/* Chỉnh sửa ảnh — giao diện pastel, Times New Roman, tối ưu cảm ứng. */
:root{
  --ink:#25233b;--muted:#6f6b84;--accent:#6e57c7;--accent-2:#937df0;--accent-soft:#eee9ff;
  --line:#e7e4ef;--surface:#fff;--bg:#f5f3fa;--warn-bg:#fff6e8;--warn-line:#f1dfb8;--warn-ink:#6f5728;
  --ok:#2f9c72;--danger:#b24b61;--shadow:0 10px 34px #312a5121;--radius:14px;
  --tap:44px;--header:72px;
  --safe-b:env(safe-area-inset-bottom,0px);--safe-l:env(safe-area-inset-left,0px);--safe-r:env(safe-area-inset-right,0px);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"Times New Roman",Times,Georgia,serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}
body{overscroll-behavior-y:none}
a{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
button:disabled{opacity:.42;cursor:not-allowed}
:focus-visible{outline:3px solid #aa97f4;outline-offset:2px}
.hidden{display:none!important}
.app{min-height:100dvh;display:flex;flex-direction:column}

/* ---------- Thanh trên ---------- */
.topbar{min-height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 22px;padding-left:calc(22px + var(--safe-l));padding-right:calc(22px + var(--safe-r));background:#ffffffe6;border-bottom:1px solid var(--line);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;min-width:0}
.brand img{border-radius:12px;flex-shrink:0}
.brand strong{display:block;font-size:24px;line-height:1.05;letter-spacing:.2px}
.brand small{display:block;color:var(--muted);font-size:12.5px;margin-top:3px}
.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:40px;padding:9px 14px;border:1px solid var(--line);background:#fff;border-radius:11px;font-size:15px;font-weight:700;white-space:nowrap;transition:background .15s,border-color .15s}
.btn:hover:not(:disabled){border-color:#ad9be9;background:#faf8ff}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover:not(:disabled){background:#5c46b5}
.btn.soft{background:var(--accent-soft);border-color:var(--accent-soft);color:#4f419a}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn.danger{color:var(--danger)}
.btn.tiny{min-height:36px;padding:7px 11px;font-size:14px}
.btn.icon{min-width:36px;padding:7px 9px;font-size:17px}
.btn.wide{width:100%}
.btn[aria-pressed="true"]{background:#ece6ff;border-color:#b9a8f2;color:#4a3b9c}
.row-actions{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.row-actions.center{justify-content:center}
.row-actions.end{justify-content:flex-end;margin-top:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px}
.grid2 .btn{white-space:normal;line-height:1.15}

/* ---------- Bố cục ---------- */
.workbench{flex:1;display:grid;grid-template-columns:272px minmax(0,1fr) 318px;min-height:0}
.sidebar{background:#fff;padding:16px 15px 24px;overflow:auto;min-height:0;border-right:1px solid var(--line)}
@media (min-width:821px){.app{height:100dvh}.workbench{min-height:0;overflow:hidden}.stage-pane{min-height:0}}
.sidebar.right{border-right:0;border-left:1px solid var(--line);padding-top:0}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 10px}
.section-title h2{margin:0;font-size:20px}
.section-title h3{margin:0;font-size:18px}
.count{font-size:12px;color:var(--muted);font-family:Arial,sans-serif}
.eyebrow{text-transform:uppercase;letter-spacing:.11em;color:#8e84a9;font-family:Arial,sans-serif;font-size:10px;font-weight:700}
.pill{padding:3px 8px;border-radius:18px;background:#f0edfc;color:#6954b4;font-size:11px;font-family:Arial,sans-serif;font-weight:700}
.panel h3{font-size:17px;margin:16px 0 9px}
.panel>h3:first-child{margin-top:12px}
.subhead{font-size:13.5px;line-height:1.5;color:var(--muted);margin:8px 0}
.small{font-size:13px;color:var(--muted)}
.rule{height:1px;background:var(--line);margin:16px 0}
.notice{margin-top:12px;padding:10px 12px;background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:10px;color:var(--warn-ink);font-size:13px;line-height:1.45}

/* Tab bên phải */
.tabs{position:sticky;top:0;z-index:2;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;background:#fff;padding:12px 0 10px;margin:0 -2px;border-bottom:1px solid var(--line)}
.tabs::-webkit-scrollbar{display:none}
.tabs button{flex:0 0 auto;min-height:38px;padding:7px 10px;border-radius:10px;font-size:14px;font-weight:700;color:var(--muted);border:1px solid transparent}
.tabs button[aria-selected="true"]{background:var(--accent-soft);color:#4a3b9c;border-color:#d5c9fb}
.mobile-only{display:none}
.sidebar.right .panel{display:none}
body[data-tab="cutout"] .panel[data-tab="cutout"],body[data-tab="beauty"] .panel[data-tab="beauty"],body[data-tab="adjust"] .panel[data-tab="adjust"],body[data-tab="layers"] .panel[data-tab="layers"],body[data-tab="server"] .panel[data-tab="server"]{display:block}

/* Thư viện */
.toolnav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:12px 0 18px}
.tool{min-height:62px;padding:9px 4px;background:#f8f7fb;border:1px solid transparent;border-radius:13px;display:flex;align-items:center;flex-direction:column;gap:4px;font-size:13px;text-align:center}
.tool span{font-size:21px;line-height:1}
.tool[aria-selected="true"]{background:#eeeaff;border-color:#baaaf3;color:#5948ac}
.searchbox{width:100%;min-height:40px;background:#f8f7fc;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:15px}
.template-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
.template{border:1px solid var(--line);background:#fff;border-radius:13px;padding:7px;display:flex;flex-direction:column;align-items:center;gap:5px;min-height:108px}
.template:hover{border-color:#b7a5ee;background:#fbfaff}
.template img{height:70px;width:100%;object-fit:contain;background:radial-gradient(ellipse,#f9f5ff 28%,#fff 75%);border-radius:8px}
.template small{font-size:12.5px;font-weight:700;line-height:1.15;text-align:center}
.seed{width:96px;min-height:36px;border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:14px;background:#fff}

/* ---------- Sân khấu ---------- */
.stage-pane{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative;background:var(--bg)}
.stage-toolbar{padding:10px 14px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;border-bottom:1px solid var(--line);background:#fbfafe}
.cluster{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.stage{flex:1;min-height:420px;position:relative;overflow:auto;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at 50% 30%,#fff 0,#f5f1f8 65%,#efebf5 100%)}
.stage.zoomed{place-items:start}
#artboard{display:none;position:relative;flex-shrink:0;margin:auto;box-shadow:0 18px 55px #34254530;touch-action:none;background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0}
#renderCanvas,#guidesCanvas{position:absolute;inset:0;width:100%;height:100%}
#guidesCanvas{touch-action:none;cursor:crosshair;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.empty{max-width:470px;text-align:center;border:2px dashed #cabdeb;border-radius:22px;padding:26px 26px 22px;background:#ffffffc4}
.empty img{max-width:100%;height:auto}
.empty h2{font-size:25px;margin:8px 0 8px}
.empty p{font-size:16px;color:var(--muted);line-height:1.5;margin:8px 0 14px}
.empty .small{font-size:13px;margin:14px 0 0}
.busy{position:absolute;left:50%;top:18px;transform:translateX(-50%);z-index:5;display:flex;align-items:center;gap:10px;background:#2f274cee;color:#fff;padding:10px 16px;border-radius:30px;font-size:15px;box-shadow:var(--shadow)}
.busy[hidden]{display:none}
.spinner{width:18px;height:18px;border-radius:50%;border:3px solid #ffffff55;border-top-color:#fff;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stage-tip{padding:8px 16px;color:#686477;font-size:13px;border-top:1px solid var(--line);display:flex;align-items:center;gap:8px;justify-content:space-between;flex-wrap:wrap;background:#fbfafe}
.hint-pill{display:inline-block;border-radius:30px;background:#f0ebfe;padding:2px 10px;color:#5d4aa9;font-weight:700}
.drop-on .stage{outline:4px dashed #a392eb;outline-offset:-10px}

/* ---------- Trường nhập ---------- */
.field{margin:12px 0}
.field label{font-size:14px;font-weight:700;display:flex;justify-content:space-between;margin-bottom:6px;gap:8px}
.field label span{font-weight:400;color:var(--muted);font-family:Arial,sans-serif;font-size:12.5px}
.field input[type=range]{width:100%;accent-color:var(--accent);min-height:28px}
.field input[type=text],.field input[type=url],.field input[type=password],.field select,.field textarea{width:100%;min-height:40px;border:1px solid var(--line);padding:9px 10px;border-radius:9px;background:#fff;font-size:15px}
.field textarea{min-height:72px;resize:vertical}
.checkline{display:flex;align-items:center;gap:8px;margin:10px 0;color:#5f5974;font-size:14px;min-height:32px}
.checkline input{width:18px;height:18px;accent-color:var(--accent)}
.seg{display:grid;grid-template-columns:1fr 1fr;background:#f3f1f8;border-radius:11px;padding:3px;gap:3px}
.seg button{min-height:36px;border-radius:9px;font-size:13.5px;font-weight:700;color:var(--muted)}
.seg button[aria-pressed="true"]{background:#fff;color:#4a3b9c;box-shadow:0 1px 4px #2a1f5522}
.lib-style{margin-bottom:9px}
.seg button.on{background:#fff;color:#4a3b9c;box-shadow:0 1px 4px #2a1f5522}
.swatches{display:flex;flex-wrap:wrap;gap:9px}
.swatch{width:32px;height:32px;border-radius:50%;border:2px solid #e4e1ec;position:relative;flex-shrink:0}
.swatch.selected{outline:2.5px solid var(--accent);outline-offset:2px}
.swatch input[type=color]{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer;border:0;padding:0}
.swatch.custom{background:conic-gradient(#f66,#fd6,#6d6,#6dd,#66f,#d6d,#f66)}
.status{display:flex;align-items:center;gap:8px;background:#f7f6fa;padding:10px 12px;border-radius:10px;font-size:13.5px;line-height:1.4;color:#5f5a6f;margin-top:12px}
.status.ok-soft{background:#eef8f3}
.dot{height:9px;width:9px;background:#d39b47;border-radius:50%;flex-shrink:0}
.dot.ok{background:var(--ok)}
.dot.err{background:#cf5468}
.preset-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}
.preset{min-height:58px;border-radius:11px;border:1px solid var(--line);font-size:12.5px;font-weight:700;display:flex;align-items:flex-end;justify-content:center;padding:6px;color:#fff;text-shadow:0 1px 3px #0007;background-size:cover}
.preset.on{outline:2.5px solid var(--accent);outline-offset:2px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:20px;padding:4px 6px 4px 11px;font-size:13px;background:#fff}
.chip button{width:24px;height:24px;border-radius:50%;color:var(--danger)}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:8px}
.thumbs button{position:relative;border-radius:9px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1;background:#f5f3fa}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.thumbs small{position:absolute;left:3px;bottom:3px;background:#0008;color:#fff;font-size:10px;border-radius:5px;padding:1px 4px;font-family:Arial,sans-serif}
.face-targets{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.face-targets button{min-height:36px;padding:5px 10px;border-radius:20px;border:1px solid var(--line);font-size:13.5px;font-weight:700;background:#fff}
.face-targets button[aria-pressed="true"]{background:var(--accent-soft);border-color:#c8b9f7;color:#4a3b9c}
.layer-list{display:grid;gap:7px}
.layer{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:11px;background:#fff;padding:6px 6px 6px 8px}
.layer.active{border-color:var(--accent);background:#f6f2ff}
.layer .pick{display:flex;gap:9px;align-items:center;flex:1;min-width:0;text-align:left;min-height:40px}
.layer-thumb{width:38px;height:38px;object-fit:contain;border-radius:7px;background:#f6f6fa;flex-shrink:0}
.layer .name{font-size:14px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layer .name small{display:block;font-weight:400;color:var(--muted);font-size:11.5px;margin-top:2px}
.layer .eye{width:34px;height:34px;border-radius:9px;font-size:16px}
.progress .bar{height:9px;border-radius:9px;background:#efecf7;overflow:hidden;margin:12px 0 6px}
.progress .bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .3s}
.progress .row-actions{justify-content:space-between}

/* ---------- Hộp thoại, thông báo ---------- */
.modal-mask{position:fixed;inset:0;z-index:40;background:#18122798;display:none;align-items:center;justify-content:center;padding:16px}
.modal{width:min(100%,520px);max-height:calc(100dvh - 32px);overflow:auto;background:#fff;border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.modal h2{font-size:23px;margin:0 0 10px}
.modal p,.modal li{line-height:1.55;color:#57536a}
.video-wrap{background:#151320;border-radius:12px;overflow:hidden;display:grid;place-items:center;max-height:min(52dvh,420px)}
.video-wrap video{max-width:100%;max-height:min(52dvh,420px);display:block}
.take-row{display:flex;gap:14px;align-items:flex-start}.take-row img{width:120px;height:auto;border-radius:10px;border:1px solid var(--line);flex-shrink:0}.take-row .field{margin:0}
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:10px 0}
.steps figure{margin:0;background:#faf9fd;border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center}
.steps img{width:100%;height:auto}
.steps figcaption{font-size:13.5px;color:#57536a;line-height:1.35}
.toast{position:fixed;bottom:calc(22px + var(--safe-b));left:50%;transform:translateX(-50%);background:#2f274c;color:#fff;padding:12px 18px;border-radius:13px;box-shadow:var(--shadow);z-index:100;max-width:min(92vw,540px);text-align:center;opacity:0;pointer-events:none;transition:opacity .18s;font-size:15px;line-height:1.4}
.toast.show{opacity:1}
.footer{font-size:12.5px;color:#7f7a92;text-align:center;padding:8px 12px calc(8px + var(--safe-b));background:#fff;border-top:1px solid var(--line);line-height:1.5}

/* ---------- Màn hình vừa ---------- */
@media (max-width:1180px){
  .workbench{grid-template-columns:236px minmax(0,1fr) 290px}
  .sidebar{padding:14px 11px 22px}
  .top-actions .optional{display:none}
  .toolnav{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- Điện thoại / máy tính bảng dọc ---------- */
@media (max-width:820px){
  :root{--header:auto}
  .topbar{padding:8px 12px;padding-top:calc(8px + env(safe-area-inset-top,0px));gap:8px}
  .brand img{width:36px;height:36px}
  .brand strong{font-size:19px}
  .brand small{display:none}
  .top-actions .optional{display:none}
  .top-actions .btn{min-height:40px;padding:8px 11px;font-size:14px}
  .workbench{display:flex;flex-direction:column}
  .stage-pane{order:0;position:sticky;top:0;z-index:20;height:min(56dvh,560px);box-shadow:0 6px 18px #2a1f5514}
  .stage{min-height:0;padding:10px}
  .stage-toolbar{padding:7px 8px;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .stage-toolbar::-webkit-scrollbar{display:none}
  .cluster{flex-wrap:nowrap}
  .stage-tip{padding:5px 10px;font-size:12px}
  .sidebar,.sidebar.right{max-height:none;overflow:visible;border:0;padding:0 14px 18px}
  .sidebar.left{order:2}
  .sidebar.right{order:1}
  .tabs{position:static;margin:0 -14px;padding:10px 12px;border-bottom:1px solid var(--line)}
  .mobile-only{display:inline-flex}
  .sidebar.left .panel{display:none}
  body[data-tab="library"] .sidebar.left .panel{display:block;padding-top:14px}
  .toolnav{grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}
  .tool{min-height:58px;font-size:11.5px;padding:7px 2px}
  .template-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .empty{padding:14px}
  .empty img{width:170px}
  .empty h2{font-size:20px}
  .empty p{font-size:14.5px;margin:6px 0 10px}
  .footer{order:9}
}
@media (max-width:430px){
  .template-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .toolnav{grid-template-columns:repeat(3,minmax(0,1fr))}
  .btn.tiny{padding:7px 9px;font-size:13.5px}
  .empty p.small{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}