/* ============================================================
   DESIGN TOKENS
   Palette drawn from refrigeration/industrial fabrication:
   cool steel neutrals + a single "compressor teal" accent that
   reads as "cold" without leaning on literal ice-blue cliches.
   ============================================================ */
:root {
  /* color */
  --ink-900: #101A22;
  --ink-700: #26343E;
  --ink-500: #5B6B76;
  --ink-300: #93A3AC;
  --line: #DEE5E9;
  --line-strong: #C4CDD3;
  --bg: #F3F6F7;
  --panel: #FFFFFF;
  --accent: #17798A;
  --accent-600: #125F6C;
  --accent-100: #E3F1F3;
  --accent-050: #F0F8F9;
  --warn: #B4521C;

  /* type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', monospace;

  /* layout */
  --header-h: 64px;
  --price-bar-h: 84px;
  --config-w: 420px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(16, 26, 34, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 26, 34, 0.10);
  --shadow-lg: 0 16px 48px rgba(16, 26, 34, 0.16);
}

* { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow: hidden; /* app behaves like a single-screen tool, not a scrolling page */
}
button, input, select { font-family: inherit; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ============================================================
   APP SHELL
   ============================================================ */
.app-shell {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------------- HEADER ---------------- */
.app-header {
  height: var(--header-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--ink-900);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink-900);
}
.brand-name em { color: var(--accent); font-style: normal; }

.step-track {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  list-style: none;
  margin: 0; padding: 0;
}
.step {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-300);
  padding: 6px 12px;
  border-radius: 999px;
  white-space: nowrap;
  position: relative;
}
.step.is-active { color: var(--accent-600); background: var(--accent-100); }
.step.is-complete { color: var(--ink-700); }
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -7px; top: 50%;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--line-strong);
  transform: translateY(-50%);
}

/* ---------------- MAIN SPLIT ---------------- */
.app-main {
  flex: 1 1 auto;
  display: flex;
  min-height: 0; /* required so children can scroll/size within flex */
}

/* ============================================================
   LEFT: 3D VIEWPORT
   ============================================================ */
.viewport-panel {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  background:
    radial-gradient(ellipse at 50% 30%, #EEF3F4 0%, #E2E9EB 70%, #D8E0E3 100%);
  overflow: hidden;
}
#scene-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.viewport-toolbar {
  position: absolute;
  top: 20px; left: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 4px;
  box-shadow: var(--shadow-sm);
  z-index: 5;
}
.tool-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--ink-500);
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.tool-btn:hover { background: var(--bg); color: var(--ink-900); }
.tool-btn.is-active { background: var(--accent); color: #fff; }
.toolbar-divider { width: 1px; height: 20px; background: var(--line); margin: 0 2px; }

.spec-readout {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(16, 26, 34, 0.92);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  min-width: 168px;
  font-family: var(--font-mono);
  box-shadow: var(--shadow-md);
  z-index: 5;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  padding: 3px 0;
  color: #EAF2F3;
}
.spec-row span { color: #8FA6AC; letter-spacing: 0.04em; text-transform: uppercase; font-size: 10.5px; }
.spec-row b { font-weight: 600; }
.spec-row--muted { border-top: 1px solid rgba(255,255,255,0.14); margin-top: 6px; padding-top: 8px; }
.spec-row--muted span, .spec-row--muted b { color: #C7D8DB; font-size: 11.5px; }

.viewport-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(243, 246, 247, 0.85);
  color: var(--ink-500);
  font-size: 13px;
  font-family: var(--font-mono);
  z-index: 8;
  transition: opacity .25s ease;
}
.viewport-loading.is-hidden { opacity: 0; pointer-events: none; }
.spinner {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2.5px solid var(--line-strong);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- WARNING BANNER ---------------- */
.warning-banner {
  position: absolute;
  left: 20px; right: 20px; bottom: calc(var(--price-bar-h) + 30px);
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
  border: 2px solid #ffc107;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  z-index: 5;
  animation: slideInUp 0.4s ease-out;
}

.warning-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.warning-text {
  font-size: 13px;
  font-weight: 600;
  color: #856404;
  line-height: 1.4;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------------- PRICE BAR ---------------- */
.price-bar {
  position: absolute;
  left: 20px; right: 20px; bottom: 20px;
  min-height: var(--price-bar-h);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  z-index: 6;
}
.price-bar__summary { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.price-bar__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-300);
  font-weight: 600;
}
.price-bar__value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
  transition: color .2s ease;
}
.price-bar__value.is-updating { color: var(--accent); }
.price-bar__breakdown-toggle {
  border: none; background: none;
  color: var(--accent-600);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 6px;
}
.price-bar__actions { display: flex; gap: 10px; }

.price-breakdown {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  width: 300px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 14px 16px;
  display: none;
  font-size: 13px;
}
.price-breakdown.is-open { display: block; }
.price-breakdown__row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  color: var(--ink-700);
}
.price-breakdown__row--total {
  border-top: 1px solid var(--line);
  margin-top: 6px;
  padding-top: 8px;
  font-weight: 600;
  color: var(--ink-900);
}
.price-breakdown__row span:last-child { font-family: var(--font-mono); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink-900); color: #fff; }
.btn-primary:hover { background: var(--accent-600); }
.btn-outline { background: transparent; color: var(--ink-900); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--ink-500); }
.btn-ghost { background: transparent; color: var(--ink-500); border: none; display: flex; align-items: center; gap: 6px; }
.btn-ghost:hover { color: var(--ink-900); }

/* ============================================================
   RIGHT: CONFIG PANEL / ACCORDION (Mimeeq-style)
   ============================================================ */
.config-panel {
  flex: 0 0 var(--config-w);
  background: var(--panel);
  border-left: 1px solid var(--line);
  overflow-y: auto;
  z-index: 10;
}
.accordion { display: flex; flex-direction: column; }
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}
.accordion-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-300);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 2px 6px;
}
.accordion-item.is-open .accordion-index { color: var(--accent-600); border-color: var(--accent); }
.accordion-title {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-900);
}
.chev { color: var(--ink-300); transition: transform .2s ease; flex: 0 0 auto; }
.accordion-item.is-open .chev { transform: rotate(180deg); color: var(--accent); }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height .3s ease, padding .3s ease;
}
.accordion-item.is-open .accordion-body {
  max-height: 640px;
  padding: 0 24px 24px;
}

/* ---- field primitives ---- */
.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-500);
  margin: 18px 0 10px;
}
.field-label:first-child { margin-top: 0; }
.field-hint {
  font-size: 12.5px;
  color: var(--ink-300);
  line-height: 1.5;
  margin: 10px 0 0;
}
.field-row { display: flex; gap: 12px; }
.field { flex: 1; }
.field-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--ink-900);
  background: var(--panel);
}
.field-input:focus { border-color: var(--accent); }

/* ---- chip row (depth selector) ---- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel);
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--ink-700);
  cursor: pointer;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--accent); }
.chip.is-selected { background: var(--ink-900); border-color: var(--ink-900); color: #fff; }

/* ---- option cards (radio / checkbox styled as cards) ---- */
.option-grid { display: grid; gap: 10px; }
.option-grid--2 { grid-template-columns: 1fr 1fr; }
.option-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.option-card input { position: absolute; opacity: 0; }
.option-card__title { font-size: 13.5px; font-weight: 600; color: var(--ink-900); }
.option-card__sub { font-size: 11.5px; color: var(--ink-300); font-family: var(--font-mono); }
.option-card:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-050);
}
.option-card:has(input:checked) .option-card__title { color: var(--accent-600); }

/* ---- stepper (display door count) ---- */
.stepper {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.stepper-btn {
  width: 40px; height: 40px;
  border: none;
  background: var(--bg);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-700);
  cursor: pointer;
}
.stepper-btn:hover { background: var(--accent-100); color: var(--accent-600); }
.stepper-value {
  width: 56px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
}

/* ---- finish swatches ---- */
.swatch-row { display: flex; gap: 14px; }
.swatch { display: flex; flex-direction: column; align-items: center; gap: 8px; cursor: pointer; }
.swatch input { position: absolute; opacity: 0; }
.swatch__chip {
  width: 52px; height: 52px;
  border-radius: 10px;
  border: 2px solid transparent;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: border-color .15s ease, transform .1s ease;
}
.swatch:has(input:checked) .swatch__chip { border-color: var(--accent); transform: scale(1.05); }
.swatch__chip--galvalume { background: linear-gradient(135deg, #D7DEE2, #AEB9BF); }
.swatch__chip--stainless { background: linear-gradient(135deg, #F1F3F4, #C7CDD1); }
.swatch__chip--stucco { background: #F7F5F0; }
.swatch__label { font-size: 11.5px; color: var(--ink-500); font-weight: 500; }

/* ---- toggle rows (accessories) ---- */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-900);
  cursor: pointer;
}
.toggle-row:last-child { border-bottom: none; }
.toggle-row input { position: absolute; opacity: 0; }
.toggle-switch {
  width: 40px; height: 22px;
  border-radius: 999px;
  background: var(--line-strong);
  position: relative;
  transition: background .15s ease;
  flex: 0 0 auto;
}
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease;
}
.toggle-row input:checked + .toggle-switch { background: var(--accent); }
.toggle-row input:checked + .toggle-switch::after { transform: translateX(18px); }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translate(-50%, 20px);
  background: var(--ink-900);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 100;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   WELCOME SCREEN
   ============================================================ */
.welcome-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #F3F6F7 0%, #E9EEF0 100%);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.welcome-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.welcome-container {
  max-width: 1200px;
  width: 100%;
  padding: 60px 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.welcome-header {
  text-align: center;
  margin-bottom: 48px;
}

.welcome-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--ink-900);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.welcome-title em {
  color: var(--accent);
  font-style: normal;
}

.welcome-subtitle {
  font-size: 18px;
  color: var(--ink-500);
  margin: 0;
  font-weight: 500;
}

.welcome-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.cooler-option {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.cooler-option::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-050) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.cooler-option:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cooler-option:hover::before {
  opacity: 1;
}

.cooler-option:active {
  transform: translateY(-2px);
}

.cooler-option__icon {
  position: relative;
  z-index: 1;
  color: var(--ink-500);
  transition: color 0.25s ease, transform 0.25s ease;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cooler-option__icon svg {
  max-width: 100%;
  max-height: 100%;
}

.cooler-option:hover .cooler-option__icon {
  color: var(--accent);
  transform: scale(1.05);
}

.cooler-option__details {
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cooler-option__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 8px;
}

.cooler-option__specs {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-600);
  margin: 0 0 8px;
}

.cooler-option__desc {
  font-size: 13px;
  color: var(--ink-500);
  margin: 0;
  line-height: 1.5;
}

.cooler-option--custom .cooler-option__icon {
  color: var(--accent);
}

.cooler-option--custom:hover .cooler-option__icon {
  color: var(--accent-600);
}

/* Mobile responsive for welcome screen */
@media (max-width: 980px) {
  .welcome-options {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .cooler-option {
    padding: 24px 16px;
    min-height: 260px;
  }

  .cooler-option__icon {
    height: 70px;
  }
}

@media (max-width: 760px) {
  .welcome-container {
    padding: 40px 16px;
  }

  .welcome-title {
    font-size: 32px;
  }

  .welcome-subtitle {
    font-size: 16px;
  }

  .welcome-header {
    margin-bottom: 32px;
  }

  .welcome-options {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cooler-option {
    padding: 28px 20px;
    min-height: 240px;
  }

  .cooler-option__icon {
    height: 80px;
  }

  .cooler-option__title {
    font-size: 18px;
  }

  .cooler-option__specs {
    font-size: 13px;
  }

  .cooler-option__desc {
    font-size: 12px;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .welcome-container {
    padding: 30px 12px;
  }

  .welcome-title {
    font-size: 28px;
  }

  .welcome-subtitle {
    font-size: 14px;
  }

  .cooler-option {
    padding: 24px 16px;
    min-height: 220px;
  }

  .cooler-option__icon {
    height: 60px;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  :root { --config-w: 360px; }
  .step-track { display: none; }
}
@media (max-width: 760px) {
  body { overflow: auto; }
  .app-shell { height: auto; min-height: 100vh; }
  .app-main { flex-direction: column; }
  .viewport-panel { height: 52vh; flex: none; }
  .config-panel { flex: none; width: 100%; border-left: none; border-top: 1px solid var(--line); }
  .price-bar { flex-direction: column; align-items: stretch; gap: 12px; left: 12px; right: 12px; bottom: 12px; }
  .price-bar__actions { justify-content: stretch; }
  .price-bar__actions .btn { flex: 1; }
}

/* ============================================================
   PREMIUM FEATURES STYLES
   ============================================================ */

/* Feature Toolbar */
.feature-toolbar {
  position: fixed;
  bottom: 120px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}

.feature-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink-500);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.feature-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateX(-2px);
  box-shadow: var(--shadow-md);
}

.feature-btn:active {
  transform: translateX(-2px) scale(0.95);
}

/* Focus indicators for accessibility */
*:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Toast notifications are already styled, but premium version adds these */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

/* Mobile responsive adjustments */
@media (max-width: 760px) {
  /* Move viewport toolbar higher up, below header */
  .viewport-toolbar {
    top: 60px;
    left: 10px;
    right: auto;
    flex-direction: row;
    gap: 4px;
    padding: 6px;
  }

  .tool-btn {
    width: 36px;
    height: 36px;
    font-size: 11px;
  }

  .toolbar-divider {
    width: 1px;
    height: 24px;
    margin: 0 2px;
  }

  /* Position feature toolbar vertically on right side */
  .feature-toolbar {
    top: 60px;
    right: 10px;
    left: auto;
    bottom: auto;
    flex-direction: column;
    gap: 6px;
    max-width: none;
  }

  .feature-btn {
    width: 42px;
    height: 42px;
  }

  .toast-container {
    top: 120px;
    right: 70px;
    left: 10px;
  }

  /* Hide spec readout (L/W/H dimensions) on mobile */
  .spec-readout {
    display: none;
  }

  /* Make price bar and breakdown more compact on mobile */
  .price-bar {
    padding: 10px 12px;
    max-width: calc(100% - 70px);
    left: 12px;
    right: 70px;
  }

  .price-bar__summary {
    gap: 6px;
    flex-wrap: wrap;
  }

  .price-bar__label {
    font-size: 10px;
  }

  .price-bar__value {
    font-size: 18px;
  }

  .price-bar__breakdown-toggle {
    font-size: 10px;
    padding: 3px 6px;
  }

  .price-bar__actions {
    gap: 8px;
  }

  .price-bar__actions .btn {
    padding: 8px 12px;
    font-size: 12px;
  }

  /* Make price breakdown smaller */
  .price-breakdown {
    font-size: 11px;
    padding: 8px;
    max-height: 200px;
    overflow-y: auto;
  }

  .price-breakdown__row {
    padding: 4px 0;
  }

  /* Hide 5 ton warning banner on mobile */
  .warning-banner {
    display: none !important;
  }
}