:root{
  --bg:#0b0f14;
  --bg2:#0f1724;
  --card:#101a2b;
  --card2:#0e1522;
  --text:#eaf0fb;
  --muted:#a8b3c2;
  --border:rgba(255,255,255,.08);
  --accent:#2aa3ff;
  --accent2:#ffb000;
  --ok:#3ddc97;
  --shadow: 0 14px 38px rgba(0,0,0,.42);
  --radius: 18px;
  --radius2: 14px;
  --max: 1200px;
  --sidebar: 320px;
}
:root.light{
  --bg:#f6f8fc;
  --bg2:#eef3fb;
  --card:#ffffff;
  --card2:#ffffff;
  --text:#0b1324;
  --muted:#4b5565;
  --border:rgba(12,18,32,.12);
  --accent:#0a66ff;
  --accent2:#ff9900;
  --ok:#0bbf80;
  --shadow: 0 14px 34px rgba(9,30,66,.18);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1100px 650px at 18% 0%, rgba(42,163,255,.18), transparent 55%),
    radial-gradient(900px 520px at 95% 22%, rgba(255,176,0,.12), transparent 58%),
    linear-gradient(180deg,var(--bg),var(--bg2));
}

a{color:inherit}
img{max-width:100%;height:auto;display:block}

.kbd, kbd{
  font: 600 12px/1.1 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  padding:.22rem .45rem;
  border-radius:10px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
}

.container{
  max-width:var(--max);
  margin:0 auto;
  padding: 18px 14px 34px;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(11,15,20,.85), rgba(11,15,20,.45));
  border:1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 12px 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}
:root.light .topbar{
  background: linear-gradient(180deg, rgba(246,248,252,.86), rgba(246,248,252,.55));
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  text-decoration:none;
  min-width: 240px;
}
.brand .logo{
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(42,163,255,.18), rgba(255,176,0,.14));
  border: 1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.brand .logo img{width:100%;height:100%;object-fit:cover}
.brand .name strong{
  display:block;
  font-size: 16px;
  letter-spacing: .5px;
}
.brand .name span{
  display:block;
  margin-top: 2px;
  font-size: 13px;
  color: var(--muted);
}

.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.btn{
  appearance:none;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: .6rem .85rem;
  border-radius: 14px;
  text-decoration:none;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap: 10px;
  font-weight: 650;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.07); border-color: rgba(42,163,255,.25)}
.btn.primary{
  border-color: rgba(42,163,255,.35);
  background: linear-gradient(145deg, rgba(42,163,255,.18), rgba(42,163,255,.06));
}
.btn.warn{
  border-color: rgba(255,176,0,.40);
  background: linear-gradient(145deg, rgba(255,176,0,.18), rgba(255,176,0,.06));
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:.18rem .52rem;
  border-radius: 999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  font-size: 12px;
  color: var(--muted);
  font-weight: 650;
}

.layout{
  display:grid;
  grid-template-columns: var(--sidebar) 1fr;
  gap: 14px;
  margin-top: 14px;
}
@media (max-width: 980px){
  .layout{grid-template-columns: 1fr}
}

.panel{
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow:hidden;
}
.panel .panel-h{
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border);
}
.panel .panel-h h1,
.panel .panel-h h2{
  margin:0;
  font-size: 16px;
  letter-spacing: .2px;
}
.panel .panel-h p{
  margin:6px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.panel .panel-b{padding: 14px}

.input{
  width:100%;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  padding: .75rem .9rem;
  border-radius: 16px;
  outline:none;
}
.input:focus{
  border-color: rgba(42,163,255,.38);
  box-shadow: 0 0 0 4px rgba(42,163,255,.12);
}

.tagbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{
  user-select:none;
  cursor:pointer;
  padding:.38rem .6rem;
  border-radius: 999px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.03);
  font-weight: 650;
  font-size: 12.5px;
  color: var(--muted);
}
.tag.active{
  color: var(--text);
  border-color: rgba(42,163,255,.35);
  background: rgba(42,163,255,.12);
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
}
@media (max-width: 980px){ .grid{grid-template-columns: repeat(2, minmax(0,1fr));} }
@media (max-width: 560px){ .grid{grid-template-columns: 1fr;} }

.card{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius: 18px;
  overflow:hidden;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  min-height: 220px;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.card:hover{transform: translateY(-2px); border-color: rgba(42,163,255,.22); background: rgba(255,255,255,.05)}
.thumb{
  height: 150px;
  background: rgba(0,0,0,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.thumb img{width:100%;height:100%;object-fit:cover}
.card .meta{padding: 12px 12px 14px}
.card .meta .t{font-weight: 750; margin:0 0 6px}
.card .meta .s{color: var(--muted); font-size: 13px; margin:0}

.viewer{
  margin-top: 14px;
  border:1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow:hidden;
  background: rgba(255,255,255,.03);
}
.viewer .bar{
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.viewer .bar h2{margin:0;font-size: 18px}
.viewer .bar .muted{color: var(--muted); font-size: 13px; margin-top: 6px}
.viewer .nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.viewer img{
  width:100%;
  background: #000;
}

.footer{
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 14px;
  text-align:center;
}
.footer a{color: var(--accent); text-decoration:none}
.footer a:hover{text-decoration:underline}

.hr{height:1px;background:var(--border);margin:10px 0}
.small{font-size: 12.5px; color: var(--muted)}