:root{--bg:#0f1218;--card:#171b24;--line:#262c3a;--text:#e6e9ef;--muted:#8a93a6;--accent:#6c8cff;--accent2:#4f6fe8}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,"Segoe UI","Noto Sans KR",sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.topbar-unused{display:flex;align-items:center;gap:24px;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;color:var(--text);font-size:17px}.topbar nav{display:flex;gap:6px;flex:1}
.topbar nav a{color:var(--muted);padding:6px 12px;border-radius:8px}.topbar nav a.active,.topbar nav a:hover{color:var(--text);background:var(--line);text-decoration:none}
.container{max-width:1200px;margin:24px auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px}
h1{margin:0 0 4px}h2{margin:0 0 14px;font-size:18px;display:flex;align-items:center;gap:10px}h3{font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin:14px 0 8px}
.muted{color:var(--muted)}.small{font-size:12px}.nowrap{white-space:nowrap}
input,textarea{width:100%;background:#0f1218;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 11px;font:inherit;margin-top:4px}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}label{display:block;margin-bottom:12px;color:var(--muted);font-size:13px}
label.check{display:flex;align-items:center;gap:8px}label.check input{width:auto;margin:0}
.btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 16px;font:inherit;cursor:pointer;display:inline-block}
.btn:hover{background:var(--accent2);text-decoration:none}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.sm{padding:4px 10px;font-size:13px}.btn.full{width:100%}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row input{flex:1;min-width:140px;margin:0}
.inline{display:inline-flex;align-items:center;gap:8px;margin:0}
.flash{background:#1f2a4a;border:1px solid var(--accent);padding:10px 14px;border-radius:10px;margin-bottom:16px}
.login-wrap{display:flex;justify-content:center;padding-top:10vh}.login{width:360px}.login h1{font-size:22px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat .num{font-size:30px;font-weight:700}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.tile{position:relative;background:#0f1218;border:1px solid var(--line);border-radius:10px}
.tile a{display:block;padding:12px 14px;color:var(--text);font-weight:600}.tile a:hover{border-color:var(--accent);text-decoration:none;background:#141a28;border-radius:10px}
.tile small{display:block;color:var(--muted);font-weight:400;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile form{position:absolute;top:4px;right:6px;margin:0}
.x{background:none;border:0;color:var(--muted);font-size:18px;cursor:pointer;line-height:1}.x:hover{color:#ff6b6b}
details{margin-top:14px}summary{cursor:pointer;color:var(--muted)}details .row{margin-top:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid2 .card{margin-bottom:0}
.sm-link{font-size:13px;font-weight:400;margin-left:auto}
.list-item{display:flex;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);color:var(--text)}
.list-item .muted{margin-left:auto;font-size:12px;white-space:nowrap}
.note{border-bottom:1px solid var(--line);padding:10px 0}.note-head{display:flex;justify-content:space-between}.note-head form{margin:0}
.note-body,pre{white-space:pre-wrap;word-break:break-word;font:13px/1.5 ui-monospace,monospace;color:#c3c9d6;margin:6px 0;max-height:160px;overflow:auto}
.tag{background:var(--line);border-radius:6px;padding:1px 6px;margin-right:4px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:500;font-size:13px}td form{margin:0}
.badge{font-size:11px;padding:2px 7px;border-radius:6px;background:var(--line);text-transform:uppercase}
.badge.success{background:#1d3b2a;color:#6ee7a0}.badge.warning{background:#3d331a;color:#ffd166}.badge.error{background:#45201f;color:#ff8a80}.badge.info{background:#1f2a4a;color:#9db2ff}
.footer{text-align:center;padding:24px;font-size:12px}
@media(max-width:800px){.grid2,.stats{grid-template-columns:1fr}.topbar-unused{flex-wrap:wrap;gap:10px}}

/* ---- sidebar layout ---- */
.nav-toggle{display:none}.mobilebar,.backdrop{display:none}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:240px;background:var(--card);border-right:1px solid var(--line);padding:18px 14px;overflow-y:auto;z-index:20;display:flex;flex-direction:column}
.sidebar .brand{display:block;padding:4px 10px 16px}
.side-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:14px 10px 6px}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{display:flex;align-items:center;gap:6px;color:var(--text);padding:8px 10px;border-radius:8px;font-size:14px}
.side-nav a:hover{background:var(--line);text-decoration:none}
.side-nav a.active{background:#1f2a4a;color:#c9d4ff;font-weight:600}
.side-nav .count{margin-left:auto;font-size:11px;color:var(--muted);background:#0f1218;border-radius:10px;padding:1px 8px}
.side-foot{margin-top:auto;padding:14px 10px 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
body.with-sidebar .content{margin-left:240px}
.page-title{font-size:22px;margin:0 0 16px}
select{width:100%;background:#0f1218;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:9px 11px;font:inherit;margin-top:4px}
.cat-badge{display:inline-block;font-size:11px;background:#1f2a4a;color:#9db2ff;border-radius:6px;padding:1px 7px;margin-right:4px;white-space:nowrap}
@media(max-width:900px){
  .mobilebar{display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:15;background:var(--card);border-bottom:1px solid var(--line);padding:10px 16px}
  .mobilebar .brand{color:var(--text);font-weight:700}
  .hamburger{display:flex;flex-direction:column;gap:4px;cursor:pointer;padding:6px}
  .hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px}
  .sidebar{transform:translateX(-100%);transition:transform .2s ease}
  .nav-toggle:checked ~ .sidebar{transform:none;box-shadow:0 0 40px rgba(0,0,0,.6)}
  .nav-toggle:checked ~ .backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:18}
  body.with-sidebar .content{margin-left:0}
}
/* ---- markdown + paste ---- */
.paste-status{color:#6ee7a0;margin-top:4px;min-height:1em}.paste-status.error{color:#ff8a80}
.md{color:#d5dae4;line-height:1.65;word-break:break-word}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md img{max-width:100%;height:auto;border-radius:8px;border:1px solid var(--line);display:block;margin:8px 0}
.md pre{background:#0f1218;padding:10px;border-radius:8px;max-height:none}.md code{background:#0f1218;padding:1px 5px;border-radius:4px;font-size:13px}
.md blockquote{border-left:3px solid var(--accent);margin:8px 0;padding:2px 12px;color:var(--muted)}
.md table{width:auto}.md h1,.md h2,.md h3{font-size:16px;margin:12px 0 6px;display:block}
.note-body.md{max-height:320px;overflow:auto;font:inherit;font-size:14px}
/* ---- board (Naver-cafe style single view) ---- */
.board{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 30px;max-width:1100px}
.board-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;padding-bottom:14px;border-bottom:2px solid var(--text);margin-bottom:0}
.board-head .page-title{margin:0 0 4px}
.board-table{width:100%;border-collapse:collapse;table-layout:fixed}
.board-table th{border-bottom:1px solid var(--line);padding:10px 8px;font-size:13px;color:var(--muted);text-align:center}
.board-table td{padding:11px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
.board-table .c-no{width:72px;text-align:center;color:var(--muted);font-size:13px}
.board-table .c-cat{width:110px;text-align:center}.board-table .c-date{width:110px;text-align:center;font-size:13px}
.board-table .c-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-table .c-title a{color:var(--text);font-size:15px}.board-table .c-title a:hover{color:var(--accent);text-decoration:underline}
.board-table tbody tr:hover{background:#1a1f2b}.board-table tr.pinned{background:#191f30}.board-table tr.pinned .c-title a{font-weight:700}
.board-table .empty{text-align:center;padding:60px 0}
.pin-badge{display:inline-block;background:#c0392b;color:#fff;font-size:11px;font-weight:700;padding:1px 7px;border-radius:4px;vertical-align:middle}
.icon-img{font-size:12px;margin-left:4px}.c-title .tag{font-size:11px;margin-left:4px}
.m-meta{display:none;font-size:12px}
.pager{display:flex;justify-content:center;gap:4px;margin:20px 0 6px}
.pager a,.pager b{min-width:32px;text-align:center;padding:5px 9px;border-radius:6px;font-size:14px}
.pager a{color:var(--text)}.pager a:hover{background:var(--line);text-decoration:none}.pager b{background:var(--accent);color:#fff}
.board-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px}
.board-foot .search{flex:0 1 420px}
.btn.danger{background:transparent;border:1px solid #6b2b2b;color:#ff8a80}.btn.danger:hover{background:#45201f}
.side-write{margin:6px 0 4px;text-align:center}
/* detail */
.post-actions{display:flex;align-items:center;gap:8px}.post-actions .spacer{flex:1}
.post-actions.top{padding-bottom:16px}.post-actions.bottom{padding-top:20px;margin-top:24px;border-top:1px solid var(--line)}
.post-head{border-top:2px solid var(--text);border-bottom:1px solid var(--line);padding:18px 0 14px}
.cat-link{font-size:13px;color:var(--accent)}
.post-title{font-size:24px;margin:6px 0 10px;line-height:1.35;word-break:break-word}
.post-meta{display:flex;flex-wrap:wrap;gap:14px}
.post-body{padding:28px 2px 10px;font-size:16px;line-height:1.8;min-height:160px}
.post-body img{max-width:100%;height:auto;border-radius:6px;margin:14px 0}
.post-body h1{font-size:22px}.post-body h2{font-size:19px}.post-body h3{font-size:17px}
.post-body p{margin:0 0 14px}.post-body ul,.post-body ol{padding-left:24px}
.post-body table{border:1px solid var(--line);margin:12px 0}.post-body th,.post-body td{border:1px solid var(--line);padding:6px 10px}
.post-tags{display:flex;flex-wrap:wrap;gap:6px;padding-top:10px}.post-tags .tag{color:#9db2ff}
.post-nav{margin-top:18px;border:1px solid var(--line);border-radius:10px}
.post-nav div{padding:11px 16px;display:flex;gap:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.post-nav div+div{border-top:1px solid var(--line)}.post-nav a{color:var(--text)}
/* editor */
.editor-form{display:flex;flex-direction:column;gap:12px}
.editor-row{display:flex;gap:10px;align-items:center}
.editor-row input,.editor-row select{margin:0}
.ed-cat{width:170px;flex:none}.ed-title{flex:1;font-size:18px;padding:12px 14px;font-weight:600}
.ed-body{min-height:62vh;resize:vertical;font:15px/1.7 ui-monospace,"D2Coding","Noto Sans Mono CJK KR",monospace;padding:16px;margin:0}
.ed-tags{flex:1}.editor-row label.check{margin:0;white-space:nowrap}
.editor-actions{display:flex;justify-content:flex-end;gap:8px;padding-top:12px;border-top:1px solid var(--line)}
.editor-actions .btn{min-width:96px;text-align:center}
@media(max-width:900px){
  .board{padding:18px 14px;border-radius:10px}
  .board-table .c-no,.board-table .c-cat,.board-table .c-date,.board-table thead{display:none}
  .board-table .c-title{white-space:normal}.m-meta{display:block;margin-top:3px}
  .board-foot{flex-direction:column;align-items:stretch}.editor-row{flex-direction:column;align-items:stretch}.ed-cat{width:100%}
}