/* ── LabelForge ─ print-shop light table ─────────────────────────────── */
:root {
  --ink: #202634;          /* sidebar */
  --ink-2: #2a3143;        /* panels on ink */
  --ink-3: #343c52;        /* inputs on ink */
  --ink-line: #3d4560;
  --paper: #e8e6df;        /* light table */
  --sheet: #ffffff;
  --accent: #ffc838;       /* label yellow */
  --accent-ink: #201a05;
  --danger: #e5484d;
  --txt: #e8ebf2;
  --txt-dim: #9aa3b8;
  --guide: #c9cdd8;
  --select: #ffc838;
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;
  --ui: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sidebar-w: 360px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--ui);
  background: var(--paper);
  color: #21252e;
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: fixed;
  inset: 0 auto 0 0;
  overflow-y: auto;
  background: var(--ink);
  color: var(--txt);
  padding: 18px 16px 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-line) transparent;
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--ink-line); border-radius: 8px; }

.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 9px;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font-size: 22px; font-weight: 700;
  box-shadow: 0 3px 0 rgba(0,0,0,.35);
}
.brand h1 { margin: 0; font-size: 18px; letter-spacing: .3px; }
.brand-sub { margin: 2px 0 0; font-family: var(--mono); font-size: 11px; color: var(--txt-dim); }

.panel {
  background: var(--ink-2);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 12px;
}
.panel h3 {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--accent);
}

.row { margin-bottom: 10px; }
.row:last-child { margin-bottom: 0; }
.row.split { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.row.split3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

label {
  display: block;
  font-size: 12px;
  color: var(--txt-dim);
  margin-bottom: 4px;
}

select, input[type="text"], input[type="number"], textarea {
  width: 100%;
  background: var(--ink-3);
  border: 1px solid var(--ink-line);
  color: var(--txt);
  border-radius: 7px;
  padding: 7px 8px;
  font-size: 13px;
  font-family: var(--ui);
}
input[type="number"] { font-family: var(--mono); }
textarea { font-family: var(--mono); font-size: 12.5px; line-height: 1.5; resize: vertical; }
select:focus, input:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}
input[type="color"] {
  width: 100%; height: 32px; padding: 2px;
  background: var(--ink-3); border: 1px solid var(--ink-line);
  border-radius: 7px; cursor: pointer;
}
input[type="range"] { accent-color: var(--accent); }

.hint { font-size: 11.5px; color: var(--txt-dim); margin: 6px 0 0; line-height: 1.45; }
.mono { font-family: var(--mono); }
.hidden { display: none !important; }

/* chips for CSV fields */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.chip {
  font-family: var(--mono); font-size: 11px;
  background: var(--ink-3); border: 1px solid var(--ink-line);
  color: var(--txt); border-radius: 999px;
  padding: 3px 10px; cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* buttons */
.btn {
  border: 1px solid var(--ink-line);
  background: var(--ink-3);
  color: var(--txt);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.15); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.danger { background: transparent; border-color: var(--danger); color: #ff8d90; }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 5px 9px; font-size: 12px; }
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.btn-grid .primary { grid-column: 1 / -1; padding: 10px; font-size: 14px; }

.toggles { display: flex; gap: 4px; align-items: center; }
.btn.toggle { width: 34px; padding: 6px 0; text-align: center; }
.btn.toggle.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.vr { width: 1px; height: 20px; background: var(--ink-line); margin: 0 4px; }

.side-foot { margin-top: 4px; }
.side-foot p { font-size: 11px; color: var(--txt-dim); text-align: center; }

/* ── Workbench ────────────────────────────────────────────────────────── */
.workbench {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.toolbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 22px;
  padding: 10px 22px;
  background: color-mix(in srgb, var(--paper) 82%, white);
  border-bottom: 1px solid #d5d2c8;
  backdrop-filter: blur(4px);
}
.tb-group { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.tb-label { color: #6c6f78; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.tb-check { display: flex; align-items: center; gap: 5px; color: #454a56; cursor: pointer; margin: 0; font-size: 12.5px; }
.tb-check input { accent-color: var(--ink); }
#usageStat { margin-left: auto; color: #6c6f78; font-size: 12px; }
#zoomVal { color: #454a56; font-size: 12px; width: 42px; }

.selection-bar {
  position: sticky; top: 45px; z-index: 19;
  display: flex; align-items: center; gap: 10px;
  margin: 10px 22px 0;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--txt);
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(20,24,35,.25);
}
.selection-bar input { flex: 1; }

.lighttable { padding: 26px 30px 10px; display: flex; justify-content: center; }
.sheets { display: flex; flex-direction: column; gap: 34px; align-items: center; }

.bench-hint {
  text-align: center; color: #8a8d95; font-size: 12px;
  padding-bottom: 26px; margin: 8px 0 0;
}

/* ── Sheet + rulers (signature) ──────────────────────────────────────── */
.sheet-wrap { position: relative; padding: 26px 0 0 26px; }

.ruler {
  position: absolute; background: #f6f4ee;
  border: 1px solid #d0cdc2; overflow: hidden;
}
.ruler.h { left: 26px; right: 0; top: 0; height: 20px; border-bottom: none; }
.ruler.v { top: 26px; bottom: 0; left: 0; width: 20px; border-right: none; }
.ruler .tick { position: absolute; background: #a9a698; }
.ruler.h .tick { top: auto; bottom: 0; width: 1px; }
.ruler.v .tick { left: auto; right: 0; height: 1px; }
.ruler .num {
  position: absolute; font-family: var(--mono);
  font-size: 8.5px; color: #8b8878;
}
.corner {
  position: absolute; left: 0; top: 0; width: 26px; height: 26px;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 8px; color: #a9a698;
}

.sheet {
  position: relative;
  background: var(--sheet);
  box-shadow: 0 1px 2px rgba(30,32,40,.18), 0 14px 34px rgba(30,32,40,.22);
}
.sheet-tag {
  position: absolute; top: -22px; right: 0;
  font-family: var(--mono); font-size: 10px; color: #8a8d95;
}

.labels { display: grid; }

.label {
  position: relative;
  overflow: hidden;
  display: flex;
  cursor: pointer;
  transition: box-shadow .12s;
}
.label.guides { outline: 1px dashed var(--guide); outline-offset: -1px; }
.label:hover { box-shadow: inset 0 0 0 2px #b9c2d8; }
.label.selected { box-shadow: inset 0 0 0 3px var(--select); }
.label.edited::after {
  content: "✎";
  position: absolute; top: 2px; left: 3px;
  font-size: 9px; color: #b58a00; opacity: .8;
}

.label-inner {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 5%;
  min-width: 0; min-height: 0;
}
.label-inner.col { flex-direction: column; gap: 2px; }

.label-text {
  flex: 1; min-width: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: hidden;
  width: 100%;
}
.label-code { flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.label-code svg { display: block; }
.label-inner:not(.col) .label-code { height: 86%; aspect-ratio: 1; }
.label-inner:not(.col) .label-code svg { width: 100%; height: 100%; }
.label-inner.col .label-code { width: 96%; height: 34%; }
.label-inner.col .label-code svg { width: 100%; height: 100%; }
.label-inner.col.code-only .label-code, .label-inner.qr-solo .label-code { height: 92%; width: auto; }

.label-num {
  position: absolute; top: 2px; right: 3px;
  font-family: var(--mono); font-size: 8px;
  color: #98a; background: rgba(240,242,248,.85);
  padding: 0 3px; border-radius: 3px;
  pointer-events: none;
}

/* ── Modal / toast ───────────────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(18,21,30,.55);
  display: grid; place-items: center;
}
.modal-card {
  width: min(480px, 92vw);
  background: var(--ink); color: var(--txt);
  border: 1px solid var(--ink-line);
  border-radius: 14px; padding: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,.4);
}
.modal-card h3 { margin: 0 0 12px; font-size: 15px; }
.modal-actions { display: flex; gap: 8px; margin-top: 14px; align-items: center; }
.spacer { flex: 1; }

.toast {
  position: fixed; bottom: 22px; left: 50%;
  transform: translate(-50%, 80px);
  background: var(--ink); color: var(--txt);
  padding: 10px 18px; border-radius: 10px;
  font-size: 13px; z-index: 60;
  box-shadow: 0 10px 30px rgba(0,0,0,.3);
  transition: transform .25s ease;
  pointer-events: none;
}
.toast.show { transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ── Print: exact output ─────────────────────────────────────────────── */
@page { margin: 0; }
@media print {
  body { background: #fff; display: block; }
  .sidebar, .toolbar, .selection-bar, .bench-hint, .toast, .modal,
  .ruler, .corner, .sheet-tag, .label-num { display: none !important; }
  .workbench { margin: 0; }
  .lighttable { padding: 0; display: block; }
  .sheets { display: block; zoom: 1 !important; }
  .sheet-wrap { padding: 0; }
  .sheet { box-shadow: none; page-break-after: always; break-after: page; }
  .sheet-wrap:last-child .sheet { page-break-after: auto; break-after: auto; }
  .label { cursor: default; box-shadow: none !important; }
  .label.guides { outline: none; }
  .label.print-borders { outline: 1pt solid #000; outline-offset: -1pt; }
  .label.edited::after { display: none; }
}