:root{
  --bg0:#050b1f;
  --bg1:#0b1233;
  --glass: rgba(255,255,255,.06);
  --glass2: rgba(255,255,255,.04);
  --border: rgba(255,255,255,.12);
  --text:#e8eeff;
  --muted: rgba(232,238,255,.72);
  --a:#0ea5e9;
  --b:#a78bfa;
  --danger:#ff4d6d;
  --ok:#22c55e;
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --r: 22px;
}
*{ 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 800px at 20% 10%, rgba(14,165,233,.16), transparent 55%),
              radial-gradient(900px 700px at 80% 80%, rgba(167,139,250,.16), transparent 55%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  color:var(--text);
}
a{ color:inherit; text-decoration:none; }
.container{ width:min(1120px, 92vw); margin:0 auto; }
.small{ font-size:12px; color:var(--muted); }
.h2{ font-size:14px; font-weight:700; letter-spacing:.4px; }
.p{ font-size:13px; color:var(--muted); line-height:1.6; }

.btn{
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(14,165,233,.95), rgba(167,139,250,.95));
  color:#041027;
  font-weight:800;
  padding:10px 14px;
  border-radius:14px;
  cursor:pointer;
  display:inline-flex; align-items:center; gap:10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.btn:hover{ filter:brightness(1.03); }
.btn.ghost{ background: rgba(255,255,255,.06); color:var(--text); }
.iconbtn{
  width:38px;height:38px;border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color:var(--text);
  display:inline-flex; align-items:center; justify-content:center;
  cursor:pointer;
}
.iconbtn.primary{ background: linear-gradient(135deg, rgba(14,165,233,.9), rgba(167,139,250,.9)); color:#041027; }
.iconbtn.danger{ background: rgba(255,77,109,.15); border-color: rgba(255,77,109,.30); }
.iconbtn:hover{ filter:brightness(1.06); }

.panel{
  border:1px solid var(--border);
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border-radius: var(--r);
  box-shadow: var(--shadow);
}
.panel-inner{ padding:18px; }

.center{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; }

.brand{ display:flex; align-items:center; gap:12px; }
.logo{
  width:38px;height:38px;border-radius:12px;
  background:
    radial-gradient(14px 14px at 30% 30%, rgba(34,211,238,.95), transparent 60%),
    radial-gradient(18px 18px at 70% 70%, rgba(139,92,246,.95), transparent 62%),
    linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.brand h1{ margin:0; font-size:15px; }
.brand .sub{ font-size:12px; color:var(--muted); margin-top:2px; }

.field{
  display:flex; align-items:center; gap:10px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  border-radius:14px;
  padding:10px 12px;
}
.field input{
  width:100%;
  outline:none;border:none;background:transparent;color:var(--text);
  font-size:14px;
}
.row{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:12px; }

.err{
  display:none;
  margin-top:10px;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(255,77,109,.35);
  background: rgba(255,77,109,.12);
  color:#ffd4db;
  font-size:13px;
}
.err.show{ display:block; }

.topbar{
  position:sticky; top:0; z-index:10;
  background: rgba(5,11,31,.55);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.topbar-inner{ height:72px; display:flex; align-items:center; justify-content:space-between; }

.main{ padding:18px 0 32px; }
.footer{ text-align:center; margin-top:18px; color:rgba(232,238,255,.45); font-size:12px; }

.admin-shell{ display:grid; grid-template-columns: 240px 1fr; gap:14px; }
.sidebar{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: var(--r);
  padding:12px;
  box-shadow: var(--shadow);
}
.side-title{ display:flex; gap:10px; align-items:center; padding:10px 10px 12px; }
.side-title .txt{ font-weight:800; font-size:13px; }
.side-list{ display:flex; flex-direction:column; gap:8px; }
.side-item{
  padding:10px 10px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  cursor:pointer;
  font-size:13px;
}
.side-item.active{
  background: linear-gradient(135deg, rgba(14,165,233,.22), rgba(167,139,250,.22));
  border-color: rgba(255,255,255,.18);
}
.admin-main{ min-height:520px; }
.admin-toolbar{ display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:12px; }
.uploader{ display:flex; gap:10px; align-items:center; }
.filepick{ display:none; }

.grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap:12px; }
@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
  .admin-shell{ grid-template-columns: 1fr; }
}
.card{
  border:1px solid rgba(255,255,255,.12);
  border-radius: var(--r);
  background: rgba(255,255,255,.05);
  overflow:visible;
}
.thumb{
  height:140px;
  background: rgba(0,0,0,.22);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
}
.thumb img{ width:100%; height:100%; object-fit:cover; display:block; }
.meta{ padding:12px; }
.name{
  font-size:13px;
  font-weight:700;
  line-height:1.3;
  word-break: break-word;
  min-height: 34px;
}
.actions{ display:flex; align-items:center; justify-content:space-between; margin-top:10px; }
.pager{ display:flex; justify-content:center; gap:8px; margin-top:14px; }
.page{
  width:38px;height:38px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  font-weight:700;
}
.page.active{ background: linear-gradient(135deg, rgba(14,165,233,.26), rgba(167,139,250,.26)); }

.toast{
  position:fixed; left:50%; bottom:20px;
  transform: translateX(-50%);
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(5,11,31,.75);
  backdrop-filter: blur(10px);
  color:var(--text);
  box-shadow: var(--shadow);
  opacity:0; pointer-events:none;
  transition: opacity .22s ease, transform .22s ease;
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(-4px); }

body.preview{ background: linear-gradient(180deg, var(--bg0), var(--bg1)); }
.preview-wrap{ width:min(980px, 92vw); margin:20px auto; }
.preview-title{ font-size:14px; font-weight:800; margin:0 0 12px; color: rgba(232,238,255,.88); }
.pv-img{
  width:100%;
  border-radius: var(--r);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.pv-media{
  width:100%;
  border-radius: var(--r);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.35);
}
.pv-iframe{
  width:100%;
  height:72vh;
  border-radius: var(--r);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
}
.preview-actions{ margin-top:12px; display:flex; gap:10px; }

.fx{ position:fixed; inset:0; pointer-events:none; overflow:hidden; }
.code-rain{ position:absolute; inset:0; opacity:.0; transition: opacity .25s ease; }
.code-rain.show{ opacity:.75; }
.scan-line{
  position:absolute; left:0; right:0; top:-20%;
  height:22%;
  background: linear-gradient(180deg, transparent, rgba(14,165,233,.35), transparent);
  filter: blur(0.3px);
  animation: scan 1.4s linear infinite;
  opacity:0;
}
.scan-line.show{ opacity:1; }
@keyframes scan{
  from{ transform: translateY(-30%); }
  to{ transform: translateY(520%); }
}