/* =============================================
   BESCUTTER — DESIGN TOKENS
   Fiber laser cutting brand system
   ============================================= */

:root {
  /* Primary — Eastern Machinery brand palette */
  --color-crimson-red: #E8500A;
  --color-deep-red: #FF5C0A;
  --color-charcoal: #1a1e24;
  --color-steel-gray: #8a95a3;
  --color-iron: #2a2f38;

  /* Secondary */
  --color-spark-white: #F2EDE6;
  --color-deep-black: #0D0D0D;

  /* Semantic aliases */
  --color-primary: var(--color-crimson-red);
  --color-primary-dark: var(--color-deep-red);
  --color-background: var(--color-deep-black);
  --color-surface: var(--color-charcoal);
  --color-surface-muted: var(--color-iron);
  --color-text-primary: var(--color-spark-white);
  --color-text-muted: var(--color-steel-gray);

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

/* --- Reset --- */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* --- Home button (fixed top-left on all step pages) --- */
.home-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--color-charcoal);
  border: 1px solid var(--color-iron);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  z-index: 100;
  transition: all 0.15s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}
.home-btn:hover {
  border-color: var(--color-crimson-red);
  background: var(--color-iron);
  transform: translateY(-1px);
}
.home-btn img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}
.home-btn span {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-spark-white);
  transition: color 0.15s;
  white-space: nowrap;
}
.home-btn:hover span { color: var(--color-crimson-red); }

/* --- Base --- */
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-spark-white);
}

h1 { font-size: 3rem; line-height: 1.1; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p, li, label, input {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
}

.text-muted { color: var(--color-text-muted); }

/* --- Buttons --- */
.btn-primary {
  display: inline-block;
  background-color: var(--color-crimson-red);
  color: var(--color-spark-white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: none;
  padding: 16px 36px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s, transform 0.15s;
}
.btn-primary:hover:not(:disabled) {
  background-color: var(--color-deep-red);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  background-color: var(--color-iron);
  color: var(--color-steel-gray);
  cursor: not-allowed;
  opacity: 0.7;
}

.btn-ghost {
  color: var(--color-text-muted);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--color-spark-white); }

.btn-override {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px dashed var(--color-steel-gray);
  padding: 12px 22px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}
.btn-override::before {
  content: '⚡';
  color: var(--color-crimson-red);
  font-size: 1.1rem;
}
.btn-override:hover {
  color: var(--color-spark-white);
  border-color: var(--color-crimson-red);
  border-style: solid;
  background: rgba(232, 80, 10, 0.08);
}

.override-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}

/* --- Form inputs (customer contact) --- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
}
.form-field {
  margin-bottom: 18px;
}
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.form-field label .req { color: var(--color-crimson-red); margin-left: 3px; }
.form-field input,
.form-field textarea {
  width: 100%;
  background: var(--color-deep-black);
  border: 2px solid var(--color-iron);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--color-spark-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.15s;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-crimson-red);
}
.form-field textarea { resize: vertical; min-height: 90px; }

/* --- Printable quote summary (step 10) --- */
body.summary-page {
  background: #ffffff;
  color: #1a1a1a;
  font-family: var(--font-body);
}
body.summary-page .home-btn {
  background: #f3f3f3;
  border: 1px solid #d4d4d4;
  box-shadow: none;
}
body.summary-page .home-btn span { color: #1a1a1a; }
body.summary-page .home-btn:hover span { color: var(--color-crimson-red); }

.summary-doc {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 56px;
  background: #ffffff;
  color: #1a1a1a;
}
.summary-doc h1, .summary-doc h2, .summary-doc h3 {
  color: #1a1a1a;
  font-family: var(--font-display);
}
.summary-doc .doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 20px;
  border-bottom: 3px solid var(--color-crimson-red);
  margin-bottom: 28px;
}
.summary-doc .doc-brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.summary-doc h1 {
  font-size: 2.8rem;
  line-height: 1;
  margin: 0;
  color: #0d0d0d;
}
.summary-doc .doc-meta {
  text-align: right;
  font-size: 0.85rem;
  color: #555;
  line-height: 1.7;
}
.summary-doc .doc-meta .label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #888;
}
.summary-doc .doc-meta strong { color: #1a1a1a; }

.summary-section {
  margin-bottom: 32px;
}
.summary-section > h2 {
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-crimson-red);
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 6px;
  margin-bottom: 14px;
}
.summary-customer {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #1a1a1a;
}
.summary-customer .cust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  padding: 2px 0;
}
.summary-customer .cust-field {
  display: inline;
  white-space: nowrap;
}
.summary-customer .cust-field + .cust-field::before {
  content: '|';
  margin: 0 10px;
  color: #ccc;
}
.summary-customer .cust-field .k {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #888;
}
.summary-customer .cust-field .v {
  font-weight: 500;
}

.product-block {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 24px;
  align-items: start;
}
.product-block .pb-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #f3f3f3;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.product-block .pb-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-block #machinePhoto {
  background: #ffffff;
}
.product-block #machinePhoto img {
  object-fit: contain;
  padding: 8px;
  box-sizing: border-box;
}
.product-block h3 {
  font-size: 1.6rem;
  margin-bottom: 4px;
  color: #0d0d0d;
}
.product-block .pb-tagline {
  font-family: var(--font-display);
  color: var(--color-crimson-red);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.product-block .pb-description {
  font-size: 0.9rem;
  color: #444;
  line-height: 1.65;
  margin-bottom: 14px;
}
.product-block .pb-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 20px;
  font-size: 0.85rem;
}
.product-block .pb-specs .k {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #888;
}
.product-block .pb-specs .v {
  color: #1a1a1a;
  font-weight: 600;
}

.peripherals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
@media (max-width: 700px) {
  .peripherals-grid { grid-template-columns: 1fr; }
}
.peripheral-card {
  border: 1px solid #d4d4d4;
  border-radius: 6px;
  padding: 14px;
  background: #fafafa;
}
.peripheral-card .pc-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #f3f3f3;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  color: #888;
  font-family: var(--font-display);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.peripheral-card .pc-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.peripheral-card h4 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: #0d0d0d;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.peripheral-card .pc-spec {
  font-size: 0.78rem;
  color: #666;
  margin-bottom: 8px;
}
.peripheral-card .pc-price {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-crimson-red);
}

.electrical-brief {
  background: #fafafa;
  border: 1px solid #d4d4d4;
  border-left: 3px solid var(--color-crimson-red);
  border-radius: 6px;
  padding: 20px 24px;
}
.electrical-brief .eb-headline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #0d0d0d;
  margin-bottom: 10px;
}
.electrical-brief .eb-headline strong { color: var(--color-crimson-red); }
.electrical-brief p, .electrical-brief li {
  font-size: 0.88rem;
  color: #444;
  line-height: 1.6;
}
.electrical-brief ul { margin: 8px 0 0 20px; }
.electrical-brief li { margin-bottom: 4px; }
.electrical-brief table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.85rem;
}
.electrical-brief th, .electrical-brief td {
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid #e0e0e0;
}
.electrical-brief th {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888;
}
.electrical-brief tr:last-child td { border-bottom: none; }
.electrical-brief td:last-child { text-align: right; font-weight: 600; color: #0d0d0d; }

.price-breakdown {
  background: #fafafa;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
  padding: 4px 24px;
}
.price-breakdown .pb-line {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed #d4d4d4;
  font-size: 0.92rem;
}
.price-breakdown .pb-line:last-of-type { border-bottom: none; }
.price-breakdown .pb-line .pl-label { color: #444; }
.price-breakdown .pb-line.upgrade .pl-label { padding-left: 16px; color: #555; }
.price-breakdown .pb-line .pl-amount {
  font-family: var(--font-display);
  font-weight: 600;
  color: #0d0d0d;
  font-variant-numeric: tabular-nums;
}
.price-breakdown .pb-line .pl-note {
  display: block;
  font-size: 0.75rem;
  color: #888;
  font-style: italic;
  margin-top: 2px;
}
.price-breakdown .pb-line .included-tag {
  color: #2a7d2a;
  font-weight: 700;
  white-space: nowrap;
}
.price-breakdown .pb-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0 10px;
  border-top: 3px solid var(--color-crimson-red);
  margin-top: 6px;
}
.price-breakdown .pb-total .pt-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #444;
}
.price-breakdown .pb-total .pt-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-crimson-red);
}

/* --- Financing block --- */
.financing-block {
  background: #fafafa;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
  padding: 24px;
}
.financing-block .fin-headline {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #0d0d0d;
  margin-bottom: 6px;
}
.financing-block .fin-headline strong {
  color: var(--color-crimson-red);
  font-size: 1.5rem;
}
.financing-block .fin-subtitle {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.5;
  margin-bottom: 20px;
}
.fin-controls {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.fin-control-group {
  flex: 1;
  min-width: 200px;
}
.fin-control-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 8px;
}
.fin-toggle {
  display: flex;
  gap: 0;
  border: 1px solid #d4d4d4;
  border-radius: 6px;
  overflow: hidden;
}
.fin-btn {
  flex: 1;
  padding: 10px 6px;
  background: #fff;
  border: none;
  border-right: 1px solid #d4d4d4;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: #444;
  cursor: pointer;
  transition: all 0.15s;
}
.fin-btn:last-child { border-right: none; }
.fin-btn:hover { background: #f0f0f0; }
.fin-btn.active {
  background: var(--color-crimson-red);
  color: #fff;
}

/* --- Rate slider --- */
.rate-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #e0e0e0;
  outline: none;
  margin-top: 4px;
}
.rate-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-crimson-red);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.rate-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-crimson-red);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.fin-result {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 4px 18px;
  margin-bottom: 16px;
}
.fin-result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed #e0e0e0;
  font-size: 0.88rem;
}
.fin-result-row:last-child { border-bottom: none; }
.fin-result-row .fin-result-label { color: #555; }
.fin-result-row .fin-result-value {
  font-family: var(--font-display);
  font-weight: 600;
  color: #0d0d0d;
  font-variant-numeric: tabular-nums;
}
.fin-result-highlight {
  border-bottom: none;
  padding-top: 14px;
  margin-top: 4px;
  border-top: 3px solid var(--color-crimson-red);
}
.fin-result-highlight .fin-result-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #444;
}
.fin-result-highlight .fin-result-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-crimson-red);
}
.fin-contact {
  font-size: 0.85rem;
  color: #555;
  text-align: center;
  margin: 0;
}
.fin-contact strong { color: var(--color-crimson-red); }

/* --- Section 179 block --- */
.s179-block {
  background: #fafafa;
  border: 1px solid #d4d4d4;
  border-left: 3px solid #2a7d2a;
  border-radius: 6px;
  padding: 24px;
}
.s179-block .s179-headline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #0d0d0d;
  margin-bottom: 10px;
}
.s179-block .s179-headline strong { color: #2a7d2a; }
.s179-block > p {
  font-size: 0.88rem;
  color: #444;
  line-height: 1.6;
  margin-bottom: 16px;
}
.s179-example {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 4px 18px;
  margin-bottom: 16px;
}
.s179-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed #e0e0e0;
  font-size: 0.88rem;
}
.s179-row:last-child { border-bottom: none; }
.s179-row .s179-label { color: #555; }
.s179-row .s179-value {
  font-family: var(--font-display);
  font-weight: 600;
  color: #0d0d0d;
  font-variant-numeric: tabular-nums;
}
.s179-savings {
  border-bottom: none;
  padding-top: 14px;
  margin-top: 4px;
  border-top: 3px solid #2a7d2a;
}
.s179-savings .s179-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.82rem;
  color: #444;
}
.s179-savings .s179-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: #2a7d2a;
}
.s179-benefits {
  margin: 0 0 16px 20px;
  font-size: 0.85rem;
  color: #444;
  line-height: 1.7;
}
.s179-benefits li { margin-bottom: 4px; }
.s179-benefits strong { color: #0d0d0d; }
.s179-disclaimer {
  font-size: 0.78rem;
  color: #999;
  font-style: italic;
  margin: 0;
}

.summary-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.summary-actions .btn-primary {
  background: var(--color-crimson-red);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f3f3f3;
  color: #1a1a1a;
  border: 1px solid #d4d4d4;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}
.btn-secondary:hover {
  background: #e8e8e8;
  border-color: #999;
}

.doc-footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid #e0e0e0;
  text-align: center;
  font-size: 0.78rem;
  color: #888;
}

@media print {
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  body.summary-page { background: #ffffff !important; margin: 0; padding: 0; }
  .home-btn, .summary-actions, .doc-footer { display: none !important; }

  .summary-doc {
    padding: 12px 16px;
    max-width: 100%;
    width: 100%;
    margin: 0;
    box-sizing: border-box;
  }
  .summary-doc h1 { font-size: 2rem; }

  /* --- Header --- */
  .summary-doc .doc-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  /* --- Machine block: always side-by-side, image sized predictably --- */
  .product-block {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 16px;
    break-inside: avoid;
  }
  .product-block .pb-photo {
    aspect-ratio: 4 / 3;
    max-height: 180px;
    width: 100%;
    overflow: hidden;
  }
  .product-block .pb-photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
  }

  /* --- Peripherals: 3-column on wide, stack on narrow --- */
  .peripherals-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .peripheral-card {
    break-inside: avoid;
    padding: 10px;
  }
  .peripheral-card .pc-photo {
    aspect-ratio: 4 / 3;
    max-height: 120px;
    width: 100%;
    overflow: hidden;
  }
  .peripheral-card .pc-photo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
  }

  /* --- Page breaks: each major section starts on a new page --- */
  .section-electrical,
  .section-price,
  .section-financing,
  .section-s179 {
    page-break-before: always;
    break-before: page;
  }

  /* --- Electrical brief --- */
  .electrical-brief {
    break-inside: avoid;
    padding: 14px 16px;
  }

  /* --- Price breakdown --- */
  .price-breakdown {
    break-inside: avoid;
    padding: 4px 16px;
  }

  /* --- Customer: already condensed inline layout, no overrides needed --- */

  /* --- Financing: hide interactive controls, show result --- */
  .fin-controls { display: none !important; }
  .fin-contact { display: none !important; }
  .financing-block {
    break-inside: avoid;
    padding: 14px 16px;
    border: 1px solid #ccc;
  }
  .financing-block .fin-headline { font-size: 1.1rem; }
  .financing-block .fin-headline strong { font-size: 1.25rem; }
  .fin-result {
    break-inside: avoid;
    border: 1px solid #ccc;
  }
  .fin-result-highlight .fin-result-value { font-size: 1.3rem; }

  /* --- Section 179 --- */
  .s179-block {
    break-inside: avoid;
    padding: 14px 16px;
    border: 1px solid #ccc;
    border-left: 3px solid #2a7d2a;
  }
  .s179-example { border: 1px solid #ccc; }
  .s179-savings .s179-value { font-size: 1.2rem; }
}

/*
 * Note on mobile print: most mobile browsers render print at ~980px virtual
 * width, so max-width media queries won't fire. The base @media print block
 * above is designed to work well at any width. The grid layouts, image
 * constraints, and break rules all hold on mobile print output.
 */

/* --- Layout --- */
.page {
  padding: 48px 24px;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
}

/* --- Landing --- */
.landing {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 10%, rgba(232, 80, 10, 0.15), transparent 50%),
    radial-gradient(circle at 80% 90%, rgba(232, 80, 10, 0.08), transparent 50%),
    var(--color-deep-black);
}
.landing .brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.landing h1 {
  font-size: 4rem;
  margin-bottom: 24px;
}
.landing h1 .accent { color: var(--color-crimson-red); }
.landing p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* --- Partner badge (BesCutter logo on step pages) --- */
.partner-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 10px 16px;
  background: var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-radius: 6px;
  width: fit-content;
}
.partner-badge img {
  height: 24px;
  object-fit: contain;
  background: #ffffff;
  padding: 4px 8px;
  border-radius: 4px;
}
.partner-badge span {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* --- Partner badge on landing page --- */
.landing .partner-badge {
  margin: 0 auto 28px;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}
.landing .partner-badge img {
  height: 28px;
  padding: 5px 10px;
}

/* --- Partner logo in summary doc header --- */
.doc-header-logos {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 14px;
}
.doc-header-logos img {
  height: 52px;
  object-fit: contain;
}
.doc-header-logos .logo-divider {
  width: 2px;
  height: 44px;
  background: #ccc;
}

/* --- Step header --- */
.step-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.step-sub {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 720px;
}
.step-sub strong { color: var(--color-spark-white); font-weight: 500; }

/* --- Option cards (materials) --- */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.option {
  background: var(--color-surface);
  border: 2px solid var(--color-iron);
  border-radius: 8px;
  padding: 32px 24px;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 110px;
}
.option:hover { border-color: var(--color-steel-gray); }
.option.selected {
  border-color: var(--color-crimson-red);
  background: linear-gradient(135deg, var(--color-charcoal), rgba(232, 80, 10, 0.08));
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.option h3 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.option .desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}
.option input { display: none; }

/* --- Thickness columns --- */
.columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 800px) {
  .columns { grid-template-columns: 1fr; }
}
.col {
  background: var(--color-surface);
  border: 1px solid var(--color-iron);
  border-radius: 8px;
  padding: 22px;
}
.col.disabled {
  opacity: 0.35;
  pointer-events: none;
}
.col h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.col .hint {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.col.disabled .hint::after {
  content: ' — not selected';
  color: var(--color-crimson-red);
}
.wheel {
  position: relative;
  height: 150px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  cursor: grab;
  background: var(--color-deep-black);
  border: 1px solid var(--color-iron);
  border-radius: 6px;
}
.wheel:active { cursor: grabbing; }
.wheel-track {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  will-change: transform;
}
.wheel-item {
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--color-spark-white);
  transform-origin: center center;
  will-change: transform, opacity;
}
.wheel-item .wheel-decimal {
  font-size: 0.55em;
  color: var(--color-text-muted);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.wheel-indicator {
  position: absolute;
  left: 0;
  right: 0;
  top: 50px;
  height: 50px;
  pointer-events: none;
  border-top: 1px solid rgba(232, 80, 10, 0.5);
  border-bottom: 1px solid rgba(232, 80, 10, 0.5);
  background: linear-gradient(90deg, rgba(232, 80, 10, 0.08), transparent);
  z-index: 1;
}
.wheel-mask {
  position: absolute;
  left: 0;
  right: 0;
  height: 50px;
  pointer-events: none;
  z-index: 2;
}
.wheel-mask-top {
  top: 0;
  background: linear-gradient(to bottom, var(--color-deep-black) 20%, rgba(0,0,0,0));
}
.wheel-mask-bottom {
  bottom: 0;
  background: linear-gradient(to top, var(--color-deep-black) 20%, rgba(0,0,0,0));
}
.col.disabled .wheel { opacity: 0.4; pointer-events: none; }

/* --- Actions row --- */
.actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
}

.error {
  color: var(--color-crimson-red);
  font-size: 0.9rem;
  margin-top: 14px;
  min-height: 22px;
  font-weight: 500;
}

/* --- Power requirement card (under each column) --- */
.power-req {
  margin-top: 14px;
  padding: 14px 16px;
  background: var(--color-deep-black);
  border: 1px solid var(--color-iron);
  border-left: 3px solid var(--color-crimson-red);
  border-radius: 6px;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.power-req.empty {
  border-left-color: var(--color-iron);
  opacity: 0.55;
}
.power-req .req-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.power-req .req-kw {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-spark-white);
  letter-spacing: 0.02em;
}
.power-req .req-kw .unit {
  font-size: 1rem;
  color: var(--color-crimson-red);
  margin-left: 4px;
}
.power-req .req-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  line-height: 1.5;
}
.power-req .req-note .gas {
  color: var(--color-spark-white);
  font-weight: 500;
}
.power-req .req-empty-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Model selection (2-col with sticky quote builder) --- */
.model-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: start;
}
@media (max-width: 960px) {
  .model-layout { grid-template-columns: 1fr; }
}
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.model-card {
  background: var(--color-surface);
  border: 2px solid var(--color-iron);
  border-radius: 10px;
  padding: 18px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  position: relative;
}
.model-card:hover { border-color: var(--color-steel-gray); }
.model-card.selected {
  border-color: var(--color-crimson-red);
  background: linear-gradient(135deg, var(--color-charcoal), rgba(232, 80, 10, 0.10));
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.model-card.disabled {
  pointer-events: none;
}
.model-card.disabled > * {
  opacity: 0.35;
  filter: grayscale(0.6);
}
.model-card.disabled::after {
  content: attr(data-unavailable-reason);
  position: absolute;
  top: calc(18px + 80px);
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--color-crimson-red);
  padding: 8px 14px;
  border-radius: 4px;
  max-width: 85%;
  text-align: center;
  line-height: 1.2;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
  z-index: 2;
}
.model-card input { display: none; }
.model-photo {
  width: 100%;
  height: 160px;
  background: #ffffff;
  border: 1px solid var(--color-iron);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: #888;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  overflow: hidden;
}
.model-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 8px;
  box-sizing: border-box;
}
.model-card h3 {
  font-size: 1.35rem;
  margin-bottom: 4px;
}
.model-card .tagline {
  font-size: 0.8rem;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  font-weight: 500;
}
.model-card .description {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 12px;
  min-height: 44px;
}
.chip-section-label {
  font-family: var(--font-display);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 5px;
  margin-top: 8px;
}
.model-card .kw-badges,
.model-card .table-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.table-badge {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 3px;
  background: var(--color-deep-black);
  color: var(--color-text-muted);
  border: 1px solid var(--color-iron);
  letter-spacing: 0.04em;
  user-select: none;
  cursor: default;
  transition: all 0.1s;
}
.table-badge.clickable { cursor: pointer; }
.table-badge.clickable:hover {
  border-color: var(--color-crimson-red);
  color: var(--color-spark-white);
}
.table-badge.active {
  background: var(--color-crimson-red);
  color: var(--color-spark-white);
  border-color: var(--color-crimson-red);
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.table-badge.locked-match {
  background: var(--color-crimson-red);
  color: var(--color-spark-white);
  border-color: var(--color-crimson-red);
}
.table-badge.locked-no-match {
  opacity: 0.35;
  text-decoration: line-through;
}
.kw-badge {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 3px;
  background: var(--color-deep-black);
  color: var(--color-text-muted);
  border: 1px solid var(--color-iron);
  letter-spacing: 0.04em;
  cursor: default;
  user-select: none;
  transition: all 0.1s;
}
.kw-badge.clickable { cursor: pointer; }
.kw-badge.clickable:hover {
  border-color: var(--color-crimson-red);
  color: var(--color-spark-white);
}
.kw-badge.below-req {
  opacity: 0.3;
  text-decoration: line-through;
  cursor: not-allowed;
}
.kw-badge.active {
  background: var(--color-crimson-red);
  color: var(--color-spark-white);
  border-color: var(--color-crimson-red);
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.model-card .price-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--color-iron);
}
.model-card .price-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.model-card .price-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-spark-white);
}

/* --- Sticky sidebar wrapper (quote + amp panels scroll together) --- */
.sidebar-sticky {
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

/* --- Quote builder panel --- */
.quote-panel {
  background: var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-top: 3px solid var(--color-crimson-red);
  border-radius: 10px;
  padding: 24px;
}
.quote-panel .qp-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.quote-panel .qp-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-spark-white);
  margin-bottom: 16px;
  line-height: 1.2;
}
.quote-panel .qp-empty {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
  padding: 20px 0;
  text-align: center;
}
.qp-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-iron);
  font-size: 0.9rem;
}
.qp-row:last-of-type { border-bottom: none; }
.qp-row .k {
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}
.qp-row .v {
  color: var(--color-spark-white);
  font-family: var(--font-display);
  font-weight: 600;
}
.qp-total {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 2px solid var(--color-crimson-red);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.qp-total .tk {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.qp-total .tv {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-crimson-red);
}
.qp-items-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 18px;
  margin-bottom: 6px;
}
.qp-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-iron);
  font-size: 0.85rem;
  gap: 10px;
}
.qp-line:last-child { border-bottom: none; }
.qp-line-label {
  color: var(--color-text-muted);
  flex: 1;
}
.qp-line-amount {
  color: var(--color-spark-white);
  font-family: var(--font-display);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.qp-line.upgrade .qp-line-amount { color: var(--color-crimson-red); }

/* --- Amperage calculator panel (below quote panel) --- */
.amp-panel {
  margin-top: 18px;
  background: var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-top: 3px solid var(--color-crimson-red);
  border-radius: 10px;
  padding: 24px;
}
.amp-panel .qp-label { /* reuse styling */
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.amp-panel .qp-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-spark-white);
  margin-bottom: 16px;
  line-height: 1.2;
}
.amp-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-iron);
  font-size: 0.85rem;
}
.amp-row .k {
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}
.amp-row .v {
  color: var(--color-spark-white);
  font-family: var(--font-display);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.amp-row .v.tbd {
  color: var(--color-steel-gray);
  font-style: italic;
}
.amp-total {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--color-crimson-red);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.amp-total .tk {
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.amp-total .tv {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-crimson-red);
}
.amp-total .tv.tbd {
  color: var(--color-steel-gray);
  font-size: 1.3rem;
}

/* --- Fume extraction cards --- */
.fume-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.fume-card {
  background: var(--color-surface);
  border: 2px solid var(--color-iron);
  border-radius: 10px;
  padding: 18px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.fume-card:hover { border-color: var(--color-steel-gray); }
.fume-card.selected {
  border-color: var(--color-crimson-red);
  background: linear-gradient(135deg, var(--color-charcoal), rgba(232, 80, 10, 0.10));
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.fume-card.disabled {
  pointer-events: none;
  position: relative;
}
.fume-card.disabled > * {
  opacity: 0.35;
  filter: grayscale(0.6);
}
.fume-card.disabled::after {
  content: attr(data-unavailable-reason);
  position: absolute;
  top: calc(18px + 80px);
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--color-crimson-red);
  padding: 8px 14px;
  border-radius: 4px;
  max-width: 85%;
  text-align: center;
  line-height: 1.2;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
  z-index: 2;
}
.fume-card input { display: none; }
.fume-photo {
  width: 100%;
  height: 160px;
  background: #ffffff;
  border: 1px solid var(--color-iron);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: #888;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  overflow: hidden;
}
.fume-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 8px;
  box-sizing: border-box;
}
.fume-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.fume-card .description {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 12px;
  flex: 1;
}
.fume-card .specs {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--color-iron);
}
.fume-card .fume-kw {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.fume-card .fume-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-spark-white);
}
.fume-card .fume-price.free {
  color: var(--color-crimson-red);
}
/* --- Shop voltage + amperage calculator (step 8) --- */
.how-to-box {
  background: var(--color-surface);
  border: 1px solid var(--color-iron);
  border-left: 3px solid var(--color-crimson-red);
  border-radius: 8px;
  padding: 20px 22px;
  margin-bottom: 24px;
}
.how-to-box h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-crimson-red);
  margin-bottom: 10px;
}
.how-to-box p, .how-to-box li {
  font-size: 0.87rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}
.how-to-box ul { margin: 8px 0 0 18px; padding: 0; }
.how-to-box li { margin-bottom: 4px; }
.how-to-box strong { color: var(--color-spark-white); }

.voltage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
@media (max-width: 700px) {
  .voltage-grid { grid-template-columns: 1fr; }
}
.voltage-card {
  background: var(--color-surface);
  border: 2px solid var(--color-iron);
  border-radius: 10px;
  padding: 28px 18px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  text-align: center;
}
.voltage-card:hover { border-color: var(--color-steel-gray); }
.voltage-card.selected {
  border-color: var(--color-crimson-red);
  background: linear-gradient(135deg, var(--color-charcoal), rgba(232, 80, 10, 0.10));
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.voltage-card input { display: none; }
.voltage-card .v-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-spark-white);
  line-height: 1;
  margin-bottom: 6px;
}
.voltage-card.selected .v-num { color: var(--color-crimson-red); }
.voltage-card .v-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Amp calculation card (input side) */
.amp-calc-card {
  background:
    radial-gradient(circle at 50% 0%, rgba(232, 80, 10, 0.15), transparent 70%),
    var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-top: 3px solid var(--color-crimson-red);
  border-radius: 10px;
  padding: 26px 24px;
  margin-bottom: 28px;
}
.amp-calc-card.empty { opacity: 0.6; }
.amp-calc-card .acc-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-crimson-red);
  text-transform: uppercase;
  margin-bottom: 14px;
  text-align: center;
}
.formula {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-muted);
  text-align: center;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-iron);
}
.formula .f-var {
  color: var(--color-spark-white);
  font-weight: 700;
  padding: 2px 6px;
  background: var(--color-deep-black);
  border-radius: 3px;
  margin: 0 2px;
}
.formula-math {
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-align: center;
  color: var(--color-spark-white);
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}
.formula-math .fm-num {
  color: var(--color-crimson-red);
  font-weight: 700;
}
.formula-math .fm-op {
  color: var(--color-text-muted);
  margin: 0 8px;
  font-weight: 600;
}
.amp-big-result {
  text-align: center;
  padding-top: 10px;
}
.amp-big-result .abr-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.amp-big-result .abr-value {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--color-crimson-red);
  line-height: 1.1;
}
.amp-big-result .abr-value .unit {
  font-size: 1.8rem;
  color: var(--color-spark-white);
  margin-left: 4px;
}
.amp-calc-card.empty .amp-big-result .abr-value { color: var(--color-steel-gray); font-size: 1.6rem; }

/* Output side per-component list */
.output-side {
  margin-bottom: 24px;
}
.output-side h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.output-side .os-intro {
  font-size: 0.87rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}
.output-side .os-intro strong { color: var(--color-spark-white); }
.output-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.output-row {
  background: var(--color-surface);
  border: 1px solid var(--color-iron);
  border-radius: 8px;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 1.3fr 2fr 0.8fr;
  align-items: center;
  gap: 14px;
}
.output-row .or-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-spark-white);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.output-row .or-math {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.output-row .or-math .raw { color: var(--color-spark-white); }
.output-row .or-math .op { color: var(--color-steel-gray); margin: 0 4px; }
.output-row .or-amp {
  text-align: right;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-crimson-red);
  font-variant-numeric: tabular-nums;
}
.output-row .or-amp .bumped {
  display: block;
  font-size: 0.6rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  margin-top: 2px;
}
.output-row.tbd .or-amp { color: var(--color-steel-gray); font-size: 0.95rem; }
.min-note {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--color-deep-black);
  border: 1px dashed var(--color-steel-gray);
  border-left: 3px solid var(--color-crimson-red);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.min-note strong { color: var(--color-spark-white); }

/* Extra rows in the quote panel: shop voltage + total amps summary */
.qp-row.electrical {
  border-bottom: 1px solid var(--color-iron);
}
.qp-row.electrical .v.highlight {
  color: var(--color-crimson-red);
}

/* --- Transformer calculation block --- */
.calc-block {
  background:
    radial-gradient(circle at 50% 0%, rgba(232, 80, 10, 0.18), transparent 70%),
    var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-top: 3px solid var(--color-crimson-red);
  border-radius: 10px;
  padding: 32px 28px;
  text-align: center;
  margin-bottom: 24px;
}
.calc-block .calc-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.calc-step {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 14px;
  margin: 12px 0;
  font-family: var(--font-display);
}
.calc-step .cs-term {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-spark-white);
  letter-spacing: 0.02em;
}
.calc-step .cs-op {
  font-size: 1.25rem;
  color: var(--color-crimson-red);
  font-weight: 700;
}
.calc-step .cs-note {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  align-self: center;
}
.calc-divider {
  margin: 16px auto;
  width: 60%;
  border-bottom: 1px dashed var(--color-iron);
}
.calc-result {
  margin-top: 10px;
}
.calc-result .cr-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.calc-result .cr-value {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-crimson-red);
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.calc-result .cr-value .small {
  font-size: 1.6rem;
  color: var(--color-spark-white);
}
.calc-result.tbd .cr-value { color: var(--color-steel-gray); font-size: 1.5rem; }

.transformer-description {
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-iron);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* Horizontal strip of all transformer sizes with the selected one highlighted */
.transformer-strip-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.transformer-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(82px, 1fr));
  gap: 8px;
  margin-bottom: 24px;
}
.transformer-chip {
  padding: 14px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-iron);
  border-radius: 6px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  user-select: none;
  transition: all 0.15s;
}
.transformer-chip.too-small,
.transformer-chip.oversized {
  opacity: 0.3;
  text-decoration: line-through;
}
.transformer-chip.selected {
  background: var(--color-crimson-red);
  color: var(--color-spark-white);
  border-color: var(--color-crimson-red);
  box-shadow: 0 0 0 1px var(--color-crimson-red);
  transform: scale(1.04);
}
.transformer-chip .chip-sub {
  display: block;
  font-size: 0.65rem;
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 3px;
  opacity: 0.8;
}

/* --- "No compressor" alternative + warning --- */
.no-compressor-card {
  margin-top: 18px;
  padding: 20px 22px;
  background: var(--color-surface);
  border: 2px dashed var(--color-steel-gray);
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.no-compressor-card:hover { border-color: var(--color-crimson-red); }
.no-compressor-card.selected {
  border-color: var(--color-crimson-red);
  border-style: solid;
  background: linear-gradient(135deg, var(--color-charcoal), rgba(232, 80, 10, 0.10));
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.no-compressor-card input { display: none; }
.no-compressor-card .nc-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-spark-white);
  margin-bottom: 4px;
}
.no-compressor-card .nc-sub {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.no-compressor-card .nc-price {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.compressor-warning {
  margin-top: 16px;
  padding: 18px 22px;
  background: var(--color-deep-black);
  border: 1px solid var(--color-crimson-red);
  border-left: 3px solid var(--color-crimson-red);
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.compressor-warning .cw-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-crimson-red);
  margin-bottom: 10px;
}
.compressor-warning ul {
  margin: 10px 0 10px 18px;
  padding: 0;
}
.compressor-warning li {
  margin-bottom: 6px;
  font-size: 0.85rem;
}
.compressor-warning strong { color: var(--color-spark-white); }
.compressor-warning .cw-recommend {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-iron);
  color: var(--color-spark-white);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.ductwork-note {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--color-deep-black);
  border: 1px dashed var(--color-steel-gray);
  border-left: 3px solid var(--color-crimson-red);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.ductwork-note strong {
  color: var(--color-spark-white);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

/* --- Table size cards --- */
.table-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.table-card {
  background: var(--color-surface);
  border: 2px solid var(--color-iron);
  border-radius: 10px;
  padding: 22px 18px 20px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.table-card:hover { border-color: var(--color-steel-gray); }
.table-card.selected {
  border-color: var(--color-crimson-red);
  background: linear-gradient(135deg, var(--color-charcoal), rgba(232, 80, 10, 0.10));
  box-shadow: 0 0 0 1px var(--color-crimson-red);
}
.table-card input { display: none; }
.ratio-stage {
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  position: relative;
}
.ratio-stage svg { overflow: visible; }
.ratio-stage .bed {
  fill: var(--color-deep-black);
  stroke: var(--color-crimson-red);
  stroke-width: 2;
}
.table-card.selected .ratio-stage .bed {
  fill: rgba(232, 80, 10, 0.08);
}
.ratio-stage .grid-line {
  stroke: var(--color-iron);
  stroke-width: 0.5;
}
.ratio-stage .dim-line {
  stroke: var(--color-steel-gray);
  stroke-width: 1;
  stroke-dasharray: 2 3;
}
.ratio-stage .dim-text {
  font-family: var(--font-display);
  font-size: 9px;
  fill: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.table-card h3 {
  font-size: 1.35rem;
  margin-bottom: 4px;
}
.table-card .sqft {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.table-card .use-case {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Final power recommendation banner --- */
.result-banner {
  margin-top: 40px;
  padding: 36px 32px;
  background:
    radial-gradient(circle at 50% 0%, rgba(232, 80, 10, 0.2), transparent 70%),
    var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-top: 3px solid var(--color-crimson-red);
  border-radius: 8px;
  text-align: center;
}
.result-banner .result-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.result-banner .result-headline {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-spark-white);
  line-height: 1.15;
}
.result-banner .result-headline .kw-value {
  color: var(--color-crimson-red);
  font-size: 3.2rem;
}
.result-banner.empty .result-headline {
  color: var(--color-text-muted);
  font-size: 1.4rem;
}
.result-banner.empty {
  border-top-color: var(--color-iron);
}

/* --- Recommended badge (used on compressor cards) --- */
.recommended-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  background: var(--color-crimson-red);
  color: var(--color-spark-white);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* --- Floor plan button (in quote panel) --- */
.btn-floorplan {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
  padding: 12px 18px;
  background: transparent;
  color: var(--color-crimson-red);
  border: 1px solid var(--color-crimson-red);
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.btn-floorplan:hover:not(:disabled) {
  background: var(--color-crimson-red);
  color: var(--color-spark-white);
}
.btn-floorplan:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-floorplan svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* --- Floor plan modal --- */
.fp-modal {
  position: fixed; inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.fp-modal.open { display: flex; }
.fp-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}
.fp-modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--color-charcoal);
  border: 1px solid var(--color-iron);
  border-top: 3px solid var(--color-crimson-red);
  border-radius: 10px;
  overflow: hidden;
}
.fp-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-iron);
}
.fp-modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-spark-white);
  margin: 0;
}
.fp-modal-close {
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid var(--color-iron);
  color: var(--color-text-muted);
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  transition: border-color 0.15s, color 0.15s;
}
.fp-modal-close:hover {
  border-color: var(--color-crimson-red);
  color: var(--color-crimson-red);
}
.fp-modal-body {
  flex: 1;
  min-height: 400px;
  background: #1a1e24;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.fp-frame {
  width: 100%;
  height: 70vh;
  border: 0;
  background: #fff;
  display: block;
}
.fp-loading,
.fp-empty {
  padding: 40px 32px;
  text-align: center;
  color: var(--color-text-muted);
  max-width: 480px;
}
.fp-empty h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-spark-white);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.fp-empty p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}
.fp-empty .fp-empty-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-iron);
  border-radius: 8px;
  color: var(--color-text-muted);
}
.fp-empty .fp-empty-icon svg { width: 32px; height: 32px; }
.fp-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--color-iron);
}
.fp-modal-footer:empty { display: none; }
.fp-modal-footer .btn-primary,
.fp-modal-footer .btn-ghost {
  font-size: 0.85rem;
  padding: 10px 20px;
}
body.fp-open { overflow: hidden; }

@media (max-width: 720px) {
  .fp-modal { padding: 0; }
  .fp-modal-content { max-height: 100vh; height: 100vh; border-radius: 0; border-top-width: 3px; border-left: 0; border-right: 0; border-bottom: 0; }
  .fp-frame { height: calc(100vh - 130px); }
}