/* ─────────────────────────────────────────────────────────────────────
   Blackstone Surface Intelligence — Studio (geometry editor & composer)
   Uses the same design tokens as countertop.css. No overrides; additive only.
   ───────────────────────────────────────────────────────────────────── */

.export-mode-select {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--char);
  background: linear-gradient(180deg, var(--linen), var(--parchment));
  border: 1px solid var(--line-warm);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.export-mode-select:hover,
.export-mode-select:focus {
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(201, 161, 74, 0.16);
  outline: none;
}

/* ── Studio panel layout ──────────────────────────────────────────── */

.studio-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  grid-template-rows: auto auto;
  grid-template-areas:
    "tools canvas"
    "tools composer";
  gap: 22px;
  padding: 0 8px;
}

@media (max-width: 1080px) {
  .studio-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "tools"
      "canvas"
      "composer";
  }
}

.studio-toolbar {
  grid-area: tools;
  position: relative;
  z-index: 4;
  pointer-events: auto;
  isolation: isolate;
}
.studio-canvas-wrap { grid-area: canvas; }
.studio-composer { grid-area: composer; }

/* ── Tool groups ──────────────────────────────────────────────────── */

.studio-tool-group {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.studio-group-label {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: rgba(58, 42, 22, 0.62);
}

.studio-tools {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
}

.studio-tools.wrap {
  flex-wrap: wrap;
}

.studio-tools button {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 8px 11px;
  border-radius: 8px;
  border: 1px solid var(--line-warm);
  background: linear-gradient(180deg, var(--linen) 0%, var(--parchment) 100%);
  color: var(--char);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  position: relative;
  z-index: 2;
  pointer-events: auto;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.studio-tools button:hover {
  border-color: var(--brass);
  transform: translateY(-1px);
}

.studio-tools button.active,
.cs-tool.active {
  background: linear-gradient(180deg, var(--brass-light) 0%, var(--brass) 80%);
  color: var(--obsidian);
  border-color: var(--brass-deep);
  box-shadow: var(--shadow-brass);
}

/* ── Edge inspector panel ─────────────────────────────────────────── */

.cs-edge-inspector {
  margin-top: 22px;
  padding: 14px 14px 16px;
  background: linear-gradient(180deg, var(--bone), var(--parchment));
  border: 1px solid var(--line-warm);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--char);
  min-height: 180px;
}

.cs-inspector-empty {
  font-style: italic;
  color: rgba(42, 36, 30, 0.5);
  font-family: var(--serif);
  font-size: 13px;
  text-align: center;
  padding-top: 24px;
}

.cs-inspector-title {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--char);
  margin-bottom: 4px;
}

.cs-inspector-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(42, 36, 30, 0.62);
  margin-bottom: 12px;
}

.cs-inspector-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.cs-inspector-row label {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(42, 36, 30, 0.7);
}

.cs-inspector-row select,
.cs-inspector-row input[type="number"],
.cs-inspector-row input[type="text"] {
  font-family: var(--sans);
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--line-warm);
  border-radius: 7px;
  background: var(--linen);
  color: var(--char);
}

.cs-inspector-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.cs-inspector-flags label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: 1px solid var(--line-warm);
  border-radius: 999px;
  font-size: 11px;
  font-family: var(--sans);
  cursor: pointer;
  background: var(--linen);
}

.cs-inspector-flags input { margin: 0; }

/* ── Canvas host ──────────────────────────────────────────────────── */

.studio-canvas-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}

.studio-canvas-head h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.04em;
  margin: 0;
  color: var(--char);
}

.studio-canvas-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(42, 36, 30, 0.6);
  letter-spacing: 0.04em;
}

.studio-canvas-host {
  position: relative;
  width: 100%;
  min-height: 480px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(at 20% 0%, rgba(230, 201, 138, 0.10), transparent 55%),
    linear-gradient(180deg, var(--linen) 0%, var(--parchment-2) 100%);
  border: 1px solid var(--line-warm);
  box-shadow: inset 0 0 0 1px rgba(255, 248, 239, 0.4), var(--shadow-soft);
  overflow: hidden;
}

#csCanvas {
  display: block;
  width: 100%;
  height: 560px;
  cursor: default;
  touch-action: none;
}

.studio-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--serif);
  font-style: italic;
  color: rgba(42, 36, 30, 0.55);
  text-align: center;
  pointer-events: none;
  font-size: 14px;
  gap: 8px;
}

.studio-empty .ev-mark {
  font-size: 28px;
  color: var(--brass);
  opacity: 0.6;
}

.studio-canvas-host.has-pieces .studio-empty {
  display: none;
}

/* ── CAD heads-up display ────────────────────────────────────────── */

.cs-coord-readout {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--mono, "SF Mono", "Menlo", monospace);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(36, 31, 28, 0.78);
  background: rgba(255, 248, 239, 0.92);
  border: 1px solid rgba(122, 90, 50, 0.22);
  border-radius: 6px;
  padding: 5px 10px;
  pointer-events: none;
  box-shadow: 0 1px 2px rgba(36, 31, 28, 0.08);
  white-space: nowrap;
  z-index: 2;
}

.cs-hotkey-hint {
  position: absolute;
  bottom: 8px;
  right: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 60%;
  justify-content: flex-end;
  pointer-events: none;
  font-family: var(--sans);
  font-size: 10px;
  color: rgba(36, 31, 28, 0.55);
  z-index: 2;
}

.cs-hotkey-hint span {
  background: rgba(255, 248, 239, 0.78);
  border: 1px solid rgba(122, 90, 50, 0.16);
  border-radius: 4px;
  padding: 2px 6px;
  white-space: nowrap;
}

.cs-hotkey-hint kbd {
  font-family: var(--mono, "SF Mono", monospace);
  font-size: 9px;
  background: rgba(122, 90, 50, 0.10);
  border: 1px solid rgba(122, 90, 50, 0.22);
  border-radius: 3px;
  padding: 1px 4px;
  margin-right: 3px;
  color: rgba(58, 42, 22, 0.85);
}

/* Floating numeric input that appears when a dimension label is clicked. */
.cs-dim-input {
  position: absolute;
  transform: translate(-50%, -100%);
  width: 88px;
  font-family: var(--mono, "SF Mono", monospace);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  padding: 4px 6px;
  border: 2px solid var(--brass, #c9a14a);
  border-radius: 6px;
  background: #fff8ef;
  color: var(--char, #3a2a16);
  box-shadow: 0 4px 12px rgba(36, 31, 28, 0.18);
  outline: none;
  z-index: 5;
}

.cs-dim-input::-webkit-inner-spin-button,
.cs-dim-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

@media (max-width: 720px) {
  .cs-coord-readout { font-size: 10px; padding: 4px 8px; }
  .cs-hotkey-hint { display: none; }
}

/* ── Composer ─────────────────────────────────────────────────────── */

.composer-controls {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-warm);
}

.composer-controls label {
  display: flex;
  flex-direction: column;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(42, 36, 30, 0.65);
  font-family: var(--sans);
  gap: 4px;
}

.composer-controls input[type="number"],
.composer-controls select {
  font-family: var(--sans);
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--line-warm);
  border-radius: 7px;
  background: var(--linen);
  color: var(--char);
  min-width: 120px;
}

.composer-controls label.check {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 13px;
  color: var(--char);
}

.composer-controls .primary {
  height: fit-content;
  padding: 10px 18px;
}

.composer-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.composer-card {
  background: linear-gradient(180deg, var(--linen), var(--parchment));
  border: 1px solid var(--line-warm);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.composer-card:hover {
  border-color: var(--brass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.composer-card.selected {
  border-color: var(--brass-deep);
  box-shadow: 0 0 0 2px rgba(201, 161, 74, 0.32), var(--shadow-soft);
}

.composer-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.composer-card-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--char);
}

.composer-card-strategy {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-deep);
}

.composer-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 8px 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(42, 36, 30, 0.78);
}

.composer-card-metrics span {
  display: flex;
  flex-direction: column;
}

.composer-card-metrics em {
  font-style: normal;
  color: var(--char);
  font-weight: 700;
  font-size: 13px;
}

.composer-card-explanation {
  font-family: var(--serif);
  font-style: italic;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(42, 36, 30, 0.78);
  border-top: 1px solid var(--line-warm);
  padding-top: 10px;
}

.composer-card-risk {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(201, 161, 74, 0.18);
  color: var(--brass-deep);
}

.composer-card-risk.warn { background: rgba(166, 71, 63, 0.18); color: var(--danger); }
.composer-card-risk.good { background: rgba(63, 122, 88, 0.18); color: var(--success); }

/* ── Edge color legend (used inline next to canvas) ──────────────── */

.cs-edge-key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  margin-top: 8px;
  color: rgba(42, 36, 30, 0.7);
}

.cs-edge-key span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cs-edge-key i {
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--brass);
  border-radius: 1px;
}

/* ── Toolbar buttons in Review tab gain a Studio shortcut ──────── */

.tool-strip button.studio-shortcut {
  background: linear-gradient(180deg, var(--brass-light), var(--brass));
  color: var(--obsidian);
  border-color: var(--brass-deep);
}

/* ───────────────────────────────────────────────────────────────────
   Edge inspector — runtime-rendered classes from countertop_studio.js
   ─────────────────────────────────────────────────────────────────── */

.cs-inspector {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cs-inspector-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(42, 36, 30, 0.7);
}

.cs-inspector-label select,
.cs-inspector-label input[type="number"],
.cs-inspector-label input[type="text"] {
  font-family: var(--sans);
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--line-warm);
  border-radius: 7px;
  background: var(--linen);
  color: var(--char);
  text-transform: none;
  letter-spacing: 0.01em;
}

.cs-inspector-label select:focus,
.cs-inspector-label input:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(201, 161, 74, 0.16);
}

.cs-flag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
  margin-top: 2px;
}

.cs-flag-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--char);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 5px;
  transition: background 0.15s ease;
}

.cs-flag-row:hover {
  background: rgba(201, 161, 74, 0.08);
}

.cs-flag-row input[type="checkbox"] {
  accent-color: var(--brass-deep);
  cursor: pointer;
}

.cs-flag-row.partial {
  background: repeating-linear-gradient(
    135deg,
    rgba(201, 161, 74, 0.08),
    rgba(201, 161, 74, 0.08) 4px,
    transparent 4px,
    transparent 8px
  );
  font-style: italic;
}

.cs-inspector-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 6px;
  border-top: 1px solid var(--line-warm);
}

.cs-inspector-actions button {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 6px;
  border: 1px solid var(--line-warm);
  background: linear-gradient(180deg, var(--linen), var(--parchment));
  color: var(--char);
  cursor: pointer;
  transition: all 0.15s ease;
}

.cs-inspector-actions button:hover:not(:disabled) {
  border-color: var(--brass);
  transform: translateY(-1px);
}

.cs-inspector-actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ───────────────────────────────────────────────────────────────────
   Slab Composer layout cards — runtime-rendered by JS
   ─────────────────────────────────────────────────────────────────── */

.cs-composer-empty {
  font-family: var(--serif);
  font-style: italic;
  color: rgba(42, 36, 30, 0.5);
  text-align: center;
  padding: 28px 12px;
  border: 1px dashed var(--line-warm);
  border-radius: var(--radius);
  background: rgba(255, 248, 239, 0.4);
}

.cs-layout-card {
  position: relative;
  background: linear-gradient(180deg, var(--linen), var(--parchment));
  border: 1px solid var(--line-warm);
  border-radius: var(--radius);
  padding: 14px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.cs-layout-card:hover {
  border-color: var(--brass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.cs-layout-card.chosen {
  border-color: var(--brass-deep);
  box-shadow: 0 0 0 2px rgba(201, 161, 74, 0.32), var(--shadow-soft);
  background: linear-gradient(180deg, var(--bone), var(--linen));
}

.cs-layout-card header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.cs-layout-card h4 {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--char);
  margin: 0;
}

.cs-layout-badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(201, 161, 74, 0.18);
  color: var(--brass-deep);
  white-space: nowrap;
}

.cs-layout-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(42, 36, 30, 0.78);
  margin: 0;
}

.cs-layout-metrics > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cs-layout-metrics dt {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(42, 36, 30, 0.5);
  margin: 0;
}

.cs-layout-metrics dd {
  font-size: 14px;
  font-weight: 700;
  color: var(--char);
  margin: 0;
}

.cs-layout-note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(42, 36, 30, 0.78);
  border-top: 1px solid var(--line-warm);
  padding-top: 10px;
  margin: 0;
}

.cs-layout-pick {
  align-self: flex-start;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-warm);
  background: linear-gradient(180deg, var(--linen), var(--parchment));
  color: var(--char);
  cursor: pointer;
  transition: all 0.15s ease;
}

.cs-layout-pick:hover {
  border-color: var(--brass);
  transform: translateY(-1px);
}

.cs-layout-card.chosen .cs-layout-pick {
  background: linear-gradient(180deg, var(--brass-light), var(--brass));
  color: var(--obsidian);
  border-color: var(--brass-deep);
  box-shadow: var(--shadow-brass);
  cursor: default;
}