;padding:2px 6px;border-radius:6px}