:root{--bg:#0f0f12;--card:#111215;--accent:#8ab4ff;--muted:#bdbdbd}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:#fff}
header{padding:16px;display:flex;flex-direction:column;gap:8px}
.controls{display:flex;gap:8px;align-items:center}
.controls input{padding:8px;border-radius:6px;border:1px solid #222;background:#0b0b0d;color:#fff;min-width:200px}
.controls button{padding:8px 12px;border-radius:6px;border:none;background:var(--accent);color:#000}
#clear{cursor:pointer;transition:background-color .2s ease}
#clear:hover{background-color:#6a9eff}
.nsfw-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer;margin-left:auto;margin-right:50px}
.nsfw-toggle input{position:absolute;opacity:0;width:0;height:0}
.nsfw-label{user-select:none}

/* Visual switch */
.nsfw-switch{width:44px;height:24px;background:#222;border-radius:999px;display:inline-block;position:relative;border:1px solid rgba(255,255,255,0.04);transition:background .18s ease, border-color .18s ease}
.nsfw-knob{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .18s ease;box-shadow:0 2px 6px rgba(0,0,0,0.45)}
.nsfw-toggle input:focus + .nsfw-switch{outline:2px solid transparent;box-shadow:0 0 0 4px rgba(138,180,255,0.15)}
.nsfw-toggle input:checked + .nsfw-switch{background:var(--accent);border-color:rgba(0,0,0,0.08)}
.nsfw-toggle input:checked + .nsfw-switch .nsfw-knob{transform:translateX(20px)}
.nsfw-toggle:hover{color:#fff}
.tags-bar{padding:8px 16px;display:flex;flex-wrap:wrap;gap:6px}
.tags-bar{transition:max-height .22s ease,opacity .18s ease}
.tags-bar.collapsed{max-height:56px;overflow:hidden}
.tags-bar.expanded{max-height:360px}
.tag{background:#222;padding:6px 10px;border-radius:999px;cursor:pointer;color:var(--muted);font-size:13px}
.tag.active{background:var(--accent);color:#000}
.tag .tag-count{margin-left:6px;opacity:0.75;font-size:12px;color:var(--muted)}
.tags-showmore{background:transparent;border:1px dashed rgba(255,255,255,0.08);color:var(--muted);padding:6px 10px;border-radius:6px;cursor:pointer;font-size:13px}
.tags-showmore:hover{background:rgba(255,255,255,0.02)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;padding:16px}
.card{background:var(--card);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;position:relative}
.card .unblur-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--accent);color:#000;border:none;padding:6px 12px;border-radius:4px;cursor:pointer;font-weight:600;font-size:12px;z-index:10;display:none}
.card.has-nsfw .unblur-btn{display:block}
.card.has-nsfw.unblurred .unblur-btn{display:none}
.thumb{width:100%;height:180px;object-fit:cover;background:#000}
.thumb{transition:transform .18s ease, box-shadow .18s ease}
.thumb:hover{transform:scale(1.03);box-shadow:0 8px 20px rgba(0,0,0,0.5);cursor:zoom-in}
.thumb.nsfw-blur{filter:blur(8px)}
.thumb.nsfw-blur::after{content:'NSFW';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,0.7);color:#fff;padding:8px 12px;border-radius:4px;font-size:12px;font-weight:600}
.meta{padding:8px;display:flex;flex-direction:column;gap:6px}
.title{font-weight:600}
.tags{display:flex;gap:6px;flex-wrap:wrap;font-size:12px}
.empty{padding:40px;text-align:center;color:var(--muted)}
@media (max-width:480px){.thumb{height:140px}}

/* Lightbox styles */
.lightbox{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.8);z-index:1000;padding:40px}
.lightbox.hidden{display:none}
.lightbox-inner{position:relative;max-width:calc(100vw - 80px);max-height:calc(100vh - 80px);display:flex;flex-direction:column;align-items:center}
.lightbox img{max-width:100%;max-height:calc(100vh - 140px);border-radius:8px;box-shadow:0 8px 30px rgba(0,0,0,0.6)}
.lightbox img:focus{outline:none}
.lightbox-caption{margin-top:10px;color:var(--muted);font-size:14px;max-width:90%;text-align:center}
.lightbox-close{position:absolute;top:-10px;right:-10px;background:var(--card);border:none;color:#fff;border-radius:999px;padding:8px 10px;cursor:pointer;font-size:16px}
.lightbox-close:hover{filter:brightness(1.1)}
.lightbox img{cursor:zoom-out}

/* Lightbox nav buttons */
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,0.45);border:none;color:#fff;padding:12px 14px;border-radius:999px;font-size:28px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lightbox-prev{left:18px}
.lightbox-next{right:18px}
.lightbox-nav:hover{background:rgba(0,0,0,0.6)}

/* NSFW gating */
.nsfw-warning{text-align:center;padding:16px;background:rgba(0,0,0,0.5);border-radius:8px;margin-bottom:16px}
.nsfw-warning p{margin:0 0 10px 0;font-size:14px;color:var(--muted)}
.nsfw-button{background:var(--accent);color:#000;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:600;font-size:13px}
.nsfw-button:hover{filter:brightness(0.9)}
.lightbox img{transition:filter .2s ease}
.lightbox img.nsfw-blur{filter:blur(25px)}
.lightbox img.nsfw-unblurred{filter:blur(0)}