:root {
  --bg: #f2f3f6;
  --surface: #ffffff;
  --surface-soft: #f7f8fb;
  --text: #303338;
  --muted: #6d7179;
  --border: #dedfe5;
  --accent: #b252af;
  --accent-strong: #9e429c;
  --accent-soft: #f4e8f5;
  --warning: #e4be45;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --bg-glow: #f8f9fb;
  --status-dot: #d9b03e;
  --btn-primary-top: #c956c5;
  --btn-primary-bottom: #af42ab;
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: #ffffff;
  --btn-secondary-border: #b350b0;
  --btn-secondary-text: #8f378e;
  --checkbox-accent: #8f3d92;
  --pending-box-border: #d6c3de;
  --pending-box-bg: #f3e9f7;
  --pending-box-strong: #9f3a9b;
  --pending-chip-bg: #b43ba8;
  --overlay-text: #f6edf9;
  --radius: 12px;
  --shadow: 0 10px 24px rgba(19, 23, 29, 0.07);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: radial-gradient(circle at 50% 0%, var(--bg-glow), var(--bg));
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
}

body {
  padding-bottom: 108px;
}

h2,
h3,
h4,
p {
  margin: 0;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header-inner {
  max-width: 1320px;
  margin: 0 auto;
  height: 74px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: inline-flex;
  align-items: center;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  min-width: 0;
}

.locale-switcher {
  position: relative;
  display: inline-flex;
  justify-content: flex-end;
}

.locale-switcher[hidden] {
  display: none;
}

.locale-trigger,
.locale-option {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  min-height: 42px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(19, 23, 29, 0.05);
}

.locale-trigger {
  min-width: 142px;
  justify-content: space-between;
}

.locale-trigger.is-open {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 12px 26px rgba(19, 23, 29, 0.09);
}

.locale-trigger-main,
.locale-option-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.locale-switcher img {
  width: 20px;
  height: 20px;
  display: block;
  flex: 0 0 20px;
}

.locale-trigger-label,
.locale-option-label {
  white-space: nowrap;
  line-height: 1;
}

.locale-trigger-chevron {
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  transition: transform 0.18s ease;
}

.locale-trigger.is-open .locale-trigger-chevron {
  transform: rotate(180deg);
}

.locale-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: max-content;
  min-width: 100%;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 20px 36px rgba(19, 23, 29, 0.12);
  z-index: 30;
}

.locale-menu[hidden] {
  display: none;
}

.locale-option {
  width: 100%;
  justify-content: flex-start;
  box-shadow: none;
  border: none;
  border-radius: 10px;
}

.locale-option + .locale-option {
  margin-top: 4px;
}

.locale-option:hover,
.locale-option:focus-visible,
.locale-option.active {
  outline: none;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.locale-option.active {
  cursor: default;
}

.brand-logo {
  width: auto;
  max-width: min(320px, calc(100vw - 56px));
  height: 36px;
}

.app-shell {
  max-width: 1320px;
  margin: 18px auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 255px 1fr 305px;
  gap: 20px;
  align-items: start;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.order-summary-card {
  padding: 16px;
}

.order-summary-card h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 14px;
}

.summary-item {
  padding: 10px 0;
  border-top: 1px solid #ececf2;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  line-height: 1.25;
}

.summary-label {
  color: var(--muted);
  font-size: 12px;
}

.summary-subvalue {
  color: #737986;
  font-size: 11px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--status-dot);
}

.center-column,
.right-column {
  display: grid;
  gap: 16px;
}

.preview-card {
  overflow: hidden;
}

.card-header {
  padding: 16px 18px;
  border-bottom: 1px solid #ececf2;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-header h2 {
  font-family: var(--font-heading);
  font-size: 18px;
}

.mode-switch {
  border-radius: 999px;
  background: var(--accent-soft);
  padding: 3px;
  display: inline-flex;
  gap: 2px;
}

.mode-btn {
  border: none;
  background: transparent;
  border-radius: 999px;
  padding: 6px 12px;
  color: #686d75;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.mode-btn.active {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.viewer-stage {
  position: relative;
  height: 520px;
  background: radial-gradient(circle at 50% 35%, #0f1116, #000);
}

#viewerCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewer-loading-overlay {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(180deg, rgba(26, 17, 30, 0.55), rgba(12, 9, 18, 0.68));
  backdrop-filter: blur(1px);
  z-index: 12;
}

.viewer-loading-overlay.is-visible {
  display: flex;
}

.viewer-loading-spinner {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent);
  border-right-color: var(--accent-strong);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent), 0 0 18px color-mix(in srgb, var(--accent) 45%, transparent);
  animation: proof3d-spin 0.85s linear infinite;
}

.viewer-loading-text {
  color: var(--overlay-text);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

@keyframes proof3d-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.viewer-toolbar {
  padding: 12px 16px;
  border-top: 1px solid #ececf2;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 8px;
}

.control-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preview-opacity-row {
  width: min(360px, 100%);
  display: grid;
  grid-template-columns: max-content 1fr max-content;
  align-items: center;
  gap: 8px;
  padding: 0 2px;
}

.preview-opacity-label {
  font-size: 11px;
  font-weight: 700;
  color: #535867;
  letter-spacing: 0;
  white-space: nowrap;
}

.preview-opacity-slider {
  width: 100%;
  accent-color: var(--accent-strong);
}

.preview-opacity-value {
  min-width: 38px;
  text-align: right;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-strong);
  white-space: nowrap;
}

.toolbar-divider {
  width: min(420px, 100%);
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 15%, transparent), color-mix(in srgb, var(--accent) 70%, transparent), color-mix(in srgb, var(--accent) 15%, transparent));
  display: none;
}

.gizmo-group {
  display: none;
}

.soft-btn,
.chip {
  border: 1px solid #cfd3dc;
  border-radius: 999px;
  background: #f8f9fc;
  color: #3f4450;
  padding: 6px 11px;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1;
  cursor: pointer;
}

.btn-icon {
  font-size: 12px;
  color: var(--accent-strong);
  line-height: 1;
}

.soft-btn.active,
.chip.active {
  background: #e9edf4;
  border-color: #c2c9d8;
}

.soft-btn.active .btn-icon {
  color: var(--accent-strong);
}

.proof-meta-inline {
  border-top: 1px solid #ececf2;
  padding: 12px 16px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #565b66;
}

.proof-disclaimer {
  margin: 6px 16px 16px;
  border: 1px solid #e6d289;
  background: linear-gradient(180deg, #fff9e3 0%, #fff3ca 100%);
  color: #4d4017;
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 8px 18px rgba(92, 64, 9, 0.08);
}

.proof-disclaimer-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.proof-disclaimer-icon {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid #d2b157;
  background: rgba(255, 255, 255, 0.62);
  color: #8a6a18;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.proof-disclaimer-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #644c13;
}

.proof-disclaimer-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: #5a4a1b;
}

.object-list-card {
  padding: 14px 16px;
}

.object-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.object-list-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 0;
}

.object-add-btn {
  padding: 6px 12px;
  font-size: 12px;
}

.editor-hint {
  margin: 8px 0 0;
  font-size: 13px;
  color: #626977;
  line-height: 1.4;
}

.object-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.object-list li {
  border: 1px solid #d6d9e1;
  border-radius: 10px;
  padding: 9px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  cursor: pointer;
}

.object-list li.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.object-list .object-class {
  color: #787d87;
  font-size: 11px;
}

.right-column .card {
  padding: 16px;
}

.proof-actions-card h2,
.editor-tools-card h2,
.editor-decision-card h2 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 12px;
}

.proof-actions-card h3,
.editor-tools-card h3 {
  font-family: var(--font-heading);
  font-size: 12px;
  margin: 8px 0 10px;
}

.input-label {
  display: block;
  color: #575d68;
  font-size: 15px;
  margin: 8px 0 6px;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid #ccd2de;
  border-radius: 10px;
  background: #fff;
  color: #2f333a;
  font-size: 15px;
  line-height: 1.3;
  padding: 10px 12px;
  font-family: inherit;
}

textarea {
  resize: vertical;
  min-height: 110px;
}

#textValue,
#mobileTextValue {
  min-height: 74px;
}

.btn {
  width: 100%;
  border-radius: 11px;
  border: 1px solid transparent;
  padding: 11px 14px;
  margin-top: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(180deg, var(--btn-primary-top), var(--btn-primary-bottom));
  color: var(--btn-primary-text);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  border-color: var(--btn-secondary-border);
  color: var(--btn-secondary-text);
}

.btn-ghost {
  background: #f4f6fb;
  border-color: #d2d8e4;
  color: #4a505e;
}

.btn-disabled {
  background: #d6dae3;
  color: #f8f9fb;
  border-color: #d6dae3;
}

.audit-note {
  margin-top: 10px;
  font-size: 12px;
  color: #6f7682;
  line-height: 1.4;
}

.decision-summary {
  border: 1px solid #d8dce6;
  border-radius: 10px;
  background: #f8fafc;
  color: #4a505b;
  font-size: 14px;
  line-height: 1.45;
  padding: 12px;
  margin: 8px 0 0;
}

.axis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.axis-grid label {
  color: #555b67;
  font-size: 14px;
}

.axis-grid input {
  margin-top: 4px;
}

.checkline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 2px 0 10px;
  color: #4f5562;
  font-size: 13px;
  font-weight: 600;
}

.checkline input[type='checkbox'] {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--checkbox-accent);
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid #d3d8e4;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 8px;
}

.segmented button {
  border: none;
  background: #f8f9fc;
  color: #4d5360;
  font-size: 14px;
  padding: 8px;
  cursor: pointer;
}

.segmented button.active {
  background: #e9edf4;
  color: #1b1f29;
  font-weight: 700;
}

.pending-box {
  margin-top: 12px;
  border-radius: 11px;
  border: 1px solid var(--pending-box-border);
  background: var(--pending-box-bg);
  padding: 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
}

.pending-box strong {
  color: var(--pending-box-strong);
  font-size: 16px;
}

.clip-warning {
  display: none;
  margin-top: 10px;
  border: 1px solid #e4c56a;
  border-radius: 10px;
  background: #fff7d8;
  color: #6a560d;
  font-size: 13px;
  line-height: 1.4;
  padding: 9px 10px;
}

.clip-warning.visible {
  display: block;
}

.editor-decision-card p {
  margin-top: 8px;
  color: #656b76;
  font-size: 14px;
}

.mobile-meta-card,
.mobile-viewer-actions,
.mobile-edit-card,
.mobile-sticky {
  display: none;
}

.tool-block {
  border: 1px solid #dfe3ec;
  border-radius: 11px;
  background: #fbfcff;
  padding: 12px;
  margin-top: 10px;
}

.tool-block h4 {
  font-family: var(--font-heading);
  font-size: 20px;
  margin-bottom: 8px;
}

.mobile-edit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.nudge-grid {
  width: 170px;
  margin: 0 auto 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 8px;
}

.nudge-grid button {
  border: 1px solid #ccd2dd;
  border-radius: 10px;
  background: #f6f8fc;
  font-size: 24px;
  min-height: 42px;
}

.nudge-grid button[data-nudge='up'] {
  grid-column: 2;
  grid-row: 1;
}

.nudge-grid button[data-nudge='left'] {
  grid-column: 1;
  grid-row: 2;
}

.nudge-grid button[data-nudge='right'] {
  grid-column: 3;
  grid-row: 2;
}

.nudge-grid button[data-nudge='down'] {
  grid-column: 2;
  grid-row: 3;
}

.pending-chip {
  width: max-content;
  margin: 10px auto;
  background: var(--pending-chip-bg);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  padding: 5px 10px;
}

.mobile-edit-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.dev-load {
  display: none;
}

.mode-viewer .editor-tools-card,
.mode-viewer .editor-decision-card,
.mode-viewer .object-list-card {
  display: none;
}

.mode-viewer .gizmo-group {
  display: none;
}

.mode-editor .gizmo-group {
  display: flex;
}

.mode-editor .toolbar-divider {
  display: block;
}

.mode-editor .proof-actions-card {
  display: none;
}

@media (max-width: 920px) {
  .site-header-inner {
    height: auto;
    min-height: 68px;
    padding: 0 12px;
    gap: 12px;
    align-items: flex-start;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .header-actions {
    margin-left: auto;
  }

  .locale-switcher {
    width: 100%;
  }

  .locale-trigger,
  .locale-option {
    padding: 8px 10px;
    font-size: 12px;
  }

  .locale-trigger {
    min-width: 132px;
  }

  .brand-logo {
    width: 178px;
    height: auto;
  }

  .app-shell {
    margin: 10px auto 120px;
    padding: 0 10px;
    grid-template-columns: 1fr;
    gap: 12px;
    max-width: 420px;
  }

  .order-summary-card,
  .right-column,
  .object-list-card {
    display: none;
  }

  .preview-header h2 {
    font-size: 20px;
  }

  .mode-btn {
    font-size: 15px;
    padding: 6px 10px;
  }

  .preview-opacity-row {
    width: min(320px, 100%);
  }

  .viewer-stage {
    height: 336px;
  }

  .soft-btn,
  .chip {
    font-size: 14px;
    padding: 6px 10px;
  }

  .gizmo-group {
    display: none !important;
  }

  .toolbar-divider {
    display: none !important;
  }

  .proof-meta-inline {
    display: none;
  }

  .proof-disclaimer {
    margin: 8px 12px 14px;
    padding: 12px 13px;
    border-radius: 12px;
  }

  .proof-disclaimer-title {
    font-size: 13px;
  }

  .proof-disclaimer-text {
    font-size: 13px;
  }

  .mode-editor .mobile-edit-card,
  .mode-editor .mobile-meta-card,
  .mode-editor .mobile-sticky {
    display: block;
  }

  .mode-viewer .mobile-viewer-actions,
  .mode-viewer .mobile-meta-card,
  .mode-viewer .mobile-sticky {
    display: block;
  }

  .mode-viewer .mobile-edit-card {
    display: none;
  }

  .mode-editor .mobile-viewer-actions {
    display: none;
  }

  .mobile-meta-card,
  .mobile-viewer-actions,
  .mobile-edit-card {
    padding: 14px;
  }

  .mobile-meta-card h3,
  .mobile-viewer-actions h3,
  .mobile-edit-card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 8px;
  }

  .mobile-meta-card p {
    color: #4f5460;
    font-size: 14px;
    line-height: 1.45;
  }

  .mobile-sticky {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid #d8dce7;
    box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.06);
    padding: 10px;
    z-index: 25;
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    align-items: center;
  }

  .mobile-sticky .btn {
    margin-top: 0;
    font-size: 15px;
  }

  .mobile-sticky p {
    margin: 0;
    grid-column: 1 / -1;
    text-align: center;
    font-size: 12px;
    color: #6b7280;
  }
}