.wide-form {
  width: min(1180px, 100%);
  max-width: 1180px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  align-items: start;
}

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

.form-grid .wide,
.settings-card {
  grid-column: 1 / -1;
}

.settings-page {
  display: grid;
  gap: 18px;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(280px, .9fr));
  gap: 18px;
  align-items: start;
}

.preview-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.preview-row img,
.settings-preview,
.signature-preview {
  max-width: 180px;
  max-height: 110px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 8px;
}

.signature-preview {
  width: 220px;
  max-width: 100%;
  background: #f8fafc;
}

.toggle-row {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
}

.toggle-row input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--primary);
  box-shadow: none;
}

.field-hint {
  color: var(--muted);
  font-weight: 600;
}

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

.product-form {
  margin-inline: auto;
}

label {
  display: grid;
  gap: 8px;
  color: #374151;
  font-size: 13px;
  font-weight: 750;
  min-width: 0;
  line-height: 1.35;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 0;
  align-self: end;
  border-radius: var(--radius-sm);
}

.checkbox-line input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--primary);
  box-shadow: none;
}

.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.line-items {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f9fafb;
  min-width: 0;
}

.line-items-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.line-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) minmax(220px, 1.6fr) minmax(95px, .65fr) minmax(86px, .55fr) minmax(100px, .65fr) minmax(90px, .55fr) minmax(110px, .7fr) 42px;
  gap: 10px;
  align-items: center;
  min-width: 980px;
}

.order-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) minmax(220px, 1.6fr) minmax(100px, .6fr) minmax(120px, .7fr) 42px;
  gap: 10px;
  align-items: center;
  min-width: 720px;
  padding: 10px;
  border: 1px solid #eef2f7;
  border-radius: var(--radius-sm);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.line-row.header,
.cost-row.header {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.line-row:not(.header),
.cost-row:not(.header) {
  padding: 10px;
  border: 1px solid #eef2f7;
  border-radius: var(--radius-sm);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.line-row [data-line-total] {
  font-weight: 800;
  background: #f8fafc;
}

.totals-panel {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  background: var(--primary-soft);
  min-width: 0;
}

.totals-panel span,
.totals-panel strong {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 13px;
}

.totals-panel strong,
.totals-panel strong[data-grand] {
  color: var(--text);
  font-weight: 850;
}

.cost-variables {
  display: grid;
  gap: 10px;
}

.cost-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.4fr) minmax(140px, 150px) minmax(140px, .8fr) 42px;
  gap: 10px;
  align-items: center;
}

.version-list {
  display: grid;
  gap: 2px;
  margin-top: 16px;
}

.cost-summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
}

.cost-summary span {
  color: var(--muted);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 18px;
  padding: 24px 0;
}

.detail-grid.compact {
  padding: 0;
}

@media (max-width: 980px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .line-items {
    overflow-x: auto;
    padding: 14px;
  }

  .line-row {
    min-width: 920px;
  }

  .order-row {
    min-width: 720px;
  }

  .cost-row {
    grid-template-columns: minmax(0, 1fr) 140px minmax(110px, .55fr) 42px;
  }
}

@media (max-width: 768px) {
  .form-grid,
  .form-grid.two {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-card {
    gap: 14px;
    width: 100%;
  }

  .checkbox-line {
    align-self: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    background: #ffffff;
  }

  .cost-row {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .order-row {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .cost-row.header {
    display: none;
  }

  .totals-panel {
    justify-content: stretch;
  }

  .totals-panel span,
  .totals-panel strong {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--radius-sm);
  }

  .cost-summary {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  input,
  textarea,
  select {
    min-height: 46px;
    font-size: 16px;
  }

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

  .line-items-head .btn {
    width: 100%;
  }
}

/* ── Dark mode overrides ── */
[data-theme="dark"] .preview-row img,
[data-theme="dark"] .settings-preview,
[data-theme="dark"] .signature-preview {
  background: var(--surface);
}
[data-theme="dark"] .line-items {
  background: var(--surface);
}
[data-theme="dark"] .line-row:not(.header),
[data-theme="dark"] .cost-row:not(.header) {
  background: var(--surface);
  border-color: var(--line);
}
[data-theme="dark"] .order-row {
  background: var(--surface);
  border-color: var(--line);
}
[data-theme="dark"] .line-row [data-line-total] {
  background: var(--surface-soft);
}
[data-theme="dark"] .totals-panel {
  border-color: var(--primary-soft);
}
[data-theme="dark"] .totals-panel span,
[data-theme="dark"] .totals-panel strong {
  background: var(--surface);
}
[data-theme="dark"] .cost-summary {
  border-color: var(--primary-soft);
}
@media (max-width: 768px) {
  [data-theme="dark"] .checkbox-line {
    background: var(--surface);
  }
}
[data-theme="dark"] label {
  color: var(--text);
}