:root {
  --bg0: #1c1914;
  --bg1: #2a241c;
  --panel: #f3efe6;
  --ink: #1a1712;
  --muted: #6b6358;
  --line: #d4ccbe;
  --accent: #c45c26;
  --accent2: #2f6f4e;
  --danger: #9f1239;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg0);
}
.bg {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 500px at 10% -10%, #3a2f22 0%, transparent 55%),
    radial-gradient(700px 400px at 90% 0%, #24352c 0%, transparent 50%),
    linear-gradient(160deg, #17140f, #241e17 40%, #12100d);
}
.bg::after {
  content: "";
  position: absolute; inset: 0;
  opacity: 0.07;
  background-image: linear-gradient(#fff 1px, transparent 1px), linear-gradient(90deg, #fff 1px, transparent 1px);
  background-size: 48px 48px;
}

.top {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 18px 28px; color: #f6f1e7;
}
.brand { display: flex; gap: 12px; align-items: center; }
.mark {
  width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--accent); color: #fff; font-family: "IBM Plex Mono", monospace;
  font-weight: 600; letter-spacing: 0.04em;
}
.brand strong { display: block; font-size: 1.25rem; letter-spacing: 0.02em; }
.brand em { font-style: normal; color: #cbbfae; font-size: 0.85rem; }
.top-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge {
  font-family: "IBM Plex Mono", monospace; font-size: 0.75rem;
  border: 1px solid #5a5044; padding: 6px 10px; color: #ddd2c2;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 460px) 1fr;
  gap: 18px;
  padding: 0 22px 28px;
}
.panel {
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 22px;
}
.inputs h1 {
  margin: 0 0 6px;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}
.lead { margin: 0 0 18px; color: var(--muted); }
.grid2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
label {
  display: grid; gap: 6px; font-size: 0.82rem; color: var(--muted); font-weight: 500;
}
input, select {
  font: inherit; color: var(--ink);
  border: 1px solid var(--line); background: #fffdf8;
  padding: 10px 12px; width: 100%;
}
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.presets button {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 7px 10px; cursor: pointer; font: inherit; font-size: 0.8rem;
}
.presets button:hover { border-color: var(--accent); }

.lib-tabs { display: flex; gap: 8px; margin: 0 0 14px; }
.lib-tabs button {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 9px 14px; cursor: pointer; font: inherit; font-weight: 600; font-size: 0.9rem;
}
.lib-tabs button.active { background: var(--bg1); color: #f6f1e7; border-color: var(--bg1); }

.catalog-block {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.cnc-stage svg {
  background: repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(0,0,0,0.04) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(0,0,0,0.04) 20px);
}
.cnc-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.cnc-stage-lg {
  position: relative;
  min-height: min(70vh, 640px);
  height: min(70vh, 640px);
  place-items: stretch;
}
.cnc-stage-lg svg {
  width: 100%;
  height: 100%;
  max-height: none;
}
.cnc-stage-lg canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}
.cnc-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  pointer-events: none;
}
.cnc-viewer-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.cnc-viewer-head h2 {
  margin: 0 0 4px;
  font-size: 1.2rem;
}
.result-cnc {
  display: flex;
  flex-direction: column;
  min-height: 520px;
}
.catalog-cnc {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}
body.mode-cnc .layout {
  grid-template-columns: minmax(320px, 420px) 1fr;
}
.cnc-lead { margin: -6px 0 10px; font-size: 0.82rem; }
.cnc-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 10px 0 4px;
}
.format-badges, .fmt-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 6px 0 8px;
}
.fmt-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}
.fmt-badge.fmt-svg { color: #2f6f4e; border-color: #9bc4a8; }
.fmt-badge.fmt-dxf { color: #1a5f8a; border-color: #8ec0e0; }
.fmt-badge.fmt-stl { color: #7a4b12; border-color: #d4a86a; }
.fmt-badge.fmt-obj { color: #5a3d8a; border-color: #b8a0e0; }
.fmt-badge.fmt-step { color: #6b3a3a; border-color: #d4a0a0; }
.cnc-stage-lg img#cncPreviewImg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #efe8da;
  display: block;
}
.cnc-thumb {
  width: 100%;
  height: 88px;
  display: block;
  margin-bottom: 6px;
  background: #efe8da;
  object-fit: cover;
}
.cat-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 10px; }
.cat-tabs button {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 6px 10px; cursor: pointer; font: inherit; font-size: 0.8rem;
}
.cat-tabs button.active { background: var(--bg1); color: #f6f1e7; border-color: var(--bg1); }
.cat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.cat-card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.cat-card:hover, .cat-card.active { border-color: var(--accent); }
.cat-card strong { display: block; font-size: 0.88rem; margin-bottom: 2px; }
.cat-card span { color: var(--muted); font-size: 0.75rem; line-height: 1.3; }
.cat-params {
  background: #fffdf8;
  border: 1px solid var(--line);
  padding: 12px;
  margin-top: 4px;
}
.cat-params h3 { margin: 0; font-size: 0.95rem; }
.row-actions { display: flex; gap: 6px; }

.preview-wrap { margin: 12px 0 14px; }
.preview-tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.preview-tabs button {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 6px 10px; cursor: pointer; font: inherit; font-size: 0.8rem;
}
.preview-tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.preview-stage {
  background:
    radial-gradient(ellipse at 50% 85%, rgba(196, 165, 116, 0.18), transparent 55%),
    linear-gradient(180deg, #f7f2e8, #ebe3d4);
  border: 1px solid var(--line);
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.preview-stage svg {
  width: 100%;
  max-height: 280px;
  height: 260px;
}
.preview-dims {
  margin-top: 6px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .cat-grid { grid-template-columns: 1fr; }
}

.table-head { display: flex; justify-content: space-between; align-items: center; }
.table-head h2 { margin: 0; font-size: 1rem; }
.table-wrap { overflow: auto; margin-top: 8px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 0.86rem; background: #fff; }
th, td { padding: 8px; border-bottom: 1px solid var(--line); text-align: left; }
th { background: #ebe4d7; font-weight: 600; font-size: 0.75rem; color: var(--muted); }
td input { padding: 6px 8px; }
td input[type="checkbox"] { width: auto; }
.actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.err { color: var(--danger); margin-top: 10px; font-size: 0.9rem; }

.btn {
  border: 1px solid #2a241c; background: #fff; color: var(--ink);
  padding: 10px 14px; cursor: pointer; font: inherit; font-weight: 600;
}
.btn.small { padding: 6px 10px; font-size: 0.82rem; }
.btn.big { padding: 12px 16px; flex: 1; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; color: inherit; border-color: currentColor; }
.top .btn.ghost { color: #f6f1e7; border-color: #8a7d6c; }

.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
  margin-bottom: 14px;
}
.stats.muted { display: block; color: var(--muted); }
.stat {
  background: #fff; border: 1px solid var(--line); padding: 12px;
}
.stat b { display: block; font-family: "IBM Plex Mono", monospace; font-size: 1.2rem; }
.stat span { color: var(--muted); font-size: 0.78rem; }

.sheets { display: grid; gap: 14px; }
.sheet-card {
  background: #fff; border: 1px solid var(--line); padding: 12px;
}
.sheet-card h3 {
  margin: 0 0 8px; font-size: 0.92rem; font-family: "IBM Plex Mono", monospace;
}
.sheet-card svg { width: 100%; height: auto; display: block; background: #f7f3ea; }

dialog {
  border: none; padding: 0; background: transparent; max-width: 420px; width: calc(100% - 24px);
}
dialog::backdrop { background: rgba(10, 8, 6, 0.55); }
.dlg {
  background: var(--panel); padding: 22px; box-shadow: var(--shadow);
}
.dlg h3 { margin: 0 0 8px; }
.dlg p { color: var(--muted); }
.pay-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.muted { color: var(--muted); font-size: 0.88rem; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .top { flex-direction: column; align-items: flex-start; }
}