:root{
  --bg:#0b0e14;
  --card:#111624;
  --elev:#0f1422;
  --line:#1d2840;
  --text:#eaf1ff;
  --muted:#9fb0cb;
  --accent:#7cc6ff;
  --accent2:#70f;
  --gold:#d8b56a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg, #0a0d14 0%, #0b1020 100%);color:var(--text);
font-family:Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial}
a{color:var(--accent);text-decoration:none}
a:hover{opacity:.9}
/* Top bar */
header{position:sticky;top:0;z-index:50;background:rgba(11,14,20,.6);backdrop-filter:blur(10px);border-bottom:1px solid #162038}
.nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.3px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:radial-gradient(circle at 30% 30%, #9df, #57a2ff)}
.navlinks{display:flex;gap:14px}
.navlinks a{color:var(--text);font-weight:600;opacity:.92;padding:8px 10px;border-radius:10px}
.navlinks a:hover{background:#151c2d}
/* Layout */
.container{max-width:1200px;margin:0 auto;padding:28px 18px}
.hero{display:grid;gap:8px;margin:8px 0 18px}
.hero .kicker{color:var(--gold);font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.hero .title{font-size:32px;font-weight:900;background:linear-gradient(90deg,#fff,#9ec7ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .desc{color:var(--muted);max-width:70ch}
/* Gallery grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.25);transition:transform .25s ease, box-shadow .25s ease, border-color .25s}
.card:hover{transform:translateY(-4px);border-color:#2d3d64;box-shadow:0 16px 40px rgba(0,0,0,.35)}
.thumb{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:#000}
.meta{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;color:var(--muted);font-size:14px}
.badge{font-size:12px;color:#091020;background:linear-gradient(135deg,#e7f3ff,#bcd8ff);border-radius:999px;padding:5px 10px;border:1px solid #9ac2ff}
/* Viewer */
.viewer{display:grid;grid-template-columns:1fr;gap:18px}
.image-wrap{position:relative;background:#000;border-radius:18px;overflow:hidden;border:1px solid #243356}
.viewer img{width:100%;height:100%;max-height:72vh;object-fit:contain;display:block;background:#000}
.navbtn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.55);border:1px solid #3c4a6d;color:#fff;padding:10px 12px;border-radius:12px;cursor:pointer}
.navbtn:hover{background:rgba(0,0,0,.75)}
.prev{left:10px}.next{right:10px}
.caption{display:flex;justify-content:space-between;align-items:center;gap:12px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;border:1px solid #2b3d63;border-radius:999px;color:var(--muted);padding:4px 10px}
/* Comments */
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}
.comment{border-top:1px dashed #2a3554;padding:12px 0}
.comment:first-child{border-top:0}
.comment .author{font-weight:800}
.comment .date{color:var(--muted);font-size:12px}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
input,textarea{width:100%;background:#0e1421;color:var(--text);border:1px solid #293657;border-radius:12px;padding:10px}
textarea{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:8px;background:#17223a;border:1px solid #31446e;color:var(--text);
border-radius:12px;padding:10px 14px;font-weight:700;cursor:pointer}
.btn:hover{border-color:#4d6fb3}
/* Board */
.list{display:grid;gap:12px}
.post-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.post-item .title{font-weight:800}
.post-item .date{color:var(--muted);font-size:12px}
.post{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px}
.post h1,.post h2,.post h3{margin-top:1.2em}
.post img{max-width:100%;border-radius:12px}
/* Footer */
.footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px;margin-top:32px;padding:24px 18px}
/* Responsiveness */
@media (min-width: 960px){
  .viewer{grid-template-columns:minmax(0,1.38fr) minmax(0,.62fr)}
}