/* ── cut-optimizer.css — MetalWeightPro ─────────────────────────────────────
 * Loaded on pipe-cut-optimizer.html (Pipe & Bar Cut Optimizer) only.
 * Injected by build.js getCssLinks() via TOOL_CSS_FILES['pipe-cut-optimizer.html'].
 * Always loaded AFTER base style.css — inherits all CSS variables and tokens.
 * ─────────────────────────────────────────────────────────────────────────── */

/* ── Cut Setup ──────────────────────────────────────────────── */
.cut-setup { display: flex; flex-direction: column; gap: var(--space-md); }

.cut-setup__row {
  display: grid;
  grid-template-columns: 180px 1fr 130px;
  gap: var(--space-md);
  align-items: end;
}

.cut-setup__row--bottom {
  grid-template-columns: 1fr auto;
}

.cut-setup__field { display: flex; flex-direction: column; gap: var(--space-xs); }
.cut-setup__field--grow { flex: 1; }
.cut-setup__field--toggle { display: flex; flex-direction: column; gap: var(--space-xs); }

.cut-preset {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: border-color var(--tr);
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238896b0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.cut-preset:focus { border-color: var(--accent); }
.cut-preset option { background: var(--bg-card); color: var(--text-primary); }

/* ── Material Weight Toggle ─────────────────────────────────── */
.calc-group__label--toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.weight-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  margin-left: auto;
}

.weight-toggle-label__text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.material-expand__body {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  pointer-events: none;
}

.material-expand__body.is-open {
  max-height: 600px;
  opacity: 1;
  pointer-events: auto;
}

.cut-kgpm {
  margin-top: var(--space-md);
}

.cut-kgpm .input-field__wrap {
  max-width: 200px;
  margin-top: var(--space-xs);
}

.cut-kgpm__tip {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.cut-kgpm__tip a { color: var(--accent); font-weight: 500; }

/* ── Cut List Table ─────────────────────────────────────────── */
.cut-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.cut-list__header,
.cut-list__row {
  display: grid;
  grid-template-columns: 28px 1fr 72px 1fr 32px;
  gap: 6px;
  align-items: center;
  padding: 6px 10px;
}

.cut-list__header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
}

.cut-list__hd {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.cut-list__hd--num { text-align: center; }
.cut-list__hd--del { width: 32px; }

.cut-list__row {
  background: var(--bg-input);
  border-bottom: 1px solid var(--border);
  transition: background var(--tr);
}

.cut-list__row:last-child { border-bottom: none; }
.cut-list__row:hover { background: var(--bg-hover); }

.cut-list__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
}

.cut-list__field-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--tr);
}

.cut-list__field-wrap:focus-within {
  border-color: var(--accent);
}

.cut-list__inp {
  background: transparent;
  border: none;
  outline: none;
  padding: 7px 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  width: 100%;
  min-width: 0;
}

.cut-list__inp::placeholder { color: var(--text-muted); }
.cut-list__inp::-webkit-outer-spin-button,
.cut-list__inp::-webkit-inner-spin-button { -webkit-appearance: none; }
.cut-list__inp[type=number] { -moz-appearance: textfield; appearance: textfield; }

.cut-list__qty-inp,
.cut-list__lbl-inp {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--tr);
}

.cut-list__qty-inp:focus,
.cut-list__lbl-inp:focus {
  border-color: var(--accent);
  outline: none;
}

.cut-list__unit {
  padding: 0 7px 0 2px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.cut-list__del {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr);
  line-height: 1;
}

.cut-list__del:not(:disabled):hover {
  background: var(--danger-bg);
  color: var(--danger);
}

.cut-list__del:disabled { opacity: 0.25; cursor: not-allowed; }

.cut-list__row-count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-left: auto;
  font-weight: 400;
}

.cut-list__controls {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  flex-wrap: wrap;
}

.cut-list__add-one,
.cut-list__add-five,
.cut-list__clear {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  transition: all var(--tr);
}

.cut-list__add-one:hover,
.cut-list__add-five:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.cut-list__clear { color: var(--text-muted); }
.cut-list__clear:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-bg);
}

/* ── Offcut Threshold ───────────────────────────────────────── */
.cut-threshold__wrap { max-width: 200px; margin-top: var(--space-xs); }
.cut-threshold__hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ── Results: Stat Cards ────────────────────────────────────── */
.cut-results__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.cut-results__stat {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.cut-results__stat--highlight {
  background: rgba(232,149,42,0.07);
  border-color: var(--accent-dim);
  grid-column: 1 / -1;
}

.cut-results__stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.cut-results__stat-row {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.cut-results__stat-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.cut-results__stat--highlight .cut-results__stat-value {
  color: var(--accent);
  font-size: 1.8rem;
}

.cut-results__stat-unit {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.cut-results__stat-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Results: Warning ───────────────────────────────────────── */
.cut-results__warning {
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.82rem;
  color: var(--danger);
  margin-bottom: var(--space-md);
}

/* ── Results: Canvas ────────────────────────────────────────── */
.cut-results__canvas-wrap {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.cut-results__canvas-wrap canvas {
  display: block;
  width: 100%;
}

.cut-results__canvas-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: var(--space-xs);
}

/* ── Results: Cutting Plan ──────────────────────────────────── */
.cut-results__plan {
  margin-bottom: var(--space-md);
}

.cut-results__plan-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

.cut-results__bar {
  display: flex;
  gap: var(--space-sm);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  font-size: 0.8rem;
}

.cut-results__bar:last-child { border-bottom: none; }

.cut-results__bar-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 42px;
  padding-top: 2px;
  flex-shrink: 0;
}

.cut-results__bar-detail { flex: 1; min-width: 0; }

.cut-results__bar-cuts {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  display: flex;
  align-items: center;
  gap: 2px;
  line-height: 1.6;
}

.cut-results__cut {
  color: var(--text-primary);
  font-weight: 600;
}

.cut-results__cut-label {
  color: var(--text-muted);
  font-weight: 400;
  font-style: normal;
  font-size: 0.72rem;
}

.cut-results__sep {
  color: var(--text-muted);
  padding: 0 2px;
}

.cut-results__offcut-tag {
  color: var(--success);
  font-size: 0.72rem;
  font-weight: 600;
}

.cut-results__waste-tag {
  color: var(--text-muted);
  font-size: 0.72rem;
}

/* ── Results: Offcuts List ──────────────────────────────────── */
.cut-results__offcuts {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.cut-results__offcuts-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--success);
  margin-bottom: var(--space-sm);
}

.cut-results__offcuts-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.cut-results__offcut-chip {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 4px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--success);
  font-weight: 600;
}

/* ── Results: Action Buttons ────────────────────────────────── */
.cut-results__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.cut-results__action-btn {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  transition: all var(--tr);
}

.cut-results__action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ── Print Styles ───────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .footer-nav, .ad-slot,
  .calc-group, .calc-btn, .cut-list__controls,
  .cut-results__actions, .content-section, .hero,
  .ad-placeholder { display: none !important; }

  .calculator__layout { display: block !important; }
  .calculator__sidebar { width: 100% !important; }
  .result-panel { opacity: 1 !important; transform: none !important; }
  body { background: #fff !important; color: #000 !important; }
  .cut-results__plan-title,
  .result-header__label { color: #000 !important; }
  .cut-results__bar-num { color: #555 !important; }
  .cut-results__stat { border: 1px solid #ccc !important; background: #f9f9f9 !important; }
  .cut-results__stat-value { color: #000 !important; }
}

/* ── Responsive — Pipe & Bar Cut Optimizer ─────────────────────────────── */
@media (max-width: 768px) {
  .cut-setup__row {
    grid-template-columns: 1fr 1fr;
  }
  .cut-setup__row--bottom {
    grid-template-columns: 1fr 1fr;
  }
  .cut-list__header,
  .cut-list__row {
    grid-template-columns: 24px 1fr 60px 1fr 28px;
  }
}
@media (max-width: 480px) {
  .cut-setup__row,
  .cut-setup__row--bottom {
    grid-template-columns: 1fr;
  }
  .cut-list__header,
  .cut-list__row {
    grid-template-columns: 22px 1fr 52px 1fr 26px;
    gap: 4px;
    padding: 5px 8px;
  }
  .cut-list__hd--del { display: none; }
  .cut-results__stats {
    grid-template-columns: 1fr 1fr;
  }
  .cut-results__stat--highlight {
    grid-column: 1 / -1;
  }
}