:root {
  color-scheme: light;
  --blue: #0066ff;
  --white: #faf7f0;
  --bg: #f7f2ea;
  --surface: #fffaf2;
  --surface-soft: #ffffff;
  --surface-strong: #eef4ff;
  --text: #0e57de;
  --muted: rgba(14, 87, 222, 0.72);
  --line: rgba(0, 102, 255, 0.14);
  --button: #0066ff;
  --button-text: #faf7f0;
  --accent: #0066ff;
  --shadow: 0 28px 70px rgba(0, 102, 255, 0.08);
  --radius: 0;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Poppins", "Segoe UI", Arial, sans-serif;
  font-size: 1.02rem;
  font-weight: 400;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(0, 102, 255, 0.03), rgba(0, 102, 255, 0)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0)),
    var(--bg);
}

body[data-modal-open="true"] {
  overflow: hidden;
}

button,
input,
select,
a,
textarea {
  font: inherit;
}

a {
  font: inherit;
}

button {
  border: 0;
}

.page {
  width: min(1380px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  display: grid;
  gap: 1.25rem;
  position: relative;
}

.panel,
.viewer-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.4rem;
}

.panel__mobile-header,
.viewer-shell__mobile-trigger {
  display: none;
}

.page__backdrop {
  display: none;
}

.panel__mobile-header {
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel__mobile-eyebrow {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel__close-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.form {
  display: grid;
  gap: 1rem;
}

.accordion-step {
  border: 1px solid var(--line);
  border-radius: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.74));
  overflow: hidden;
}

.accordion-step__header {
  width: 100%;
  display: grid;
  gap: 0.2rem;
  padding: 1.15rem 1.2rem;
  text-align: left;
  background: transparent;
  cursor: pointer;
}

.accordion-step__meta {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.accordion-step__title {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.05;
  color: var(--blue);
}

.accordion-step__hint {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--muted, #6b7280);
  letter-spacing: 0;
  display: none;
}

.accordion-step[data-expanded="true"] .accordion-step__hint {
  display: block;
}

.accordion-step__description {
  max-width: 34rem;
  font-size: 0.94rem;
  line-height: 1.45;
  color: var(--muted);
}

.accordion-step__count {
  justify-self: start;
  margin-top: 0.35rem;
  padding: 0.22rem 0.45rem;
  border: 1px solid var(--line);
  background: rgba(0, 102, 255, 0.08);
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.1;
}

.accordion-step[data-expanded="true"] .accordion-step__header {
  border-bottom: 1px solid var(--line);
}

.accordion-step__panel {
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
}

.subgroup {
  display: grid;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(0, 102, 255, 0.12);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.82);
}

.subgroup__title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.quote-builder {
  display: grid;
  gap: 0.9rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.8));
}

.quote-builder__header {
  display: grid;
  gap: 0.25rem;
}

.control-group__eyebrow {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.quote-builder h3 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--blue);
}

.field-grid {
  display: grid;
  gap: 1rem;
}

.field-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field-hint {
  font-size: 0.82rem;
  color: var(--muted, #6b7280);
  margin: 0;
}

.field-hint--full {
  grid-column: 1 / -1;
}

.field-notice {
  padding: 0.75rem 1rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 0;
}

.field-notice p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text, #1a1a2e);
}

.field--checkbox {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.field--checkbox input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  padding: 0;
  appearance: checkbox;
  accent-color: var(--accent, #06f);
  cursor: pointer;
}

.choice-selector {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.choice-card {
  display: grid;
  gap: 0.7rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.94);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.choice-card:hover {
  transform: translateY(-1px);
}

.choice-card[data-selected="true"] {
  border-color: rgba(0, 102, 255, 0.46);
  background: rgba(0, 102, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(0, 102, 255, 0.14);
}

.choice-card__image {
  width: 100%;
  aspect-ratio: 1.55 / 1;
  object-fit: cover;
  object-position: center bottom;
  border: 1px solid var(--line);
  display: block;
  background: #fff;
}

.choice-card__title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--blue);
}

.choice-card__description {
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--muted);
}

.settings-panel {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid rgba(0, 102, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(238, 244, 255, 0.5));
}

.field span {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--blue);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.98);
  color: var(--text);
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 6.5rem;
}

.material-selector {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.material-card {
  display: grid;
  gap: 0.75rem;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.94);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.material-card:hover {
  transform: translateY(-1px);
}

.material-card[data-selected="true"] {
  border-color: rgba(0, 102, 255, 0.46);
  background: rgba(0, 102, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(0, 102, 255, 0.14);
}

.material-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  display: block;
}

.material-card__title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--blue);
}

.field--full {
  grid-column: 1 / -1;
}

#corner-radius-field[data-disabled="true"] {
  opacity: 0.48;
}

.field-group {
  display: grid;
  gap: 1rem;
}

.field-group[data-disabled="true"] {
  opacity: 0.48;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(0, 102, 255, 0.12);
  border-color: rgba(0, 102, 255, 0.34);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.actions--review {
  margin-top: 0.2rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  padding: 0.95rem 1.3rem;
  background: var(--button);
  color: var(--button-text);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  padding: 0.95rem 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.button-secondary {
  background: var(--surface-strong);
  color: var(--blue);
  border: 1px solid var(--line);
}

.button-ghost {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--line);
}

.button-link:hover,
.button-secondary:hover,
.button-ghost:hover {
  transform: translateY(-1px);
}

.button-link[aria-disabled="true"],
.button-link:disabled,
.button-ghost[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.34;
}

.quote-empty {
  padding: 1rem 1.05rem;
  border: 1px dashed var(--line);
  border-radius: 0;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.82);
}

.quote-list {
  display: grid;
  gap: 0.75rem;
  max-height: 13rem;
  overflow: auto;
  padding-right: 0.15rem;
}

.quote-builder .actions--review {
  position: sticky;
  bottom: 0;
  z-index: 1;
  padding-top: 0.85rem;
  background: linear-gradient(180deg, rgba(255, 250, 242, 0), rgba(255, 250, 242, 0.98) 24%);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 102, 255, 0.12);
  backdrop-filter: blur(6px);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: min(1240px, 100%);
  max-height: min(82vh, 900px);
  display: grid;
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.94));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.modal__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.modal__title {
  margin: 0.2rem 0 0;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--blue);
}

.modal__body {
  min-height: 0;
  display: grid;
  gap: 1rem;
}

.overview-table-wrap {
  min-height: 0;
  overflow: auto;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
}

.overview-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.overview-table th,
.overview-table td {
  padding: 0.85rem 0.95rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.overview-table th {
  position: sticky;
  top: 0;
  background: #f4f8ff;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overview-table td {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text);
}

.overview-table th:nth-child(1),
.overview-table td:nth-child(1) {
  width: 14%;
}

.overview-table th:nth-child(2),
.overview-table td:nth-child(2) {
  width: 8%;
}

.overview-table th:nth-child(3),
.overview-table td:nth-child(3) {
  width: 15%;
}

.overview-table th:nth-child(4),
.overview-table td:nth-child(4) {
  width: 12%;
}

.overview-table th:nth-child(5),
.overview-table td:nth-child(5),
.overview-table th:nth-child(6),
.overview-table td:nth-child(6) {
  width: 11%;
}

.overview-table th:nth-child(7),
.overview-table td:nth-child(7),
.overview-table th:nth-child(8),
.overview-table td:nth-child(8) {
  width: 9%;
}

.overview-table th:nth-child(9),
.overview-table td:nth-child(9),
.overview-table th:nth-child(10),
.overview-table td:nth-child(10) {
  width: 6%;
}

.overview-group {
  display: grid;
  gap: 0.55rem;
}

.overview-group--holes {
  min-width: 16rem;
}

.overview-stack {
  display: grid;
  gap: 0.22rem;
}

.overview-stack__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.overview-stack__controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.overview-input,
.overview-select {
  width: 100%;
  min-height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.5rem 0.65rem;
  background: rgba(255, 255, 255, 0.98);
  color: var(--text);
}

.overview-input:focus,
.overview-select:focus {
  outline: 2px solid rgba(0, 102, 255, 0.12);
  border-color: rgba(0, 102, 255, 0.34);
}

.overview-input--number {
  min-width: 0;
}

.overview-total {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.58rem 0.7rem;
  border: 1px solid var(--line);
  background: rgba(0, 102, 255, 0.08);
  font-weight: 700;
  white-space: nowrap;
}

.overview-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  color: var(--blue);
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}

.overview-icon-button:hover {
  transform: translateY(-1px);
  background: rgba(0, 102, 255, 0.08);
}

.overview-icon-button svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: currentColor;
}

.overview-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  background: rgba(0, 102, 255, 0.08);
  color: var(--blue);
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}

.overview-action-button:hover {
  transform: translateY(-1px);
  background: rgba(0, 102, 255, 0.14);
}

.overview-action-button--delete {
  background: rgba(220, 38, 38, 0.08);
  color: #dc2626;
  border-color: rgba(220, 38, 38, 0.2);
}

.overview-action-button--delete:hover {
  background: rgba(220, 38, 38, 0.14);
}

.quote-item {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.9);
}

.quote-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.quote-item__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 800;
}

.quote-item__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--blue);
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}

.quote-item__remove:hover {
  transform: translateY(-1px);
  background: rgba(0, 102, 255, 0.08);
}

.quote-item__meta {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.92rem;
}


.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.metrics div {
  border: 1px solid var(--line);
  border-radius: 0;
  background: linear-gradient(180deg, var(--surface-soft), rgba(238, 244, 255, 0.88));
  padding: 0.95rem 1rem;
}

.metrics--summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.6rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  padding: 0.5rem 0.65rem;
}

.metrics__summary-line {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--blue);
  background: rgba(0, 102, 255, 0.12);
  padding: 0.08rem 0.14rem;
}

.metrics dt,
.metrics dd {
  margin: 0;
}

.status {
  min-height: 1.5rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.status[data-state="error"] {
  color: #cc2a2a;
}

.status[data-state="success"] {
  color: var(--blue);
}

.note-strip {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.45rem;
}

.note-strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.viewer-shell {
  min-height: 760px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0)),
    var(--surface);
}

.viewer-shell__mobile-trigger {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  z-index: 3;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid rgba(21, 19, 15, 0.14);
  border-radius: 0;
  padding: 0.85rem 1.15rem;
  background: rgba(255, 255, 255, 0.96);
  color: var(--blue);
  font-weight: 800;
  letter-spacing: -0.01em;
  box-shadow: 0 16px 40px rgba(0, 102, 255, 0.12);
  cursor: pointer;
  backdrop-filter: blur(12px);
}

.viewer-shell__overview-button {
  position: absolute;
  top: 1.1rem;
  left: 1.1rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid rgba(21, 19, 15, 0.14);
  border-radius: 0;
  padding: 0.85rem 1.15rem;
  background: rgba(255, 255, 255, 0.96);
  color: var(--blue);
  font-weight: 800;
  letter-spacing: -0.01em;
  box-shadow: 0 16px 40px rgba(0, 102, 255, 0.12);
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, opacity 180ms ease, background-color 180ms ease;
}

.viewer-shell__overview-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 1);
}

.viewer {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.72), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 247, 255, 0.98));
  touch-action: none;
}

.viewer__empty {
  padding: 0.85rem 0.2rem 0;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  pointer-events: none;
}

.viewer__ar-button {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: rgba(0, 102, 255, 0.96);
  color: var(--button-text);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(0, 102, 255, 0.2);
  transition: transform 180ms ease, background-color 180ms ease, opacity 180ms ease;
}

.viewer__ar-button:hover {
  transform: translateY(-1px);
  background: #0052cc;
}

.viewer__ar-button:focus-visible {
  outline: 2px solid rgba(0, 102, 255, 0.18);
  outline-offset: 3px;
}

.viewer::part(default-progress-bar) {
  display: none;
}

.viewer::part(default-ar-button) {
  display: none;
}

.viewer::part(default-interaction-prompt) {
  display: none;
}

.viewer::part(default-poster) {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.72), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 247, 255, 0.98));
}

model-viewer.viewer[data-loaded="true"] {
  cursor: grab;
}

model-viewer.viewer[data-loaded="true"]:active {
  cursor: grabbing;
}

@media (min-width: 980px) {
  .page {
    grid-template-columns: minmax(390px, 470px) minmax(0, 1fr);
    align-items: start;
    min-height: calc(100vh - 2rem);
  }

  .panel {
    height: calc(100vh - 2rem);
    position: sticky;
    top: 1rem;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .viewer-shell {
    min-height: calc(100vh - 2rem);
  }
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 1rem, 100%);
    padding: 0.5rem 0 1rem;
    min-height: 100vh;
  }

  .viewer-shell {
    padding: 1rem;
    border-radius: 0;
  }

  .panel {
    position: fixed;
    top: 0.5rem;
    right: 0.5rem;
    bottom: 0.5rem;
    left: auto;
    width: min(82vw, 24rem);
    max-width: calc(100vw - 4.5rem);
    z-index: 20;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border-radius: 0;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(calc(100% + 1rem));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 220ms ease, opacity 180ms ease, visibility 0ms linear 220ms;
  }

  .page[data-mobile-drawer-open="true"] .panel {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 220ms ease, opacity 180ms ease;
  }

  .panel__mobile-header,
  .viewer-shell__mobile-trigger {
    display: flex;
  }

  .panel__mobile-header {
    position: sticky;
    top: 0;
    z-index: 1;
    padding-bottom: 0.75rem;
    background: var(--surface);
  }

  .viewer-shell__mobile-trigger {
    top: 1rem;
    right: 1rem;
  }

  .viewer-shell__overview-button {
    top: 1rem;
    left: 1rem;
    min-height: 44px;
    padding: 0.75rem 1rem;
  }

  .form {
    gap: 0.9rem;
  }

  .metrics,
  .choice-selector,
  .field-grid--two,
  .field-grid--three {
    grid-template-columns: 1fr;
  }

  .material-selector {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .material-card {
    gap: 0.55rem;
    padding: 0.65rem;
  }

  .modal {
    padding: 0.75rem;
  }

  .modal__panel {
    width: 100%;
    max-height: calc(100vh - 1.5rem);
    padding: 1rem;
  }

  .modal__header {
    align-items: stretch;
    flex-direction: column;
  }

  .overview-table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .overview-table {
    table-layout: auto;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.94);
  }

  .overview-table th,
  .overview-table td {
    padding: 0.75rem 0.65rem;
    font-size: 0.9rem;
  }

  .overview-table th {
    font-size: 0.74rem;
    letter-spacing: 0.06em;
  }

  .overview-table th:nth-child(3),
  .overview-table td:nth-child(3),
  .overview-table th:nth-child(4),
  .overview-table td:nth-child(4),
  .overview-table th:nth-child(5),
  .overview-table td:nth-child(5),
  .overview-table th:nth-child(6),
  .overview-table td:nth-child(6),
  .overview-table th:nth-child(7),
  .overview-table td:nth-child(7),
  .overview-table th:nth-child(8),
  .overview-table td:nth-child(8) {
    display: none;
  }

  .overview-table th:nth-child(1),
  .overview-table td:nth-child(1) {
    width: 42%;
  }

  .overview-table th:nth-child(2),
  .overview-table td:nth-child(2) {
    width: 16%;
  }

  .overview-table th:nth-child(9),
  .overview-table td:nth-child(9),
  .overview-table th:nth-child(10),
  .overview-table td:nth-child(10) {
    width: 21%;
    text-align: center;
  }

  .overview-input,
  .overview-select {
    min-height: 2.7rem;
    padding: 0.65rem 0.7rem;
  }

  .overview-action-button,
  .overview-icon-button {
    width: 100%;
    min-height: 2.7rem;
  }

  .material-card__title {
    font-size: 0.88rem;
  }

  .viewer-shell {
    min-height: calc(100vh - 1rem);
  }

  .viewer {
    min-height: calc(100vh - 8.25rem);
  }

  .page__backdrop {
    position: fixed;
    inset: 0;
    z-index: 15;
    border: 0;
    background: linear-gradient(90deg, rgba(0, 102, 255, 0.04), rgba(0, 102, 255, 0.09));
    backdrop-filter: blur(2px);
  }

  .page[data-mobile-drawer-open="true"] .page__backdrop {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .panel,
  .viewer-shell__mobile-trigger {
    transition: none;
  }
}