:root{
  --bg:#0b0e13; --card:#121826; --muted:#7a8499; --text:#e8eefc; --brand:#6aa1ff; --accent:#9b8cff;
  --ring: 0 0 0 3px rgba(106,161,255,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:15px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--text);background:radial-gradient(1200px 800px at 10% -10%, #1a2233 0%, #0b0e13 60%);}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:20px}
header.app-header{position:sticky;top:0;z-index:10;background:linear-gradient(180deg, rgba(11,14,19,.95), rgba(11,14,19,.7) 60%, rgba(11,14,19,0));backdrop-filter: blur(8px)}
.bar{display:flex;gap:12px;align-items:center;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.logo-badge{width:28px;height:28px;border-radius:8px;background:conic-gradient(from 180deg, #ffb86b, #ff6a95, #6aa1ff, #a8ff78, #ffb86b);display:inline-grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.logo-badge:after{content:"\2600";color:#111;font-size:14px;filter:drop-shadow(0 1px 0 rgba(255,255,255,.6))}
.search{flex:1;display:flex;gap:8px}
.input{flex:1;border:1px solid #2a3448;background:#0e1420;color:var(--text);padding:10px 12px;border-radius:10px;outline:none}
.input:focus{box-shadow:var(--ring);border-color:#2f6fed}
.btn{border:1px solid #2a3448;background:linear-gradient(180deg,#182133,#111826);color:var(--text);padding:10px 12px;border-radius:10px;cursor:pointer}
.btn:hover{border-color:#3a4a6b}
.pill{padding:8px 12px;border-radius:999px;background:#151d2c;border:1px solid #283148;color:#c6d2f7;cursor:pointer}
.pill.active{outline:var(--ring);border-color:#355bd6}
.grid{display:grid;grid-template-columns:repeat(12, 1fr);gap:12px}
.card{grid-column: span 4; background:linear-gradient(180deg, #0e1420, #0b111b); border:1px solid #1f2a40; border-radius:16px; overflow:hidden; position:relative}
@media (max-width: 1000px){ .card{grid-column: span 6} }
@media (max-width: 640px){ .card{grid-column: span 12} }
.media{aspect-ratio:1/1; width:100%; height:auto; display:block; object-fit:cover; background:#0f1522}
.card .meta{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-top:1px solid #1b2336}
.row{display:flex;gap:8px;align-items:center}
.avatar{width:28px;height:28px;border-radius:8px;background:#222c42;display:grid;place-items:center;font-size:12px;border:1px solid #2a3448}
.tag{font-size:12px;color:#a9b7da;background:#0e1727;border:1px solid #29324a;padding:4px 8px;border-radius:8px}
.muted{color:var(--muted)}
.heart{cursor:pointer;user-select:none;display:inline-flex;gap:6px;align-items:center}
.heart svg{width:18px;height:18px;transition: transform .2s ease}
.heart.liked svg{transform: scale(1.15)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.drop{border:1.5px dashed #2a3448;border-radius:16px;padding:14px 14px;background:#0e1420;display:flex;align-items:center;justify-content:space-between;gap:12px}
.drop input{display:none}
.drop .hint{color:#b6c3ea}
.lightbox{position:fixed;inset:0;background:rgba(5,8,13,.85);display:none;align-items:center;justify-content:center;z-index:50}
.lightbox.open{display:flex}
.lb-wrap{position:relative;max-width:min(96vw,1200px);max-height:86vh}
.lb-img{max-width:100%;max-height:86vh;border-radius:14px;border:1px solid #2a3448;display:block;background:#0d1421}
.arrow{position:absolute;top:50%;transform:translateY(-50%);background:#0e1625;border:1px solid #2a3448;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;cursor:pointer}
.arrow:hover{border-color:#3a4a6b}
.arrow.left{left:-56px}
.arrow.right{right:-56px}
.close{position:absolute;top:-56px;right:0;background:#0e1625;border:1px solid #2a3448;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;cursor:pointer}
footer{opacity:.7;padding:30px 0;text-align:center}
.chipbar{display:flex;gap:8px;overflow:auto;padding-bottom:6px}
.chipbar::-webkit-scrollbar{height:8px}
.chipbar::-webkit-scrollbar-thumb{background:#1f2a40;border-radius:999px}

.auth-controls{display:flex;gap:8px;align-items:center}
#whoami{font-size:12px}

.login-overlay{position:fixed;inset:0;background:linear-gradient(180deg, rgba(11,14,19,.95), rgba(11,14,19,.9));display:grid;place-items:center;z-index:100}
.login-card{width:min(92vw,420px);background:#0f1624;border:1px solid #22314d;border-radius:16px;padding:18px;display:grid;gap:10px;box-shadow:0 10px 40px rgba(0,0,0,.35)}
.login-card label{display:grid;gap:6px}
.login-card .btn{width:100%}