/* Bulk Material Visualizer — Styles */
@import '../../../shared/styles/tokens.css';
@import '../../../shared/styles/topbar.css';
@import '../../../shared/styles/footer.css';
@import '../../../shared/styles/share.css';

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
}

/* Layout */
.app {
  max-width: 72rem;
  margin: 0 auto;
  padding: var(--space-md);
  padding-bottom: var(--space-2xl);
  padding-left: max(var(--space-md), env(safe-area-inset-left));
  padding-right: max(var(--space-md), env(safe-area-inset-right));
  padding-bottom: max(var(--space-2xl), env(safe-area-inset-bottom));
}

@media (min-width: 480px) {
  .app {
    padding: var(--space-lg);
    padding-bottom: var(--space-2xl);
  }
}

.main-layout {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }

  .grid-input {
    grid-column: 1;
    grid-row: 1;
  }

  .grid-visualization {
    grid-column: 2;
    grid-row: 1;
  }

  .grid-results {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

/* Header */
.header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.header__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.header__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: 400;
}

@media (min-width: 480px) {
  .header__title {
    font-size: var(--font-size-3xl);
  }

  .header__subtitle {
    font-size: var(--font-size-lg);
  }
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.results-col .card-title {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-sm);
}

/* Input mode toggle */
.input-mode-toggle {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-xs);
}

.input-mode-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: var(--touch-target);
}

.input-mode-btn.active {
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Form elements */
.form-group {
  margin-bottom: var(--space-md);
}

.form-row {
  display: flex;
  gap: var(--space-md);
}

.form-row .form-group {
  flex: 1;
}

label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

input[type="number"],
select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  /* 16px minimum prevents iOS auto-zoom on focus */
  font-size: max(var(--font-size-base), 16px);
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-surface);
  min-height: var(--touch-target);
  transition: border-color var(--transition-fast);
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  opacity: 1;
}

input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-xl);
}

/* On touch devices, restore native select for better UX */
@media (pointer: coarse) {
  select {
    appearance: auto;
    background-image: none;
    padding-right: var(--space-md);
  }
}

/* Slider */
.slider-group {
  margin-bottom: var(--space-md);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.slider-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

input[type="range"] {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: 4px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 3px solid var(--color-surface);
  box-shadow: var(--shadow-md);
}

input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 3px solid var(--color-surface);
  box-shadow: var(--shadow-md);
}

/* Visualization */
.visualization-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
  padding: var(--space-md);
  background: linear-gradient(180deg, #f0f4f8 0%, #e2e8f0 100%);
  border-radius: var(--radius-md);
}

.iso-svg {
  width: 100%;
  height: auto;
}

/* Results */
.results-columns {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .results-columns {
    flex-direction: row;
    gap: var(--space-lg);
  }

  .results-col {
    flex: 1;
    min-width: 0;
  }
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .results-grid {
    grid-template-columns: 1fr;
  }
}

.result-item {
  text-align: center;
  padding: var(--space-sm);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.result-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.result-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

/* Delivery info */
.delivery-list {
  list-style: none;
  padding: 0;
}

.delivery-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
}

.delivery-list li:last-child {
  border-bottom: none;
}

.delivery-icon {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
}

/* Price input (inline with unit label) */
.price-input-wrap {
  display: flex;
  align-items: center;
  gap: 3px;
}

.price-input-wrap--full input {
  flex: 1;
}

.price-input-wrap input {
  width: 3.5rem;
  padding: 2px var(--space-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  text-align: right;
  min-height: 0;
  height: 1.5rem;
}

.price-input-wrap--full input {
  width: auto;
  font-size: max(var(--font-size-base), 16px);
  padding: var(--space-sm) var(--space-md);
  height: var(--touch-target);
}

.price-input-wrap input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.price-unit {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.price-input-wrap--full .price-unit {
  font-size: var(--font-size-sm);
}

/* Cost row */
.cost-row {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-success-light);
  border-radius: var(--radius-md);
  text-align: center;
  margin-top: var(--space-sm);
}

.cost-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cost-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-success);
}

/* Comparisons */
.comparisons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.comparison-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Recommendations (collapsible) */
.recommendations-details {
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.recommendations-summary {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
}

.recommendations-summary::-webkit-details-marker {
  display: none;
}

.recommendations-summary::before {
  content: '▸';
  margin-right: var(--space-sm);
  transition: transform var(--transition-fast);
}

.recommendations-details[open] .recommendations-summary::before {
  transform: rotate(90deg);
}

.recommendations-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0 var(--space-md) var(--space-sm);
}

/* Recommendations table */
.recommendations-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.recommendations-table th {
  text-align: left;
  padding: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text-secondary);
  font-weight: 600;
}

.recommendations-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.recommendations-table tbody tr {
  cursor: pointer;
  transition: background var(--transition-fast);
}

.recommendations-table tbody tr:hover {
  background: var(--color-primary-light);
}

.recommendations-table tbody tr:last-child td {
  border-bottom: none;
}

/* Print button */
.print-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  font-weight: 600;
  cursor: pointer;
  min-height: var(--touch-target);
  transition: background var(--transition-fast);
}

.print-btn:hover {
  background: var(--color-primary-hover);
}

/* Print styles */
@media print {
  @page { size: A4; margin: 1.2cm; }

  body { background: white; font-size: 8pt; line-height: 1.3; }
  .app { max-width: none; padding: 0; }

  .print-btn, .share-btn, .input-mode-toggle, .recommendations-details,
  .footer, .header__subtitle, input[type="range"] {
    display: none !important;
  }

  .header { margin-bottom: 0.3cm; }
  .header__title { font-size: 12pt; }

  .card {
    box-shadow: none; border: 1px solid #ccc;
    padding: 0.3cm; margin-bottom: 0.2cm; break-inside: avoid;
  }
  .card-title { font-size: 9pt; margin-bottom: 0.15cm; }

  .main-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.2cm;
  }
  .grid-input { grid-column: 1; grid-row: 1; }
  .grid-visualization { grid-column: 2; grid-row: 1; }
  .grid-results { grid-column: 1 / -1; grid-row: 2; }

  .form-group { margin-bottom: 0.1cm; }
  .form-group label { font-size: 7pt; margin-bottom: 0; }
  .form-group input, .form-group select {
    border: none; background: none; padding: 0;
    font-weight: 600; min-height: 0; font-size: 8pt;
    pointer-events: none;
  }

  .price-input-wrap--full { display: none !important; }
  .slider-value { font-size: 8pt; }

  .visualization-container { min-height: 0; padding: 0.1cm; }

  .results-columns { flex-direction: row; gap: 0.3cm; }
  .results-col .card-title { font-size: 8pt; }
  .result-item { padding: 0.1cm; }
  .result-value { font-size: 9pt; }
  .result-label { font-size: 7pt; }

  .delivery-list li { padding: 1px 0; font-size: 7pt; border-bottom: none; }
  .comparison-item { font-size: 7pt; }

  .cost-row {
    padding: 0.1cm;
    -webkit-print-color-adjust: exact; print-color-adjust: exact;
    background: #dcfce7 !important;
  }
  .cost-value { font-size: 9pt; }
  .cost-label { font-size: 7pt; }
}

/* Responsive */
@media (max-width: 480px) {
  .results-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .result-value {
    font-size: var(--font-size-xl);
  }
}