/* Trình thiết kế Create Card — giao diện bám theo TemplateEditorWindow của tool desktop.
   Bố cục: thanh công cụ trên · cột icon 48px + ngăn kéo 340px · vùng vẽ có thước mm · bảng Thuộc tính 380px.
   Màu lấy từ theme.py của tool cũ (dark-first như tool, có bản sáng). */
:root {
  --bg: #0F172A; --canvas-outer: #141620; --rail: #131620; --drawer: #1E2330; --header: #252B3B; --group: #1B2130;
  --input: #1E293B; --hover: #334155; --line: #2A3142; --control: #475569; --line-soft: #334155;
  --fg: #F8FAFC; --fg2: #CBD5E1; --muted: #94A3B8; --title: #60A5FA;
  --primary: #2563EB; --primary-hover: #1D4ED8; --focus: #3B82F6;
  --ok: #34D399; --ok-bg: #064E3B; --ok-solid: #16A34A; --warn: #F59E0B; --warn-bg: #2A2414; --bad: #F87171; --bad-bg: #450A0A; --bad-solid: #EF4444;
  --toggle: #0284C7; --toggle-bd: #38BDF8;
  --sel: #3B82F6; --guide: #F43F5E; --handle-fill: #FFFFFF; --grid: rgba(100, 116, 139, .35);
  --ruler: #1A1F2B; --ruler-fg: #94A3B8;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
  --font-ui: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #FFFFFF; --canvas-outer: #E2E5EA; --rail: #F1F5F9; --drawer: #FFFFFF; --header: #F8FAFC; --group: #F8FAFC;
    --input: #FFFFFF; --hover: #F1F5F9; --line: #CBD5E1; --control: #CBD5E1; --line-soft: #E2E8F0;
    --fg: #0F172A; --fg2: #334155; --muted: #64748B; --title: #002060;
    --primary: #002060; --primary-hover: #0A337A; --focus: #2563EB;
    --ok: #059669; --ok-bg: #ECFDF5; --ok-solid: #16A34A; --warn: #B45309; --warn-bg: #FEF3C7; --bad: #DC2626; --bad-bg: #FEF2F2; --bad-solid: #EF4444;
    --toggle: #0284C7; --toggle-bd: #38BDF8;
    --sel: #2563EB; --guide: #E11D48; --handle-fill: #FFFFFF; --grid: rgba(100, 116, 139, .30);
    --ruler: #F8FAFC; --ruler-fg: #475569; --shadow: 0 8px 24px rgba(15,23,42,.18);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #FFFFFF; --canvas-outer: #E2E5EA; --rail: #F1F5F9; --drawer: #FFFFFF; --header: #F8FAFC; --group: #F8FAFC;
  --input: #FFFFFF; --hover: #F1F5F9; --line: #CBD5E1; --control: #CBD5E1; --line-soft: #E2E8F0;
  --fg: #0F172A; --fg2: #334155; --muted: #64748B; --title: #002060;
  --primary: #002060; --primary-hover: #0A337A; --focus: #2563EB;
  --ok: #059669; --ok-bg: #ECFDF5; --ok-solid: #16A34A; --warn: #B45309; --warn-bg: #FEF3C7; --bad: #DC2626; --bad-bg: #FEF2F2; --bad-solid: #EF4444;
  --toggle: #0284C7; --toggle-bd: #38BDF8;
  --sel: #2563EB; --guide: #E11D48; --handle-fill: #FFFFFF; --grid: rgba(100, 116, 139, .30);
  --ruler: #F8FAFC; --ruler-fg: #475569; --shadow: 0 8px 24px rgba(15,23,42,.18);
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--fg); font: 13px/1.4 var(--font-ui); overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.ccd { height: 100%; display: flex; flex-direction: column; padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px); }

/* nút chung */
button { cursor: pointer; background: var(--input); border: 1px solid var(--control); border-radius: 6px; padding: 5px 10px; color: var(--fg); white-space: nowrap; }
button:hover:not(:disabled) { background: var(--hover); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary, .btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
button.primary:hover:not(:disabled) { background: var(--primary-hover); }
button.success { background: var(--ok-solid); border-color: var(--ok-solid); color: #fff; font-weight: 600; }
button.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
button.danger-text { color: var(--bad); }
button.active, button.on { background: var(--primary); border-color: var(--focus); color: #fff; }
.ico { display: inline-block; min-width: 1.1em; text-align: center; }
.ico.blue { color: var(--focus); } .ico.amber { color: var(--warn); }
input[type="text"], input[type="number"], input[type="search"], select, textarea {
  background: var(--input); border: 1px solid var(--control); border-radius: 6px; padding: 5px 8px; width: 100%; min-width: 0; color: var(--fg);
}
input[type="number"] { font-variant-numeric: tabular-nums; }
input[type="color"] { width: 34px; height: 28px; padding: 1px; border: 1px solid var(--control); border-radius: 6px; background: var(--input); cursor: pointer; }
textarea { resize: vertical; }
.hint { color: var(--muted); font-size: 11.5px; margin: 0; }

/* thanh công cụ trên */
.topbar { display: flex; align-items: center; gap: 10px; padding: 6px 10px; background: var(--rail); border-bottom: 1px solid var(--line); min-height: 44px; overflow-x: auto; scrollbar-width: thin; }
.tb-group { display: flex; align-items: center; gap: 4px; flex: none; }
.tb-group.right { margin-left: auto; }
.tb { padding: 5px 10px; background: transparent; border-color: var(--line); }
.tb.icon { width: 32px; padding: 5px 0; font-size: 15px; line-height: 1; }
.tb.zoom { min-width: 58px; font-variant-numeric: tabular-nums; }
.tb.primary { background: var(--primary); color: #fff; border-color: var(--focus); }
.tb.toggle.on { background: var(--toggle); border-color: var(--toggle-bd); color: #fff; }
.tb.success { background: var(--ok-solid); border-color: var(--ok-solid); color: #fff; }
.sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; }
.tb-name { display: flex; align-items: center; gap: 6px; flex: 1 1 160px; min-width: 120px; max-width: 360px; }
.tb-name input { background: transparent; border-color: transparent; font-weight: 600; color: var(--title); }
.tb-name input:hover, .tb-name input:focus { border-color: var(--control); background: var(--input); }
.dirty { color: var(--warn); font-size: 12px; }

/* khung làm việc */
.workspace { flex: 1; min-height: 0; display: flex; position: relative; }
.rail { width: 48px; flex: none; background: var(--rail); border-right: 1px solid var(--line); display: flex; flex-direction: column; align-items: center; gap: 6px; padding-top: 8px; }
.rail-btn { width: 36px; height: 36px; padding: 0; font-size: 18px; background: transparent; border-color: transparent; color: var(--fg2); }
.rail-btn.active { background: var(--primary); color: #fff; }
.drawer { width: 340px; flex: none; background: var(--drawer); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.drawer.floating { position: absolute; left: 48px; top: 0; bottom: 0; z-index: 30; box-shadow: var(--shadow); }
.drawer.collapsed { display: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; background: var(--header); border-bottom: 1px solid var(--line); font-weight: 600; }
.pin { width: 32px; height: 28px; padding: 0; background: transparent; }
.pin.on { background: var(--primary); border-color: var(--primary); }
.drawer-body { flex: 1; overflow: auto; padding: 10px; display: flex; flex-direction: column; gap: 12px; }
fieldset.group { border: 1px solid var(--line-soft); border-radius: 8px; background: var(--group); padding: 8px 8px 10px; margin: 0; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
fieldset.group > legend { color: var(--title); font-weight: 600; padding: 0 6px; font-size: 12.5px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.grid2 > button, .grid3 > button { text-align: center; overflow: hidden; text-overflow: ellipsis; }
.wide { width: 100%; }
dl.keys { display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; margin: 0; font-size: 12px; }
dl.keys dt { color: var(--fg2); font-weight: 600; } dl.keys dd { margin: 0; color: var(--muted); }
.layer-title { color: var(--title); font-weight: 700; }
.layers { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line-soft); border-radius: 6px; flex: 1; min-height: 160px; overflow: auto; }
.layers li { display: grid; grid-template-columns: 26px 26px 1fr auto; align-items: center; gap: 2px; padding: 4px 6px; border-bottom: 1px solid var(--line-soft); cursor: pointer; font-size: 12.5px; }
.layers li:last-child { border-bottom: none; }
.layers li.sel { background: color-mix(in srgb, var(--primary) 35%, transparent); outline: 1px solid var(--focus); }
.layers li.hiddenobj .lname { opacity: .45; text-decoration: line-through; }
.layers li .lname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layers li .z { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.layers li button { padding: 0; width: 24px; height: 22px; background: transparent; border-color: transparent; font-size: 12px; }
.layers li.drag-over { box-shadow: inset 0 2px 0 var(--focus); }
.layer-actions { margin-top: 2px; }

/* vùng vẽ */
.stage { flex: 1; min-width: 0; position: relative; background: var(--canvas-outer); display: grid; grid-template-columns: 22px 1fr; grid-template-rows: 22px 1fr; }
.ruler-corner { grid-row: 1; grid-column: 1; background: var(--ruler); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 9px; color: var(--ruler-fg); display: grid; place-items: center; }
.ruler-x { grid-row: 1; grid-column: 2; width: 100%; height: 22px; display: block; }
.ruler-y { grid-row: 2; grid-column: 1; width: 22px; height: 100%; display: block; }
.viewport { grid-row: 2; grid-column: 2; position: relative; overflow: hidden; outline: none; cursor: default; }
.viewport canvas { position: absolute; inset: 0; display: block; touch-action: none; }
.viewport.panning, .viewport.space { cursor: grab; }
.inline-editor { position: absolute; z-index: 5; margin: 0; padding: 0; border: 1px dashed var(--sel); background: rgba(255,255,255,.92); color: #000; resize: none; overflow: hidden; line-height: 1.1; transform-origin: 0 0; }
.cropbar { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); z-index: 6; display: flex; gap: 6px; align-items: center; padding: 6px 8px; background: var(--drawer); border: 2px solid var(--toggle-bd); border-radius: 8px; box-shadow: var(--shadow); flex-wrap: wrap; max-width: calc(100% - 20px); }
.cropbar .crop-title { color: var(--warn); font-weight: 700; font-size: 12px; }
.cropbar .ok { background: var(--ok-solid); border-color: var(--ok-solid); color: #fff; }
.cropbar .cancel { background: var(--bad-solid); border-color: var(--bad-solid); color: #fff; }

/* bảng thuộc tính */
.props { width: 380px; flex: none; background: var(--drawer); border-left: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.props-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; background: var(--header); border-bottom: 1px solid var(--line); font-weight: 600; }
.x { width: 28px; height: 26px; padding: 0; background: transparent; }
.props-body { flex: 1; overflow: auto; padding: 10px; display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; align-items: center; gap: 6px; min-width: 0; }
.row > label { flex: none; color: var(--fg2); font-size: 12px; min-width: 72px; }
.row > .grow { flex: 1; min-width: 0; }
.xywh { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 6px 8px; align-items: center; }
.xywh label { font-weight: 700; color: var(--fg2); }
.unit { position: relative; }
.unit input { padding-right: 34px; }
.unit::after { content: attr(data-unit); position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 11px; pointer-events: none; }
.btnrow { display: flex; gap: 4px; flex-wrap: wrap; }
.btnrow button { padding: 4px 8px; }
.btnrow button.sq { width: 30px; padding: 4px 0; font-weight: 700; }
.seg { display: inline-flex; border: 1px solid var(--control); border-radius: 6px; overflow: hidden; }
.seg button { border: none; border-radius: 0; background: var(--input); padding: 4px 9px; }
.seg button + button { border-left: 1px solid var(--control); }
.seg button.on { background: var(--primary); color: #fff; }
.vis-row { display: flex; align-items: center; gap: 10px; }
.vis-btn { color: var(--ok); border-color: var(--ok); background: var(--ok-bg); font-weight: 600; }
.vis-btn.off { color: var(--muted); border-color: var(--control); background: var(--input); }
.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; color: var(--fg2); }
.field-btn { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; padding: 3px 10px; }
.card-info { color: var(--title); font-weight: 600; }
.radii { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.radii label { font-size: 10.5px; color: var(--muted); text-align: center; display: block; }
.qr-preview { font-family: ui-monospace, Consolas, monospace; font-size: 11.5px; color: var(--ok); background: var(--input); border: 1px solid var(--line-soft); border-radius: 6px; padding: 6px 8px; white-space: pre-wrap; word-break: break-all; max-height: 80px; overflow: auto; }

/* thanh trạng thái */
.statusbar { display: flex; gap: 10px; align-items: center; padding: 4px 10px; padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px)); background: var(--rail); border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); min-height: 26px; }
.statusbar .msg { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.statusbar .msg.ok { color: var(--ok); } .statusbar .msg.bad { color: var(--bad); }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; white-space: nowrap; }
.coord { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* menu */
.menu { position: fixed; z-index: 100; min-width: 220px; background: var(--drawer); border: 1px solid var(--focus); border-radius: 6px; padding: 4px; box-shadow: var(--shadow); }
.menu button { display: flex; width: 100%; gap: 8px; text-align: left; border: none; background: transparent; padding: 6px 12px 6px 10px; border-radius: 4px; font-size: 12.5px; }
.menu button:hover:not(:disabled) { background: var(--primary); color: #fff; }
.menu hr { border: none; border-top: 1px solid var(--line-soft); margin: 4px 6px; }

/* hộp thoại */
.modal-back { position: fixed; inset: 0; z-index: 90; background: rgba(2, 6, 23, .55); display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.modal { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); width: min(860px, 100%); max-height: 100%; display: flex; flex-direction: column; min-height: 0; }
.modal.sm { width: min(520px, 100%); }
.modal-head { padding: 14px 18px 6px; }
.modal-head h2 { margin: 0; font-size: 17px; color: var(--title); text-wrap: balance; }
.modal-head p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.modal-body { padding: 10px 18px; overflow: auto; display: flex; flex-direction: column; gap: 10px; min-height: 0; }
.modal-foot { padding: 10px 18px 14px; display: flex; gap: 8px; justify-content: flex-end; align-items: center; flex-wrap: wrap; border-top: 1px solid var(--line-soft); }
.modal-foot .left { margin-right: auto; color: var(--muted); font-size: 12px; }
.tbl-wrap { overflow: auto; border: 1px solid var(--line-soft); border-radius: 6px; max-height: 52vh; }
table.tbl { border-collapse: collapse; width: 100%; font-size: 12.5px; }
table.tbl th { position: sticky; top: 0; background: var(--header); color: var(--fg2); font-weight: 600; text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); z-index: 1; }
table.tbl td { padding: 5px 8px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.tbl tr.pick { cursor: pointer; }
table.tbl tr.pick:hover td { background: var(--hover); }
table.tbl tr.on td { background: color-mix(in srgb, var(--primary) 40%, transparent); }
.tag { font-family: ui-monospace, Consolas, monospace; color: var(--title); font-weight: 600; }
.sample { color: var(--muted); max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-ok { color: var(--ok); font-weight: 600; } .st-warn { color: var(--warn); font-weight: 600; } .st-bad { color: var(--bad); font-weight: 600; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.tile { border: 1px solid var(--line); border-radius: 8px; background: var(--group); padding: 8px; display: flex; flex-direction: column; gap: 6px; cursor: pointer; text-align: left; white-space: normal; }
.tile:hover, .tile.on { border-color: var(--focus); }
.tile.on { outline: 2px solid var(--focus); }
.tile .thumb { height: 120px; display: grid; place-items: center; background: var(--canvas-outer); border-radius: 6px; }
.tile .thumb canvas { max-width: 100%; max-height: 112px; box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.tile b { font-size: 12.5px; color: var(--fg); }
.tile small { color: var(--muted); font-size: 11px; }
.banner { border: 1px solid var(--ok); background: var(--ok-bg); color: var(--ok); border-radius: 6px; padding: 6px 10px; font-size: 12px; }
.banner.warn { border-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.pv-stage { background: var(--canvas-outer); border-radius: 8px; padding: 18px; display: grid; place-items: center; min-height: 260px; }
.pv-stage canvas { max-width: 100%; height: auto; box-shadow: var(--shadow); }
.bg-prev { background: var(--canvas-outer); border: 1px dashed var(--control); border-radius: 8px; padding: 12px; display: grid; place-items: center; }
.bg-prev canvas { max-width: 100%; max-height: 260px; box-shadow: var(--shadow); }
.size-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
.size-list button { text-align: left; white-space: normal; font-size: 12px; }
.size-list button small { display: block; color: var(--muted); font-variant-numeric: tabular-nums; }

/* hẹp: ngăn kéo và bảng thuộc tính nổi trên vùng vẽ */
@media (max-width: 1100px) {
  .props { position: absolute; right: 0; top: 0; bottom: 0; z-index: 25; box-shadow: var(--shadow); width: min(380px, calc(100% - 48px)); }
  .drawer { position: absolute; left: 48px; top: 0; bottom: 0; z-index: 30; box-shadow: var(--shadow); width: min(340px, calc(100% - 48px)); }
  .tb-name { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }