/* Quote Calculator — tool-specific styles */

/* --- Page layout --- */
.calc-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.calc-header {
  padding: 28px 48px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-body {
  flex: 1;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 0;
  padding: 40px 48px 60px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  align-items: start;
}

.calc-form-col { padding-right: 40px; }
.calc-output-col { position: sticky; top: 40px; }

/* --- Section blocks --- */
.calc-section {
  margin-bottom: 32px;
}
.calc-section-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* --- Dimension inputs --- */
.dim-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.dim-field label {
  display: block;
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.dim-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: var(--fg);
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.dim-input:focus {
  outline: none;
  border-color: var(--accent);
}
.dim-input::placeholder { color: rgba(255,255,255,0.2); }

/* --- Surface area summary --- */
.surface-summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 8px;
}
.surface-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.surface-value {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--accent);
}
.surface-unit { font-size: 13px; color: var(--fg-muted); margin-left: 4px; }

/* --- Shape hint --- */
.shape-hint {
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* --- Powder type selector --- */
.powder-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.powder-option {
  background: rgba(255,255,255,0.03);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}
.powder-option:hover { border-color: rgba(245,158,11,0.4); }
.powder-option.selected {
  border-color: var(--accent);
  background: rgba(245,158,11,0.08);
}
.powder-option input { display: none; }
.powder-name {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--fg);
  margin-bottom: 4px;
}
.powder-price {
  font-size: 12px;
  color: var(--fg-muted);
}
.powder-swatch-row {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}
.powder-swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}

/* --- Coating thickness --- */
.thickness-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.thickness-btn {
  flex: 1;
  min-width: 70px;
  background: rgba(255,255,255,0.03);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 8px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}
.thickness-btn:hover { border-color: rgba(245,158,11,0.4); }
.thickness-btn.selected { border-color: var(--accent); background: rgba(245,158,11,0.08); }
.thickness-btn input { display: none; }
.thickness-val {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--fg);
  display: block;
}
.thickness-label {
  font-size: 11px;
  color: var(--fg-muted);
  display: block;
  margin-top: 2px;
}

/* --- Quantity --- */
.qty-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.qty-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--fg);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
  flex-shrink: 0;
}
.qty-btn:hover { border-color: var(--accent); background: rgba(245,158,11,0.08); }
.qty-input {
  width: 60px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  text-align: center;
  transition: border-color 0.2s;
}
.qty-input:focus { outline: none; border-color: var(--accent); }
.qty-label { font-size: 13px; color: var(--fg-muted); }

/* --- Output panel --- */
.output-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.output-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.output-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
}
.output-badge {
  font-size: 11px;
  color: var(--accent);
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.output-body { padding: 20px 24px; }

.output-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.output-row:last-child { border-bottom: none; }
.output-row-label { font-size: 13px; color: var(--fg-muted); }
.output-row-value {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--fg);
}
.output-row-value.muted { color: var(--fg-muted); font-weight: 400; }

.output-total-row {
  margin: 4px -24px -20px;
  padding: 18px 24px;
  background: rgba(245,158,11,0.07);
  border-top: 1px solid rgba(245,158,11,0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.output-total-label {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--fg);
}
.output-total-value {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 28px;
  color: var(--accent);
}
.output-total-sub {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
  text-align: right;
}

/* --- Breakdown toggle --- */
.breakdown-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-muted);
  cursor: pointer;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  user-select: none;
}
.breakdown-toggle:hover { color: var(--fg); }
.breakdown-arrow {
  font-size: 10px;
  transition: transform 0.2s;
}
.breakdown-arrow.open { transform: rotate(90deg); }

.breakdown-detail {
  display: none;
  margin-top: 12px;
  padding: 14px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.breakdown-detail.show { display: block; }
.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--fg-muted);
  padding: 3px 0;
}
.breakdown-row span:last-child { color: var(--fg); }

/* --- Disclaimer --- */
.calc-disclaimer {
  margin-top: 24px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* --- Mobile --- */
@media (max-width: 900px) {
  .calc-header { padding: 20px 24px 0; }
  .calc-body {
    grid-template-columns: 1fr;
    padding: 24px 24px 48px;
    gap: 32px;
  }
  .calc-form-col { padding-right: 0; }
  .calc-output-col { position: static; }
  .powder-grid-2 { grid-template-columns: 1fr; }
  .dim-row { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 480px) {
  .dim-row { grid-template-columns: 1fr 1fr; }
  .dim-row > *:last-child { grid-column: 1 / -1; }
  .output-total-value { font-size: 22px; }
}