:root{
  --bg:#f7f8fb; --card:#ffffff; --muted:#6b7280; --accent:#2563eb; --glass:rgba(255,255,255,0.6);
  --shadow: 0 6px 18px rgba(16,24,40,0.08);
}
[data-theme='dark']{
  --bg:#0b1220; --card:#071029; --muted:#9aa4b2; --accent:#3b82f6; --glass:rgba(255,255,255,0.03);
  --shadow: 0 8px 30px rgba(2,6,23,0.6);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,ui-sans-serif,system-ui,Segoe UI,Roboto,'Helvetica Neue',Arial;color:var(--muted);background:linear-gradient(180deg,var(--bg),#fff);}
.container{max-width:1100px;margin:0 auto;padding:20px}
.topbar{background:transparent;padding-top:22px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand h1{margin:0;font-size:20px;color:var(--accent)}
.brand .sub{margin:2px 0 0;font-size:13px;color:var(--muted)}
.search{padding:10px 12px;border-radius:10px;border:1px solid rgba(0,0,0,0.06);min-width:220px}
.controls{display:flex;align-items:center;gap:12px}
.filters{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:14px}
.chip{padding:6px 10px;border-radius:999px;background:var(--glass);border:1px solid rgba(0,0,0,0.04);cursor:pointer;color:var(--muted);font-size:13px}
.chip.active{box-shadow:var(--shadow);border-color:transparent;color:var(--accent);transform:translateY(-2px)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:var(--card);border-radius:12px;padding:16px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column;gap:12px}
.card:hover{transform:translateY(-8px)}
.thumb{height:90px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#eef2ff,#fff)}
.card-title{margin:0;font-size:16px;color:#0f172a}
.card-desc{margin:0;font-size:13px;color:var(--muted);flex:1}
.card-actions{display:flex;gap:8px}
.btn{background:var(--accent);color:white;padding:8px 10px;border-radius:8px;text-decoration:none;border:none;font-size:13px}
.btn-outline{background:transparent;border:1px solid rgba(0,0,0,0.08);color:var(--muted)}
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(2,6,23,0.45);}
.modal[aria-hidden="false"]{display:flex}
.modal-panel{background:var(--card);border-radius:12px;padding:20px;max-width:720px;width:100%;box-shadow:var(--shadow);color:var(--muted)}
.modal-close{position:absolute;right:28px;top:18px;background:transparent;border:0;font-size:22px;color:var(--muted)}
.m-actions{display:flex;gap:8px;margin-top:12px}
.footer{padding:28px 20px;text-align:center;color:var(--muted)}
@media (max-width:600px){.topbar-inner{flex-direction:column;align-items:flex-start}.controls{width:100%}.search{width:100%}}