:root{
  --bg:#f6f7f9;--card:#fff;--text:#17191d;--muted:#6f7682;--line:#e6e8ec;--accent:#111827;--accent2:#2563eb;--danger:#c62828;--radius:18px;--shadow:0 12px 34px rgba(17,24,39,.07)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input,textarea{font:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,232,236,.9)}.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;letter-spacing:-.03em;font-size:19px}.header-actions{display:flex;align-items:center;gap:8px}.header-actions a{padding:8px 12px;border-radius:10px;color:#4c5360;font-size:14px}.header-actions a:hover{background:#f0f2f5;color:#111827}.board-main{padding:48px 0 80px}.board-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:28px}.board-hero h1,.editor-heading h1,.auth-card h1,.article-header h1{margin:4px 0 8px;letter-spacing:-.045em;line-height:1.25}.board-hero h1{font-size:clamp(32px,5vw,52px)}.board-hero p{margin:0;color:var(--muted)}.eyebrow{margin:0!important;color:#2563eb!important;font-size:12px!important;font-weight:800!important;letter-spacing:.14em!important}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border:1px solid var(--line);background:#fff;color:#20242b;border-radius:11px;font-weight:700;font-size:14px;cursor:pointer;transition:.18s ease}.btn:hover{transform:translateY(-1px);border-color:#cfd4dc}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.danger{color:var(--danger);border-color:#f0c7c7}.btn.wide{width:100%}.panel,.article-panel,.editor-panel,.auth-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.empty{padding:72px 30px;text-align:center}.empty h1,.empty h2{margin:0 0 8px}.empty p{color:var(--muted)}.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.post-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s ease}.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.thumb{display:block;aspect-ratio:16/10;background:#eef1f5;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.post-card:hover .thumb img{transform:scale(1.02)}.thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#a2a8b1;font-size:12px;font-weight:700;letter-spacing:.08em}.post-card-body{padding:19px}.post-card h2{font-size:18px;line-height:1.45;letter-spacing:-.025em;margin:0 0 9px}.post-card h2 a:hover{text-decoration:underline;text-underline-offset:3px}.excerpt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted);font-size:14px;line-height:1.6;margin:0 0 16px}.post-meta{display:flex;flex-wrap:wrap;gap:7px 13px;color:#8a919b;font-size:12px}.post-meta.large{font-size:13px;margin-top:14px}.pagination{display:flex;justify-content:center;gap:6px;margin-top:30px}.pagination a{display:flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 10px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:13px}.pagination a.active{background:#111827;color:#fff;border-color:#111827}.article-panel{overflow:hidden}.article-header{padding:44px 54px 30px;border-bottom:1px solid var(--line)}.article-header h1{font-size:clamp(28px,4.5vw,44px);max-width:900px}.featured-image{margin:0;padding:34px 54px 0}.featured-image img{width:100%;max-height:640px;object-fit:cover;border-radius:14px}.article-content{padding:44px 54px;font-size:17px;line-height:1.9;word-break:keep-all;overflow-wrap:anywhere}.article-content>*:first-child{margin-top:0}.article-content>*:last-child{margin-bottom:0}.article-content h2{font-size:28px;line-height:1.4;letter-spacing:-.035em;margin:44px 0 16px}.article-content h3{font-size:22px;line-height:1.45;letter-spacing:-.03em;margin:36px 0 12px}.article-content h4{font-size:18px;margin:28px 0 10px}.article-content p{margin:0 0 18px}.article-content ul,.article-content ol{padding-left:24px}.article-content blockquote{margin:24px 0;padding:18px 22px;background:#f6f8fb;border-left:3px solid #8ea1bc;border-radius:0 10px 10px 0;color:#4f5764}.article-content a{color:#1d4ed8;text-decoration:underline;text-underline-offset:3px}.article-content img{max-width:100%;margin:24px auto;border-radius:12px}.attachments{padding:0 54px 38px}.attachments h2{font-size:18px;margin:0 0 14px}.attachment-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.attachment-grid a{aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:#eef1f5}.attachment-grid img{width:100%;height:100%;object-fit:cover}.article-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 54px;border-top:1px solid var(--line);background:#fafbfc}.action-group{display:flex;gap:8px}.action-group form{margin:0}.editor-panel{padding:34px}.editor-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.editor-heading h1{font-size:30px}.post-form{display:grid;gap:22px}.field{display:grid;gap:9px;font-weight:750;font-size:14px}.field input[type=text],.field input[type=password],.field textarea,.stack-form input{width:100%;border:1px solid #d9dde4;background:#fff;border-radius:11px;padding:13px 14px;color:#17191d;outline:none;transition:border .15s,box-shadow .15s}.field input:focus,.field textarea:focus,.stack-form input:focus{border-color:#8aa2c5;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.field input[type=file]{padding:12px;border:1px dashed #cfd5dd;border-radius:11px;background:#fafbfc}.optional{font-weight:500;color:#9097a2}.help{margin:0;color:#858d98;font-size:12px;font-weight:500}.toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:9px;border:1px solid #d9dde4;border-bottom:0;border-radius:12px 12px 0 0;background:#f8f9fb}.toolbar button{height:34px;padding:0 10px;border:1px solid #e0e3e8;background:#fff;border-radius:8px;color:#333943;cursor:pointer;font-size:12px}.toolbar button:hover{border-color:#b9c0ca;background:#f2f4f7}.rich-editor{min-height:440px;padding:20px;border:1px solid #d9dde4;border-radius:0 0 12px 12px;background:#fff;outline:none;font-weight:400;font-size:16px;line-height:1.8;overflow-wrap:anywhere}.rich-editor:focus{border-color:#8aa2c5;box-shadow:0 0 0 4px rgba(37,99,235,.08)}.rich-editor img{max-width:100%;height:auto;margin:14px auto;border-radius:10px}.rich-editor h2{font-size:26px}.rich-editor h3{font-size:21px}.existing-image{display:flex;align-items:center;gap:16px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fafbfc}.existing-image img{width:120px;height:80px;object-fit:cover;border-radius:8px}.check{font-size:13px;color:#59616d}.existing-attachments{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.existing-attachment{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:#fff}.existing-attachment img{width:100%;aspect-ratio:1/1;object-fit:cover}.existing-attachment span{display:block;padding:8px;font-size:12px}.submit-row{display:flex;justify-content:flex-end;padding-top:4px}.auth-wrap{padding:70px 0}.auth-card{width:min(460px,100%);margin:0 auto;padding:34px}.auth-card h1{font-size:31px}.muted{color:var(--muted)}.stack-form{display:grid;gap:16px;margin-top:24px}.stack-form label{display:grid;gap:8px;font-size:13px;font-weight:750}.alert{padding:12px 14px;border-radius:10px;margin:18px 0 0;font-size:13px}.alert.error{background:#fff0f0;color:#a22323;border:1px solid #f3cccc}.site-footer{border-top:1px solid var(--line);background:#fff}.footer-inner{padding:24px 0;color:#9aa1aa;font-size:12px}
@media (max-width:900px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.attachment-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.article-header,.article-content,.featured-image,.attachments,.article-actions{padding-left:32px;padding-right:32px}.existing-attachments{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:640px){.wrap{width:min(100% - 28px,1180px)}.header-inner{min-height:60px}.brand{font-size:17px}.header-actions a{padding:7px 8px;font-size:12px}.board-main{padding:30px 0 56px}.board-hero{align-items:flex-start;flex-direction:column}.board-hero h1{font-size:36px}.post-grid{grid-template-columns:1fr;gap:14px}.post-card{display:grid;grid-template-columns:124px 1fr}.thumb{aspect-ratio:auto;height:100%;min-height:150px}.post-card-body{padding:15px}.post-card h2{font-size:16px}.excerpt{font-size:13px;margin-bottom:10px}.article-header,.article-content,.featured-image,.attachments,.article-actions{padding-left:20px;padding-right:20px}.article-header{padding-top:28px;padding-bottom:22px}.article-header h1{font-size:30px}.featured-image{padding-top:20px}.article-content{padding-top:30px;padding-bottom:34px;font-size:16px;line-height:1.82}.article-content h2{font-size:24px}.article-content h3{font-size:20px}.attachment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-actions{align-items:stretch;flex-direction:column}.action-group{width:100%}.action-group .btn,.action-group form{flex:1}.action-group form .btn{width:100%}.editor-panel{padding:20px}.editor-heading{align-items:flex-start}.editor-heading h1{font-size:26px}.rich-editor{min-height:360px;padding:16px}.existing-attachments{grid-template-columns:repeat(3,minmax(0,1fr))}.auth-card{padding:24px}}