/* imageman-fast · css/style.css */

:root{
  --bg:#0f1117;
  --panel:#171b24;
  --text:#f4f7fb;
  --muted:#9aa6ba;
  --line:#30384b;
  --accent:#7aa2ff;
  --danger:#ff6b6b;
  --good:#55d68a;
  --warn:#f7c948;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;
  background:radial-gradient(circle at top,#1b2435 0,#0f1117 45%,#090b10 100%);
  color:var(--text);
  height:100vh;
  overflow:hidden;
}

/* ── Header ── */
header{
  height:52px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 16px;
  border-bottom:1px solid var(--line);
  background:rgba(15,17,23,.95);
  backdrop-filter:blur(16px);
  z-index:10;
  position:relative;
}
header h1{
  margin:0;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.3px;
  white-space:nowrap;
  background:linear-gradient(135deg,#a3beff,#7aa2ff 60%,#5580e8);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.top-actions{display:flex;gap:8px;align-items:center;margin-left:auto;flex-wrap:wrap}

/* ── Base inputs ── */
button,.fileLabel,select,input[type=text],textarea,input[type=number]{
  border:1px solid #3a4358;
  background:#22293a;
  color:var(--text);
  padding:8px 11px;
  border-radius:9px;
  font-weight:650;
  font-size:13px;
}
textarea{ width:100%; min-height:68px; resize:vertical; font-family:inherit; font-weight:500; }
button,.fileLabel,select{cursor:pointer; transition:background .12s,border-color .12s;}
button:hover,.fileLabel:hover,select:hover{background:#2a3348}
button.primary{background:#284b9f;border-color:#3b69dc}
button.good   {background:#1f5134;border-color:#379c61}
button.danger {background:#3a2428;border-color:#7b3943}
button.warn   {background:#4b3b1c;border-color:#8a6b2f}
button:disabled{opacity:.45;cursor:not-allowed}
.badge{
  color:#cbd7ee;font-size:11px;background:#263049;border:1px solid #3c4760;
  padding:3px 7px;border-radius:999px;
}
input[type=file]{display:none}
input[type=range]{width:100%;accent-color:var(--accent)}
input[type=color]{width:44px;height:32px;border:1px solid #3a4358;border-radius:8px;background:#22293a;padding:3px;}

/* ── Layout ── */
main{
  height:calc(100vh - 52px);
  display:grid;
  grid-template-columns:330px minmax(380px,1fr) 360px;
  gap:1px;
  background:var(--line);
}
aside,.viewer{background:var(--bg);min-height:0;}
aside{overflow-y:auto;overflow-x:hidden;padding:12px;overflow-anchor:none;}

/* ── Panels ── */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:13px;
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .15s, box-shadow .15s;
}
.panel h2{
  margin:0;
  padding:10px 12px;
  font-size:13.5px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
  user-select:none;
  transition:background .12s;
}
.panel h2:hover{background:rgba(255,255,255,.025)}
.panel h2 > *:not(.panel-drag-handle):not(.panel-toggle){ flex:1; }

/* drag handle */
.panel-drag-handle{
  font-size:14px;
  color:#4a5670;
  cursor:grab;
  flex:0 0 auto !important;
  padding:2px 4px;
  border-radius:5px;
  transition:color .15s;
  line-height:1;
}
.panel-drag-handle:hover{color:#7aa2ff;}
.panel[draggable="true"]:active .panel-drag-handle{cursor:grabbing;}

/* toggle arrow */
.panel-toggle{
  flex:0 0 auto !important;
  background:transparent !important;
  border:none !important;
  padding:2px 4px !important;
  font-size:13px;
  color:var(--muted);
  cursor:pointer;
  transition:transform .2s, color .12s;
  line-height:1;
}
.panel-toggle:hover{color:var(--accent) !important; background:transparent !important;}
.panel.collapsed .panel-toggle{transform:rotate(-90deg);}

/* collapsible body */
.panel .body{
  padding:12px;
  max-height:1800px;
  overflow:hidden;
  transition:max-height .28s cubic-bezier(.4,0,.2,1), padding .2s ease, opacity .2s ease;
  opacity:1;
}
.panel.collapsed .body{
  max-height:0 !important;
  padding-top:0 !important;
  padding-bottom:0 !important;
  opacity:0;
}
.panel.collapsed{
  border-color:#272f3f;
}

/* drag-to-reorder states */
.panel.dragging{opacity:.45; box-shadow:0 0 0 2px var(--accent);}
.panel.drag-over-above{border-top:2px solid var(--accent) !important;}
.panel.drag-over-below{border-bottom:2px solid var(--accent) !important;}

/* ── Panel sub-elements ── */
.panelReset{
  padding:4px 7px; font-size:11px; border-radius:7px;
  background:#2a2430; border-color:#554057; color:#f0d9ff;
  flex:0 0 auto !important;
}
.control{
  display:grid;
  grid-template-columns:95px 1fr 52px;
  gap:7px;
  align-items:center;
  margin:9px 0;
}
.control.compact{grid-template-columns:85px 1fr 50px;}
.control label{font-size:12px;color:#d7dfef}
.control output{color:var(--muted);text-align:right;font-variant-numeric:tabular-nums;font-size:12px;}
.miniBtns{display:flex;gap:6px;flex-wrap:wrap;}
.miniBtns button{padding:6px 8px;font-size:12px;border-radius:8px;}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-bottom:10px;}
.tab{padding:7px 4px;font-size:12px;text-align:center;border-radius:8px;border:1px solid #3a4358;background:#202738;cursor:pointer;user-select:none;}
.tab.active{outline:2px solid var(--accent);background:#293653;}
#curveCanvas,#histCanvas{
  width:100%;background:#0b0e14;border:1px solid #31394b;border-radius:9px;cursor:crosshair;
}
.hint,.small{font-size:12px;color:var(--muted);line-height:1.4;}
.small{margin:0}
.row{display:flex;gap:8px;align-items:center;margin:7px 0;}
.row > *{flex:1}
.presetList,.selectGrid,.cropGrid,.presetSaveGrid,.fontLoadGrid,.textButtonGrid{
  display:grid;grid-template-columns:1fr 1fr;gap:7px;
}
.presetList button{font-size:12px;padding:7px}

/* ── Viewer ── */
.viewer{
  display:grid;
  grid-template-rows:auto 1fr auto;
  position:relative;
}
.workflowBar{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  padding:9px 13px;border-bottom:1px solid var(--line);background:#121722;
}
.workflowBar label{color:#d7dfef;font-size:13px;font-weight:700;}
.workflowBar select{min-width:160px;}
.canvasWrap{
  min-height:0;overflow:auto;display:flex;align-items:center;justify-content:center;
  padding:24px;position:relative;
  isolation:isolate;
  background:
    linear-gradient(45deg,#111722 25%,transparent 25%),
    linear-gradient(-45deg,#111722 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#111722 75%),
    linear-gradient(-45deg,transparent 75%,#111722 75%);
  background-size:28px 28px;
  background-position:0 0,0 14px,14px -14px,-14px 0;
}
.canvasWrap.drag-over{outline:3px dashed #7aa2ff;outline-offset:-10px;}
canvas#mainCanvas{
  max-width:100%;max-height:100%;border-radius:6px;
  /* Transparency checkerboard so erased / transparent pixels read as
     "see-through" (like a real editor) instead of a flat dark fill. */
  background-color:#fff;
  background-image:
    linear-gradient(45deg,#c4c4c4 25%,transparent 25%),
    linear-gradient(-45deg,#c4c4c4 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#c4c4c4 75%),
    linear-gradient(-45deg,transparent 75%,#c4c4c4 75%);
  background-size:20px 20px;
  background-position:0 0,0 10px,10px -10px,-10px 0;
  box-shadow:0 20px 60px rgba(0,0,0,.55);
  /* Critical for touch/stylus: without this the browser steals drag gestures
     for scrolling and painting tools never receive pointermove events */
  touch-action:none;
  -webkit-user-select:none;
  user-select:none;
}
.empty{
  text-align:center;color:var(--muted);max-width:600px;line-height:1.45;
  border:1px dashed #3c465c;padding:28px;border-radius:16px;background:rgba(20,24,33,.7);
}
.dropHint{margin-top:12px;padding:11px;border:1px dashed #485573;border-radius:11px;color:#dce7ff;background:#121722;}
.bottomBar{
  display:flex;align-items:center;gap:9px;padding:9px 13px;border-top:1px solid var(--line);
  background:#121722;color:var(--muted);font-size:13px;
}
.compareHelp{
  position:absolute;left:50%;top:60px;transform:translateX(-50%);
  background:rgba(10,13,20,.82);border:1px solid #3b4660;color:#e9eefc;
  padding:7px 11px;border-radius:999px;font-size:12px;pointer-events:none;
  opacity:0;transition:opacity .15s;box-shadow:0 8px 24px rgba(0,0,0,.35);z-index:2;
}
.viewer.comparing .compareHelp{opacity:1;}
.viewer.selection-active canvas#mainCanvas,
.viewer.crop-active    canvas#mainCanvas{cursor:crosshair;}

/* ── History / presets / text list ── */
.historyList,.savedPresetList,.textLayerList{
  display:flex;flex-direction:column;gap:6px;max-height:220px;overflow:auto;overflow-anchor:none;
}
.historyItem,.savedPresetItem,.textLayerItem{
  display:grid;grid-template-columns:1fr auto;gap:7px;align-items:center;
  padding:7px;background:#202738;border:1px solid #333d52;border-radius:9px;font-size:12px;
}
.historyItem.active,.textLayerItem.active{border-color:var(--accent);box-shadow:0 0 0 1px rgba(122,162,255,.4) inset;}
.historyTitle,.presetTitle,.layerTitle{font-weight:750;color:#edf2ff;}
.historyMeta,.presetMeta,.layerMeta{color:var(--muted);font-size:11px;margin-top:2px;}
.iconBtn{padding:5px 7px;font-size:11px;}
.selectionStatus,.cropStatus,.textStatus{
  font-size:12px;color:var(--muted);line-height:1.4;padding:7px;
  border:1px dashed #3a4358;border-radius:9px;background:#121722;
}
.colorRow{display:grid;grid-template-columns:auto auto 1fr auto;gap:7px;align-items:center;margin:7px 0;}
.chkRow{display:flex;align-items:center;gap:7px;margin:7px 0;font-size:12px;cursor:pointer;user-select:none;}
.chkRow input{cursor:pointer;}
.textInlineGrid{display:grid;grid-template-columns:1fr 1fr;gap:7px;align-items:center;margin:7px 0;}
.fontChooser{display:grid;grid-template-columns:1fr auto;gap:7px;}

/* ── Responsive ── */
@media (max-width:1180px){
  body{overflow:auto;height:auto;}
  main{height:auto;display:block;}
  aside{max-height:none;}
  .viewer{height:82vh;}
}

/* ── Selection panel additions ─────────────────────────────────────────────── */
.selHint kbd{background:#1e2535;border:1px solid #3c4760;border-radius:3px;padding:0 4px;font-size:11px;color:#aab8d8;}
#invertSelBtn{background:linear-gradient(135deg,#2a1a3e,#1a2a3e);border-color:#5a3a7a;color:#d0aaff;}
#invertSelBtn:hover{background:linear-gradient(135deg,#3a2a5e,#2a3a5e);}

/* ── Clone brush ───────────────────────────────────────────────────────────── */
#cloneToolBtn.active, #cloneToolBtn:has(~ * .active){ background:linear-gradient(135deg,#1a2a4e,#2a3a1e); }
#cloneBadge[data-active]{ border-color:#3b69dc; color:#cfe0ff; }

/* ── Font preview dropdown ─────────────────────────────────────────────────── */
#fontFamilySelect{ font-size:15px; padding:6px 8px; line-height:1.4; }
#fontFamilySelect option{ font-size:15px; padding:4px 6px; }

/* ── Image layers panel ────────────────────────────────────────────────────── */
#cutImgObjBtn{ background:linear-gradient(135deg,#2a1a3e,#1a2a3e); border-color:#5a3a7a; color:#d0aaff; }
#cutImgObjBtn:hover{ background:linear-gradient(135deg,#3a2a5e,#2a3a5e); }

/* ── Zoom toolbar ──────────────────────────────────────────────────────────── */
.zoomBar{ display:flex; align-items:center; gap:6px; margin-left:auto; flex-wrap:wrap; }
.zoomBar .zoomPreset{
  padding:3px 8px; font-size:12px; border:1px solid var(--line); background:#1a2130;
  color:#cdd7ea; border-radius:6px; cursor:pointer;
}
.zoomBar .zoomPreset:hover{ background:#232c40; }
.zoomBar .zoomPreset.active{ background:#2d4a8a; border-color:#4a6fc0; color:#fff; }
.zoomBar #zoomSlider{ width:120px; }
.zoomBar #zoomOut{ min-width:42px; text-align:right; font-variant-numeric:tabular-nums; color:#9fb0cc; }
.zoomBar .zoomHint{ color:#6b7794; font-size:11px; }
/* When zoomed, let the canvas overflow & stay reachable while scrolling */
.canvasWrap{ align-items:safe center; justify-content:safe center; }
.canvasWrap.panning{ cursor:grabbing; }
.canvasWrap.panning canvas#mainCanvas{ cursor:grabbing !important; }

/* ── Edit-target badge ─────────────────────────────────────────────────────── */
#editTargetBadge.onLayer{ background:#2d4a8a; border-color:#4a6fc0; color:#fff; }

/* ── Tool strip ────────────────────────────────────────────────────────────── */
.toolStrip{
  display:grid;
  grid-template-columns:repeat(4, 1fr);   /* max 4 icons per row */
  gap:6px;
  padding:10px 10px 8px;
  background:rgba(23,27,36,.98);
  border:1px solid var(--line);
  border-radius:13px;
  margin-bottom:10px;
  position:sticky;
  top:0;
  z-index:20;
  box-shadow:0 4px 18px rgba(0,0,0,.35);
}
.toolBtn{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  padding:8px 4px 7px;
  border:1px solid #2e3649;
  background:#1a202e;
  border-radius:10px;
  cursor:pointer;
  transition:background .12s, border-color .15s, box-shadow .15s;
  color:#7a90b8;
  min-width:0;
}
.toolBtn:hover{
  background:#232c42;
  border-color:#4a5880;
  color:#c8d8f8;
}
.toolBtn.active{
  background:linear-gradient(145deg,#1e3a7a,#2a4a9a);
  border-color:#5580d8;
  color:#c8dcff;
  box-shadow:0 0 0 2px rgba(122,162,255,.28), 0 4px 14px rgba(0,0,0,.4);
}
.toolIcon{
  width:22px;
  height:22px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.toolIcon svg{
  width:20px;
  height:20px;
  stroke:currentColor;
}
.toolLabel{
  font-size:10px;
  font-weight:700;
  letter-spacing:.4px;
  text-transform:uppercase;
  white-space:nowrap;
}

/* ── Modals (New Document / Resize Canvas) ─────────────────────────────────── */
.modalOverlay{
  position:fixed; inset:0;
  background:rgba(5,8,14,.68);
  backdrop-filter:blur(3px);
  z-index:200;
  display:flex; align-items:center; justify-content:center;
}
.modalOverlay[hidden]{ display:none; }
.modal{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px;
  width:min(460px, 92vw);
  max-height:86vh;
  overflow:auto;
  box-shadow:0 24px 80px rgba(0,0,0,.6);
}
.modal h3{ margin:0 0 12px; font-size:15px; font-weight:800; }
.docTabs{ grid-template-columns:repeat(4,1fr); }
.docPresetGrid{
  display:grid; grid-template-columns:1fr 1fr; gap:7px;
  margin-bottom:10px;
  max-height:280px; overflow:auto;
}
.docPresetGrid button{ font-size:12px; padding:8px; text-align:left; }
.docPresetGrid button .dims{ display:block; color:var(--muted); font-size:11px; margin-top:2px; font-weight:500; }
.docPresetGrid button.selected{ outline:2px solid var(--accent); background:#293653; }
.modal input[type=number]{ width:100%; }

/* ── Paint brush panel ─────────────────────────────────────────────────────── */
#brushToolBtn{ background:linear-gradient(135deg,#3e1a2a,#3e2a1a); border-color:#7a3a5a; color:#ffaacb; }
#brushToolBtn:hover{ background:linear-gradient(135deg,#5e2a3a,#5e3a2a); }
#newPaintLayerBtn{ background:#1f5134; border-color:#379c61; }

/* ── Layer list rows (thumbnail · info · z-order · eye · opacity · delete) ── */
.layerRow{
  display:grid;
  grid-template-columns:auto 1fr auto auto 56px auto;
  gap:6px;
  align-items:center;
  padding:6px 7px;
  background:#202738;
  border:1px solid #333d52;
  border-radius:9px;
  font-size:12px;
  cursor:pointer;
  transition:border-color .12s, background .12s;
}
.layerRow:hover{ background:#252d42; }
.layerRow.active{ border-color:var(--accent); box-shadow:0 0 0 1px rgba(122,162,255,.4) inset; }
.layerRow.multiSel{ border-color:#7aa2ff; background:#28324a; box-shadow:0 0 0 1px rgba(122,162,255,.55) inset; }
.layerRow.hiddenLayer .layerInfo,
.layerRow.hiddenLayer .layerThumb{ opacity:.45; }
.layerThumb{
  width:48px; height:36px;
  border-radius:5px;
  border:1px solid #3a4358;
  background:repeating-conic-gradient(#2a3142 0% 25%, #181e2b 0% 50%) 0 0/10px 10px;
  flex:0 0 auto;
}
.layerInfo{ min-width:0; overflow:hidden; }
.layerEye{ padding:4px 6px; font-size:12px; line-height:1; }
.layerEye.off{ opacity:.5; }
.layerOpacity{ width:56px; accent-color:var(--accent); cursor:ew-resize; }
.layerDel{ padding:4px 7px; font-size:11px; line-height:1; }
.layerUpDown{ display:flex; flex-direction:column; gap:2px; }
.layerUpDown button{ padding:1px 5px; font-size:9px; line-height:1.3; border-radius:5px; }

/* ── Active tool panel highlight ───────────────────────────────────────────── */
.panel.toolActive{
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(122,162,255,.45), 0 0 22px rgba(122,162,255,.22);
}
.panel.toolActive h2{
  background:rgba(122,162,255,.09);
  color:#dce8ff;
}

/* ── Background row in unified Layers panel ────────────────────────────────── */
.layerRow.bgRow{
  grid-template-columns:auto 1fr auto auto 56px;
  background:#1a2030;
  border-style:dashed;
  border-color:#3c465c;
  margin-top:2px;
}
.layerRow.bgRow:hover{ background:#202840; }
.layerRow.bgRow.multiSel{
  border-style:solid; border-color:#7aa2ff;
  background:#28324a; box-shadow:0 0 0 1px rgba(122,162,255,.55) inset;
}

/* ── Sub-section header rows inside panels (Shadow / Border groups) ────────── */
.subHead{
  display:flex; align-items:center; gap:8px;
  margin:11px 0 3px;
  font-size:12px; font-weight:750; color:#d7dfef;
}
.subHead .spacer{ flex:1; }
.subHead input[type=color]{ width:34px; height:26px; padding:2px; }

/* ── Canvas right-click context menu ───────────────────────────────────────── */
.ctxMenu{
  position:fixed; z-index:300;
  background:var(--panel);
  border:1px solid #3c4760;
  border-radius:11px;
  padding:5px;
  min-width:230px;
  box-shadow:0 18px 50px rgba(0,0,0,.55);
  display:flex; flex-direction:column; gap:2px;
}
.ctxMenu[hidden]{ display:none; }
.ctxMenu button{
  text-align:left;
  background:transparent;
  border:none;
  padding:8px 10px;
  border-radius:8px;
  font-size:13px;
}
.ctxMenu button:hover:not(:disabled){ background:#28324a; }
.ctxMenu button:disabled{ opacity:.4; cursor:not-allowed; }
.ctxMenu .ctxSep{ height:1px; background:var(--line); margin:3px 6px; }

/* ── Pinned ad block at the bottom of the right panel ──────────────────────── */
.adBlock{
  position:sticky;
  bottom:-12px;                    /* flush with the aside's bottom padding */
  margin:12px -12px -12px;
  padding:10px 12px;
  background:#10141d;
  border-top:1px solid var(--line);
  z-index:40;
  text-align:center;
  overflow:auto;
  max-height:46vh;                 /* any ad size, but never swallow the panel */
  box-shadow:0 -10px 26px rgba(0,0,0,.4);
}
.adBlock:empty{ display:none; }

/* ── Double-click panel flash ─────────────────────────────────────────────── */
@keyframes panelFlash{
  0%  { box-shadow:0 0 0 3px rgba(122,162,255,.95), 0 0 28px rgba(122,162,255,.5); }
  100%{ box-shadow:0 0 0 3px rgba(122,162,255,0); }
}
.panel.panelFlash{ animation:panelFlash .9s ease; }

/* ── Unified add-layer row (Layers panel) ──────────────────────────────────── */
.addLayerRow{
  display:flex; align-items:center; gap:6px;
  margin-bottom:9px;
}
.addLayerRow button{ flex:1; padding:7px 4px; font-size:12px; white-space:nowrap; }


/* ── Custom 2-second tool tooltips ─────────────────────────────────────────── */
.toolTip{
  position:fixed; z-index:400;
  max-width:240px;
  background:#0f1420;
  border:1px solid #3c4760;
  border-radius:10px;
  padding:9px 11px;
  font-size:12px; line-height:1.45; color:#cdd6e6;
  box-shadow:0 14px 38px rgba(0,0,0,.55);
  pointer-events:none;
}
.toolTip b{ display:block; color:#eaf0ff; margin-bottom:3px; font-size:12.5px; }
.toolTip[hidden]{ display:none; }

/* ── App name / link in the header ─────────────────────────────────────────── */
h1 a.appLink{ color:inherit; text-decoration:none; }
h1 a.appLink:hover{ color:var(--accent); text-decoration:underline; }

/* ── Layer-handle overlay (drawn outside the canvas scroll clip) ─────────── */
#handleOverlay{
  position:absolute;          /* relative to .viewer (position:relative) */
  top:0; left:0; right:0; bottom:0;
  width:100%; height:100%;
  pointer-events:none;
  z-index:30;
}

/* ── Resize preset buttons ─────────────────────────────────────────────────── */
#resizePresets{ display:none; flex-wrap:wrap; gap:5px; margin:4px 0 6px; }
#resizePresets.visible{ display:flex; }
.resizePresetBtn{
  font-size:11.5px; padding:3px 8px; border-radius:6px;
  background:#1e2840; border:1px solid #3a4870; color:#c8d4ee; cursor:pointer;
}
.resizePresetBtn:hover{ background:#2a3a5e; }
.resizePresetBtn[data-pct="0"]{ border-color:#4a6fc0; color:#7aa2ff; }  /* Original */
#resizeApplyRow{ display:none; gap:6px; margin-bottom:6px; }
#resizeApplyRow.visible{ display:flex; }
#resizeToolSection{ display:none; }
#resizeToolSection.visible{ display:flex; }