/* Làm nét ảnh + xoá chữ/vật thể (11/11/2026) — /lam-net-anh/, /xoa-chu-tren-anh/. Dựa trên UI kit (kit.css). */
.ai-work{margin-top:4px}
.ai-opts{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:flex-end;margin-bottom:10px}
.ai-lb{display:block;font-size:13px;color:var(--t-mute);margin-bottom:4px;font-weight:600}
.ai-tools{align-items:center;gap:10px}
.ai-brush{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t-mute);font-weight:600}
.ai-brush input{width:120px;accent-color:var(--t-main)}
.ai-stage{position:relative;margin:8px 0 12px;background:#e9eef6 repeating-conic-gradient(#dfe5ee 0 25%,#eef2f8 0 50%) 0 0/20px 20px;border-radius:var(--t-r);overflow:hidden;display:flex;justify-content:center}
.ai-cmp{position:relative;display:inline-block;max-width:100%;line-height:0;user-select:none;-webkit-user-select:none;touch-action:pan-y}
.ai-cmp img{display:block;max-width:100%;max-height:70vh;width:auto;height:auto}
.ai-cmp .ai-after{position:absolute;inset:0;clip-path:inset(0 0 0 50%)}
.ai-cmp .ai-after img{width:100%;height:100%;max-height:none;object-fit:fill}
.ai-cmp input[type=range]{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:3}
.ai-cmp::after{content:"";position:absolute;top:0;bottom:0;left:var(--x,50%);width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.25);pointer-events:none;z-index:2;opacity:var(--line,1)}
.ai-cmp::before{content:"⇆";position:absolute;top:50%;left:var(--x,50%);transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;background:#fff;color:var(--t-main);font:700 18px/38px var(--t-font);text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.25);pointer-events:none;z-index:2;opacity:var(--line,1)}
.ai-cmp.single::before,.ai-cmp.single::after{display:none}
.ai-tag{position:absolute;top:10px;background:rgba(17,24,39,.65);color:#fff;font:600 12px/1 var(--t-font);padding:5px 8px;border-radius:6px;z-index:2;pointer-events:none}
.ai-tag.l{left:10px}.ai-tag.r{right:10px}
#ai-mask{position:absolute;inset:0;width:100%;height:100%;z-index:4;cursor:crosshair;touch-action:none}
.ai-busy{position:absolute;inset:0;background:rgba(255,255,255,.82);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;z-index:6;text-align:center}
.ai-busy .t-progress{width:min(320px,80%)}
.ai-busy p{margin:6px 0 0;font-weight:600;color:var(--t-ink)}
.ai-main{margin-top:6px}
.ai-done{margin-top:16px;padding:14px 16px;border-radius:var(--t-r);background:var(--t-ok-l);border:1px solid #b7e4cf}
.ai-info{margin:0 0 10px;font-weight:600}
.ai-demos{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.ai-dm{margin:0;background:#fff;border:1px solid var(--t-line);border-radius:var(--t-r);overflow:hidden}
.ai-dm .ai-cmp{display:block;width:100%}
.ai-dm .ai-cmp img{width:100%;max-height:none;height:100%;object-fit:cover}
.ai-dm figcaption{padding:10px 14px;font-size:14px;color:var(--t-mute)}
.ai-rel{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.ai-rel a{display:flex;flex-direction:column;gap:2px;border:1px solid var(--t-line);border-radius:14px;padding:14px 16px;background:#fff;text-decoration:none;color:var(--t-ink)}
.ai-rel a:hover{border-color:var(--t-main)}
.ai-rel span{font-size:13px;color:var(--t-mute)}
@media (max-width:600px){.ai-cmp img{max-height:60vh}.ai-tools .t-btn{flex:1 1 auto}}