:root{
  --bg:#0b0d12;
  --panel:#131827;
  --line:rgba(255,255,255,.10);
  --text:#f2f4f8;
  --muted:rgba(255,255,255,.70);
  --brand:#4f8cff;
  --good:#36d399;
  --bad:#ff5c7a;
  --warn:#f6d26b;
  --r:16px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 700px at 20% 10%, rgba(79,140,255,.14), transparent 55%),
              radial-gradient(900px 650px at 90% 20%, rgba(54,211,153,.10), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,13,18,.75);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;gap:12px;align-items:center;justify-content:space-between}
.brand{font-weight:800;text-decoration:none;letter-spacing:.2px}
.nav{display:flex;gap:10px;align-items:center}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--text)}
.btn{
  background:linear-gradient(135deg, rgba(79,140,255,1), rgba(54,211,153,1));
  border:0;color:#081018;
  padding:10px 12px;border-radius:12px;
  font-weight:700;text-decoration:none;
  box-shadow: var(--shadow);
  cursor:pointer;
}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn.danger{background:linear-gradient(135deg, rgba(255,92,122,1), rgba(246,210,107,1));}
.linkbtn{background:transparent;border:0;color:var(--muted);cursor:pointer}
.linkbtn:hover{color:var(--text)}
.inline{display:inline}

.search{display:flex;gap:8px;align-items:center;flex:1;max-width:420px}
.search input{
  width:100%;
  padding:10px 12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  outline:none;
}
.search button{
  padding:10px 12px;border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  color:var(--text);
  cursor:pointer;
}

.panel{
  background: linear-gradient(180deg, rgba(19,24,39,.92), rgba(19,24,39,.75));
  border:1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding:16px;
  margin:14px 0;
}
.muted{color:var(--muted)}
.small{font-size:12px}
.chip{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  padding:6px 10px;border-radius:999px;
  color:var(--muted);
}
.flash{
  padding:10px 12px;border-radius:12px;
  border:1px solid var(--line);
  margin:12px 0;
}
.flash.ok{border-color:rgba(54,211,153,.35);background:rgba(54,211,153,.10)}
.flash.bad{border-color:rgba(255,92,122,.35);background:rgba(255,92,122,.10)}
.row-between{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}

.hero h1{margin:8px 0 6px 0;font-size:34px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.tip{border-left:4px solid rgba(246,210,107,.75)}
.tip-title{font-weight:800;margin-bottom:6px}
code{font-family:var(--mono);font-size:12px;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:8px;border:1px solid var(--line)}

.board-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px}
.board{
  display:block;
  text-decoration:none;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  position:relative;
}
.board:hover{background:rgba(255,255,255,.06)}
.board-title{font-weight:800;margin-bottom:4px}
.badge{
  position:absolute;top:10px;right:10px;
  font-size:12px;color:var(--warn);
  border:1px solid rgba(246,210,107,.35);
  background:rgba(246,210,107,.10);
  padding:3px 8px;border-radius:999px;
}

.topic-list{list-style:none;padding:0;margin:0}
.topic-item{
  display:flex;gap:12px;justify-content:space-between;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid var(--line);
}
.topic-item:last-child{border-bottom:0}
.topic-title{text-decoration:none;font-weight:800}
.topic-title:hover{text-decoration:underline}
.topic-meta{text-align:right;min-width:190px}
.tag{
  display:inline-block;
  font-size:12px;
  padding:3px 8px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  margin-right:6px;
  color:var(--muted);
}
.tag.warn{color:var(--warn);border-color:rgba(246,210,107,.35);background:rgba(246,210,107,.10)}

.post{padding:12px 0;border-bottom:1px solid var(--line)}
.post:last-child{border-bottom:0}
.post-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.post-user{font-weight:900}
.post-body{line-height:1.6}

label{display:block;margin:10px 0 6px 0;color:var(--muted);font-size:13px}
input, textarea, select{
  width:100%;
  padding:10px 12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text);
  outline:none;
}
textarea{resize:vertical}

.pager{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.page{
  text-decoration:none;
  padding:8px 10px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
}
.page.active{background:rgba(79,140,255,.20);border-color:rgba(79,140,255,.35);color:var(--text)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hr{border:0;border-top:1px solid var(--line);margin:14px 0}
.table{width:100%;border-collapse:collapse;margin-top:10px}
.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}
.list{margin:0;padding-left:18px}
.footer{padding-top:0}

@media (max-width: 860px){
  .board-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .topic-meta{min-width:150px}
  .grid2{grid-template-columns:1fr}
  .search{display:none}
}
@media (max-width: 520px){
  .board-grid{grid-template-columns:1fr}
  .wrap{padding:12px}
  .hero h1{font-size:28px}
}