/* ProFlip Studio
   Layout: print-shop workbench. Settings rail on the left, the press sheet (live preview with crop marks) on the right. */
:root{
  --ground:#e9edf1;--panel:#ffffff;--panel-2:#f4f6f9;--ink:#121821;--muted:#5a6575;--line:#d7dde5;
  --accent:#0b8fca;--accent-ink:#ffffff;--accent-soft:#e1f2fa;--danger:#d93a3f;--stage:#d9dfe6;
  --f-display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:10px;color-scheme:light
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ground:#0f141a;--panel:#161c24;--panel-2:#1c2430;--ink:#e7ecf2;--muted:#8d99a8;--line:#29323f;
  --accent:#38aee3;--accent-ink:#06121a;--accent-soft:#0f2a38;--danger:#f0575c;--stage:#0b0f14;color-scheme:dark}}
:root[data-theme="dark"]{
  --ground:#0f141a;--panel:#161c24;--panel-2:#1c2430;--ink:#e7ecf2;--muted:#8d99a8;--line:#29323f;
  --accent:#38aee3;--accent-ink:#06121a;--accent-soft:#0f2a38;--danger:#f0575c;--stage:#0b0f14;color-scheme:dark}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--ground);color:var(--ink);font:14px/1.45 var(--f-body);-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

.app{height:100%;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px)}
.topbar{display:flex;align-items:center;gap:16px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);min-height:60px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{position:relative;width:30px;height:24px;display:block}
.brand-mark i{position:absolute;top:0;width:15px;height:24px;background:var(--ink);border-radius:2px 0 0 2px;left:0}
.brand-mark i+i{left:15px;background:var(--accent);border-radius:0 2px 2px 0;transform-origin:left center;transform:perspective(60px) rotateY(-28deg)}
.brand-name{font-family:var(--f-display);font-size:21px;font-weight:700;letter-spacing:-.02em}
.brand-name b{color:var(--accent);font-weight:700}
.doc-meta{flex:1;min-width:180px;display:flex;flex-direction:column}
.title-input{border:1px solid transparent;background:transparent;border-radius:6px;padding:3px 6px;margin-left:-6px;font-weight:600;font-size:15px;max-width:420px;width:100%}
.title-input:hover{border-color:var(--line)}.title-input:focus{outline:none;border-color:var(--accent);background:var(--panel-2)}
.spec{font-family:var(--f-mono);font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.top-actions{display:flex;gap:8px}
.btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:8px;border:1px solid var(--line);background:var(--panel);cursor:pointer;font-weight:500;white-space:nowrap;text-decoration:none;color:var(--ink)}
.btn:hover{background:var(--panel-2)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.ghost{background:transparent}
.btn:focus-visible,.icon-btn:focus-visible,.tabs button:focus-visible,.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn.block{width:100%;justify-content:center}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:8px;background:transparent;cursor:pointer;color:var(--ink)}
.icon-btn:hover{background:var(--panel-2)}

.workspace{flex:1;min-height:0;display:grid;grid-template-columns:360px 1fr}
.panel{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.tabs{display:flex;gap:2px;padding:8px 8px 0;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs button{border:0;background:transparent;padding:10px 10px 11px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;font-size:13.5px}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.panel-body{flex:1;overflow:auto;padding:16px 18px 40px}
.group{display:flex;flex-direction:column;gap:12px;padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.group:last-child{border-bottom:0}
.group h3{margin:0;font-family:var(--f-mono);font-size:11px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.group p.help{margin:-4px 0 0;color:var(--muted);font-size:12.5px;line-height:1.45}
.field{display:flex;flex-direction:column;gap:5px}
.field>span{font-size:12.5px;color:var(--muted)}
.input,.select,textarea.input{height:36px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);padding:0 10px;width:100%;min-width:0}
textarea.input{height:auto;min-height:80px;padding:8px 10px;resize:vertical}
.input:focus,.select:focus{outline:none;border-color:var(--accent)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.end{justify-content:flex-end}
.row>.field{flex:1;min-width:110px}
.color{display:flex;align-items:center;gap:8px;height:36px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);padding:0 6px 0 4px}
.color input[type=color]{width:28px;height:28px;border:0;padding:0;background:transparent;cursor:pointer}
.color input[type=text]{border:0;background:transparent;width:80px;font-family:var(--f-mono);font-size:12.5px}
.color input[type=text]:focus{outline:none}
.switch{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:13.5px;user-select:none}
.switch input{position:absolute;opacity:0;width:1px;height:1px}
.switch span{width:34px;height:20px;border-radius:20px;background:var(--line);position:relative;transition:background .2s;flex:none}
.switch span::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked+span{background:var(--accent)}
.switch input:checked+span::after{transform:translateX(14px)}
.switch input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.switch.small{font-size:12.5px;color:var(--muted)}
.toggles{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.effects{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.chip{border:1px solid var(--line);background:var(--panel-2);border-radius:8px;padding:10px 6px 8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12.5px;font-weight:500}
.chip svg{width:40px;height:26px;stroke-width:1.4;color:var(--muted)}
.chip[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.chip[aria-pressed="true"] svg{color:var(--accent)}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel-2)}
.seg button{flex:1;border:0;background:transparent;padding:8px 6px;cursor:pointer;font-size:12.5px;font-weight:500;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.upload-row{display:flex;align-items:center;gap:10px}
.upload-row img{height:36px;max-width:120px;object-fit:contain;border:1px solid var(--line);border-radius:6px;background:var(--panel-2);padding:3px}
.file-btn{position:relative;overflow:hidden}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.linkish{border:0;background:none;color:var(--accent);cursor:pointer;padding:0;font-size:13px}
.list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.list-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-top:1px solid var(--line);background:var(--panel-2)}
.list-item:first-child{border-top:0}
.list-item .grow{min-width:0}
.list-item input.input{height:30px;background:var(--panel)}
.list-item .pg{width:56px;flex:none}
.tag{font-family:var(--f-mono);font-size:11px;padding:2px 6px;border-radius:4px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.grow{flex:1;min-width:0}
.stat-line{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.stat-line b{color:var(--ink);font-family:var(--f-mono);font-weight:500}
.leads-table{width:100%;border-collapse:collapse;font-size:12.5px}
.leads-table th,.leads-table td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
.leads-table th{font-family:var(--f-mono);font-weight:500;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.scroll-x{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
.code{font-family:var(--f-mono);font-size:12px;line-height:1.5;white-space:pre-wrap;word-break:break-all;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:10px;user-select:all;max-height:160px;overflow:auto}
.qr-box{display:flex;gap:14px;align-items:center}
.qr-box img{width:120px;height:120px;background:#fff;padding:6px;border-radius:6px;border:1px solid var(--line)}
ol.steps{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:13px}
ol.steps b{color:var(--ink);font-weight:600}

.stage-wrap{display:flex;flex-direction:column;min-width:0;min-height:0}
.stage-bar{display:flex;align-items:center;gap:12px;padding:8px 16px;min-height:44px}
.stage-label{font-family:var(--f-mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.stage-sample{font-size:12px;padding:2px 8px;border-radius:20px;background:var(--accent-soft);color:var(--accent);font-weight:500}
.stage{position:relative;flex:1;min-height:0;margin:0 16px 16px;border-radius:4px}
.viewer-host{position:absolute;inset:14px;border-radius:2px;overflow:hidden;background:var(--stage);box-shadow:0 1px 0 var(--line)}
.crop{position:absolute;width:14px;height:14px;border-color:var(--muted);border-style:solid;opacity:.55}
.crop.tl{top:0;left:0;border-width:0 1px 1px 0}
.crop.tr{top:0;right:0;border-width:0 0 1px 1px}
.crop.bl{bottom:0;left:0;border-width:1px 1px 0 0}
.crop.br{bottom:0;right:0;border-width:1px 0 0 1px}
.drop-hint{position:absolute;inset:14px;z-index:50;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 22%,transparent);border:2px dashed var(--accent);border-radius:6px;backdrop-filter:blur(2px)}
.drop-hint div{background:var(--panel);padding:18px 26px;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:2px}
.drop-hint strong{font-family:var(--f-display);font-size:22px}
.drop-hint span{color:var(--muted)}

.sheet{position:fixed;inset:0;z-index:100;background:rgba(8,12,17,.55);display:flex;align-items:flex-start;justify-content:center;padding:max(24px,env(safe-area-inset-top,0px)) 16px 24px;overflow:auto}
.sheet-card{background:var(--panel);border-radius:14px;width:min(560px,100%);padding:18px 20px 22px;box-shadow:0 30px 80px rgba(0,0,0,.35);border:1px solid var(--line)}
.sheet-card.wide{width:min(980px,100%)}
.sheet-card.editor{width:min(1180px,100%)}
.sheet-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sheet-head h2{margin:0;flex:1;font-family:var(--f-display);font-size:22px;letter-spacing:-.01em;text-wrap:balance}
.dropzone{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:28px 20px;border:1.5px dashed var(--line);border-radius:12px;background:var(--panel-2);cursor:pointer;transition:border-color .2s,background .2s}
.dropzone:hover,.dropzone.over{border-color:var(--accent);background:var(--accent-soft)}
.dropzone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.dz-title{font-family:var(--f-display);font-size:19px;font-weight:700}
.dz-sub{color:var(--muted);max-width:52ch;font-size:13px}
.dz-quality{position:relative;z-index:2;display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:6px}
.dz-quality select{height:30px;border-radius:6px;border:1px solid var(--line);background:var(--panel);padding:0 6px}
.progress{margin-top:14px}
.progress-row{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px}
.progress .bar{height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.progress .bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin-top:18px}
.lib-item{display:flex;flex-direction:column;gap:6px;min-width:0}
.lib-cover{position:relative;border:0;padding:0;background:var(--stage);border-radius:4px;cursor:pointer;aspect-ratio:3/4;display:grid;place-items:center;overflow:hidden;box-shadow:0 1px 0 var(--line)}
.lib-cover img{max-width:86%;max-height:86%;box-shadow:4px 6px 14px rgba(0,0,0,.28);border-radius:1px}
.lib-cover.cur{outline:2px solid var(--accent);outline-offset:2px}
.lib-title{font-weight:600;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lib-sub{font-family:var(--f-mono);font-size:11px;color:var(--muted);display:flex;justify-content:space-between;gap:6px;align-items:center}
.lib-sub button{border:0;background:none;color:var(--muted);cursor:pointer;padding:2px;font-size:11.5px}
.lib-sub button:hover{color:var(--danger)}

.editor-body{display:grid;grid-template-columns:1fr 320px;gap:20px;min-height:0}
.canvas-col{min-width:0}
.hint{margin:0 0 10px;color:var(--muted);font-size:13px}
.hot-canvas{position:relative;margin:0 auto;max-width:100%;width:fit-content;box-shadow:0 8px 30px rgba(0,0,0,.18);touch-action:none;user-select:none;cursor:crosshair;background:#fff}
.hot-canvas img{display:block;max-width:100%;max-height:72vh;pointer-events:none}
.hot-layer{position:absolute;inset:0}
.hrect{position:absolute;border:2px solid var(--accent);background:color-mix(in srgb,var(--accent) 16%,transparent);border-radius:3px;cursor:move}
.hrect.sel{border-color:#e8590c;background:rgba(232,89,12,.16)}
.hrect .lbl{position:absolute;top:-1px;left:-1px;transform:translateY(-100%);background:var(--accent);color:#fff;font:500 10.5px var(--f-mono);padding:1px 5px;border-radius:3px 3px 0 0;white-space:nowrap}
.hrect.sel .lbl{background:#e8590c}
.hrect .grip{position:absolute;right:-6px;bottom:-6px;width:12px;height:12px;border-radius:3px;background:#e8590c;cursor:nwse-resize;display:none}
.hrect.sel .grip{display:block}
.form-col{display:flex;flex-direction:column;gap:12px;min-width:0}
.form-col .empty{color:var(--muted);font-size:13px;border:1px dashed var(--line);border-radius:10px;padding:16px}
.hot-pager{display:flex;align-items:center;gap:4px}

.confirm{position:fixed;inset:0;z-index:200;background:rgba(8,12,17,.55);display:grid;place-items:center;padding:16px}
.confirm-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px;width:min(420px,100%)}
.confirm-card p{margin:0 0 16px;line-height:1.5}
.app-toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(10px);background:var(--ink);color:var(--panel);padding:10px 16px;border-radius:8px;font-size:13.5px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:300;max-width:calc(100% - 32px)}
.app-toast.show{opacity:1;transform:translateX(-50%)}

@media (max-width:900px){
  .workspace{grid-template-columns:1fr;grid-template-rows:minmax(420px,62vh) auto;overflow:auto}
  .stage-wrap{order:-1}
  .panel{border-right:0;border-top:1px solid var(--line)}
  .panel-body{overflow:visible}
  .editor-body{grid-template-columns:1fr}
  .top-actions .btn span{display:none}
  .top-actions .btn{padding:0 10px}
  .doc-meta{order:3;flex-basis:100%}
}
@media (max-width:420px){.effects{grid-template-columns:repeat(2,1fr)}.toggles{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}