/*
  "Timeless Radiance" design system (doc/DESIGN.md), scoped to the setting-first
  engagement-ring configurator funnel via the .tr-theme wrapper class. Does not
  affect Home, Knowledge, or the older Setting_* wizard.
*/

.tr-theme {
  --tr-surface: #fcf9f8;
  --tr-surface-dim: #dcd9d9;
  --tr-surface-bright: #fcf9f8;
  --tr-surface-container-lowest: #ffffff;
  --tr-surface-container-low: #f6f3f2;
  --tr-surface-container: #f0eded;
  --tr-surface-container-high: #eae7e7;
  --tr-surface-container-highest: #e5e2e1;
  --tr-on-surface: #1c1b1b;
  --tr-on-surface-variant: #524345;
  --tr-inverse-surface: #313030;
  --tr-inverse-on-surface: #f3f0ef;
  --tr-outline: #857374;
  --tr-outline-variant: #d7c1c3;

  --tr-primary: #340411;
  --tr-on-primary: #ffffff;
  --tr-primary-container: #f6e9ea;
  --tr-secondary: #c8a278;
  --tr-on-secondary: #1a1a1a;
  --tr-charcoal: #1a1a1a;
  --tr-pearl-white: #ffffff;

  --tr-error: #ba1a1a;
  --tr-on-error: #ffffff;

  --tr-font-display: 'Playfair Display', serif;
  --tr-font-body: 'Inter', sans-serif;

  --tr-radius-sm: 0.125rem;
  --tr-radius: 0.25rem;
  --tr-radius-md: 0.375rem;
  --tr-radius-lg: 0.5rem;
  --tr-radius-xl: 0.75rem;
  --tr-radius-full: 9999px;

  --tr-unit: 8px;
  --tr-container-max: 1280px;
  --tr-gutter: 24px;
  --tr-margin-mobile: 16px;
  --tr-section-gap: 80px;

  --tr-shadow-card: 0 12px 32px rgba(28, 27, 27, 0.06);
  --tr-shadow-card-hover: 0 16px 40px rgba(28, 27, 27, 0.1);

  background: var(--tr-surface);
  color: var(--tr-on-surface);
  font-family: var(--tr-font-body);
}

.tr-theme h1,
.tr-theme h2,
.tr-theme h3,
.tr-theme .tr-heading {
  font-family: var(--tr-font-display);
  font-weight: 400;
  color: var(--tr-on-surface);
  letter-spacing: -0.01em;
}

.tr-theme h1 {
  font-size: 40px;
  line-height: 1.15;
}

.tr-theme h2 {
  font-size: 32px;
  line-height: 1.2;
}

.tr-theme h3 {
  font-size: 24px;
  line-height: 1.3;
  font-weight: 500;
}

.tr-theme .tr-eyebrow {
  font-family: var(--tr-font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tr-on-surface-variant);
}

.tr-theme .tr-lede {
  font-family: var(--tr-font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--tr-on-surface-variant);
}

/* Container */
.tr-theme .tr-container {
  max-width: var(--tr-container-max);
  margin: 0 auto;
  padding: 0 var(--tr-margin-mobile);
}

@media (min-width: 992px) {
  .tr-theme .tr-container {
    padding: 0 var(--tr-gutter);
  }
}

/* Buttons */
.tr-theme .tr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--tr-radius);
  font-family: var(--tr-font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tr-theme .tr-btn-primary {
  background: var(--tr-primary);
  color: var(--tr-on-primary);
}

.tr-theme .tr-btn-primary:hover {
  background: #4a0a1c;
  color: var(--tr-on-primary);
}

.tr-theme .tr-btn-primary:disabled {
  background: var(--tr-outline-variant);
  color: var(--tr-on-surface-variant);
  cursor: not-allowed;
}

.tr-theme .tr-btn-outline {
  background: transparent;
  color: var(--tr-charcoal);
  border-color: var(--tr-secondary);
}

.tr-theme .tr-btn-outline:hover {
  background: var(--tr-surface-container-low);
  color: var(--tr-charcoal);
}

/* Step progress bar */
.tr-theme .tr-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: var(--tr-surface-container-lowest);
  border: 1px solid var(--tr-surface-container-high);
  border-radius: var(--tr-radius-lg);
  overflow: hidden;
}

.tr-theme .tr-step {
  flex: 1 1 0;
  min-width: 140px;
  padding: 14px 18px;
  border-right: 1px solid var(--tr-surface-container-high);
  font-family: var(--tr-font-body);
}

.tr-theme .tr-step:last-child {
  border-right: none;
}

.tr-theme .tr-step-index {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tr-outline);
}

.tr-theme .tr-step.active .tr-step-index {
  color: var(--tr-primary);
}

.tr-theme .tr-step-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--tr-on-surface);
  margin-top: 2px;
}

.tr-theme .tr-step-meta {
  font-size: 12px;
  color: var(--tr-on-surface-variant);
  margin-top: 2px;
}

/* Cards */
.tr-theme .tr-card {
  background: var(--tr-surface-container-lowest);
  border-radius: var(--tr-radius-lg);
  box-shadow: var(--tr-shadow-card);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tr-theme .tr-card:hover {
  box-shadow: var(--tr-shadow-card-hover);
  transform: translateY(-2px);
}

.tr-theme .tr-card-image {
  aspect-ratio: 1 / 1;
  background: var(--tr-surface-container-low);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tr-theme .tr-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tr-theme .tr-card-body {
  padding: 16px 18px 20px;
}

.tr-theme .tr-card-title {
  font-family: var(--tr-font-display);
  font-size: 18px;
  color: var(--tr-on-surface);
  margin-bottom: 4px;
}

.tr-theme .tr-card-meta {
  font-size: 13px;
  color: var(--tr-on-surface-variant);
}

.tr-theme .tr-card-price {
  font-family: var(--tr-font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--tr-primary);
  margin-top: 8px;
}

/* Chips / filter pills */
.tr-theme .tr-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--tr-radius-full);
  border: 1px solid var(--tr-outline-variant);
  background: var(--tr-surface-container-lowest);
  color: var(--tr-on-surface);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.tr-theme .tr-chip.active {
  border-color: var(--tr-primary);
  background: var(--tr-primary-container);
  color: var(--tr-primary);
}

.tr-theme .tr-chip img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

/* Hint / info popovers */
.tr-theme .tr-hint {
  position: relative;
  display: inline-flex;
  margin-left: 6px;
  vertical-align: middle;
}

.tr-theme .tr-hint-btn {
  width: 20px;
  height: 20px;
  border-radius: var(--tr-radius-full);
  border: 1px solid var(--tr-outline);
  background: var(--tr-surface-container-lowest);
  color: var(--tr-on-surface-variant);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.tr-theme .tr-hint-btn:hover {
  border-color: var(--tr-primary);
  color: var(--tr-primary);
}

.tr-theme .tr-hint-dialog {
  width: 380px;
  max-width: 88vw;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--tr-surface-container-lowest);
  border: none;
  border-radius: var(--tr-radius-lg);
  box-shadow: var(--tr-shadow-card-hover);
  padding: 22px;
  text-transform: none;
  letter-spacing: normal;
}

.tr-theme .tr-hint-dialog::backdrop {
  background: rgba(28, 27, 27, 0.45);
}

.tr-theme .tr-hint-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: none;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--tr-on-surface-variant);
}

.tr-theme .tr-hint-body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--tr-on-surface);
  text-transform: none;
  font-weight: 400;
  letter-spacing: normal;
}

.tr-theme .tr-hint-body p {
  margin: 0 0 8px;
}

.tr-theme .tr-hint-body p:last-child {
  margin-bottom: 0;
}

.tr-theme .tr-hint-body dt {
  font-weight: 600;
  margin-top: 10px;
  color: var(--tr-on-surface);
}

.tr-theme .tr-hint-body dt:first-child {
  margin-top: 0;
}

.tr-theme .tr-hint-body dd {
  margin: 2px 0 0;
  color: var(--tr-on-surface-variant);
}

.tr-theme .tr-hint-diagram {
  margin: 14px 0;
  padding: 10px 0;
  border-top: 1px solid var(--tr-surface-container-high);
  border-bottom: 1px solid var(--tr-surface-container-high);
}

.tr-theme .tr-hint-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.tr-theme .tr-size-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.tr-theme .tr-size-table th,
.tr-theme .tr-size-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--tr-surface-container-high);
}

.tr-theme .tr-size-table th {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tr-on-surface-variant);
}

.tr-theme .tr-size-table tr.active td {
  background: var(--tr-primary-container);
  color: var(--tr-primary);
  font-weight: 600;
}

/* Angle thumbnails */
.tr-theme .tr-thumb {
  width: 64px;
  height: 64px;
  padding: 0;
  border: 1px solid var(--tr-outline-variant);
  border-radius: var(--tr-radius-md);
  overflow: hidden;
  background: var(--tr-surface-container-low);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.tr-theme .tr-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tr-theme .tr-thumb.active {
  border-color: var(--tr-primary);
  border-width: 2px;
}

/* Swatches for metal color options */
.tr-theme .tr-swatch {
  width: 36px;
  height: 36px;
  border-radius: var(--tr-radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease;
}

.tr-theme .tr-swatch.active {
  border-color: var(--tr-primary);
}

.tr-theme .tr-swatch-gold {
  background: #d5c19a;
}

.tr-theme .tr-swatch-pink_gold {
  background: #e7c7af;
}

.tr-theme .tr-swatch-white_gold {
  background: #e5e4e2;
  border-color: #ddd;
}

.tr-theme .tr-swatch.active.tr-swatch-white_gold {
  border-color: var(--tr-primary);
}

.tr-theme .tr-swatch-platinum {
  background: #cfd2d6;
}

/* Section title */
.tr-theme .tr-section-title {
  text-align: center;
  margin-bottom: 40px;
}

.tr-theme .tr-price-breakdown {
  background: var(--tr-surface-container-low);
  border-radius: var(--tr-radius-lg);
  padding: 24px;
}

.tr-theme .tr-price-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--tr-surface-container-high);
  font-size: 14px;
  color: var(--tr-on-surface-variant);
}

.tr-theme .tr-price-row.tr-total {
  border-bottom: none;
  padding-top: 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--tr-on-surface);
}