*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0e0e0e;color:#eee;font:14px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans Thai",sans-serif}
a{color:#7dc8ff;text-decoration:none}
button{cursor:pointer;background:#242424;color:#eee;border:1px solid #333;border-radius:6px;padding:6px 12px;font:inherit}
button:hover{background:#2f2f2f}
input,select{background:#161616;color:#eee;border:1px solid #333;border-radius:6px;padding:6px 8px;font:inherit;outline:none;width:100%}
input:focus,select:focus{border-color:#5aa9ff}
.hidden{display:none !important}
.muted{color:#888}

/* Password gate */
.gate{position:fixed;inset:0;background:#0a0a0a;display:flex;align-items:center;justify-content:center;z-index:1000}
.gate-box{background:#141414;border:1px solid #2a2a2a;border-radius:12px;padding:32px;width:min(360px,92vw);text-align:center}
.gate-box h1{margin:0 0 16px;font-size:18px;font-weight:600}
.gate-box input{text-align:center;font-size:16px;padding:10px 12px;margin-bottom:12px}
.gate-box button{width:100%;padding:10px;background:#2a6bd8;border-color:#2a6bd8}
.gate-box button:hover{background:#3a7be8}
.gate-err{color:#ff6b6b;margin-top:10px;font-size:13px;min-height:16px}

/* Layout */
header#topbar{position:sticky;top:0;background:#0e0e0e;border-bottom:1px solid #222;display:flex;gap:16px;align-items:center;padding:10px 16px;z-index:10}
.brand{display:flex;gap:8px;align-items:center;font-weight:600;flex:0 0 auto}
.brand .logo{color:#5aa9ff;font-size:20px}
.search-wrap{flex:1;max-width:520px}
.lang{display:flex;gap:4px}
.lang-btn{padding:6px 10px;background:transparent;border:1px solid #2a2a2a}
.lang-btn.active{background:#5aa9ff;color:#0a0a0a;border-color:#5aa9ff;font-weight:600}

main#main{display:grid;grid-template-columns:260px 1fr;gap:16px;padding:16px;max-width:1600px;margin:0 auto}
aside#sidebar{position:sticky;top:60px;align-self:flex-start;display:flex;flex-direction:column;gap:14px;padding:14px;background:#141414;border:1px solid #222;border-radius:10px;max-height:calc(100vh - 90px);overflow:auto}
.counts{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:10px;border-bottom:1px solid #222;font-size:13px}
.counts b{font-size:16px;color:#fff}
.filter{display:flex;flex-direction:column;gap:6px}
.filter label{font-size:12px;color:#aaa;text-transform:uppercase;letter-spacing:.05em}
.range{display:grid;grid-template-columns:1fr 1fr;gap:6px}
#reset-filters{background:transparent;border:1px dashed #333}
.primary-action{background:#2a6bd8;border-color:#2a6bd8;color:#fff;font-weight:600}
.primary-action:hover{background:#3a7be8}
.primary-action:disabled{cursor:not-allowed;background:#202020;border-color:#333;color:#777}
.category-list{display:flex;flex-direction:column;gap:6px}
.category-btn{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:7px 8px;background:#181818;border-color:#2a2a2a;text-align:left}
.category-btn span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.category-btn b{flex:0 0 auto;color:#888;font-size:11px;font-weight:600}
.category-btn.active{background:#1d3554;border-color:#5aa9ff;color:#fff}
.category-btn.active b{color:#b8dcff}

/* Grid */
#grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.card{background:#141414;border:1px solid #222;border-radius:10px;overflow:hidden;transition:transform .1s, border-color .1s;cursor:pointer}
.card:hover{border-color:#3a7be8;transform:translateY(-2px)}
.card .thumb{aspect-ratio:1;background:#0a0a0a;display:flex;align-items:center;justify-content:center;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .thumb .ph{color:#333;font-size:48px}
.card .meta{padding:10px 12px}
.card .name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.category-chip{display:inline-flex;max-width:100%;margin-top:6px;padding:3px 7px;background:#1b2633;border:1px solid #2d4b68;border-radius:4px;color:#a9d4ff;font-size:11px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.category-chip:hover{background:#24384c;border-color:#5aa9ff}
.card .dims{color:#888;font-size:12px;margin-top:3px}
.card .variants{color:#5aa9ff;font-size:11px;margin-top:4px}
.empty{padding:60px;text-align:center;color:#666;grid-column:1/-1}

/* Family expand */
.card.family .badge{display:inline-block;background:#2a3a5a;color:#8ac0ff;font-size:10px;padding:2px 6px;border-radius:4px;margin-left:6px}

@media (max-width:820px){
  main#main{grid-template-columns:1fr}
  aside#sidebar{position:static;max-height:none}
}