:root {
  color-scheme: light;
  --bg: #f7f4ec;
  --panel: #fffdf7;
  --ink: #1f2a28;
  --muted: #68736f;
  --line: #ded8cc;
  --accent: #176b5b;
  --accent-2: #bd5b32;
  --danger: #a83232;
  --shadow: 0 12px 32px rgba(31, 42, 40, 0.08);
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

button, input, select {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 10px 12px;
  min-height: 42px;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.secondary {
  background: #fff9ef;
  border-color: #d1a96a;
}

button.danger, .danger {
  color: var(--danger);
}

input, select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  background: #fff;
  color: var(--ink);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: max(12px, env(safe-area-inset-top)) 18px 12px;
  background: rgba(247, 244, 236, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.top-preview {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 1380px;
  padding: 10px 18px 0;
}

.preview-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px 8px 0 0;
}

.preview-title span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.preview-title strong {
  font-size: 22px;
  overflow-wrap: anywhere;
  text-align: right;
}

.preview-table {
  background: var(--line);
}

.preview-tr,
.preview-row {
  display: grid;
  gap: 1px;
}

.preview-tr {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.preview-totals {
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.preview-totals .preview-tr > div {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 9px 10px;
  background: #fff;
}

.preview-totals span,
.preview-row span {
  color: var(--muted);
  font-size: 11px;
}

.preview-totals strong,
.preview-row strong {
  font-size: 14px;
  overflow-wrap: anywhere;
}

.preview-detail-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-top: 0;
  background: #fffdf7;
  font-size: 12px;
}

.preview-detail-head span {
  font-weight: 700;
}

.preview-detail-head small {
  color: var(--muted);
  text-align: right;
  overflow-wrap: anywhere;
}

.preview-rows {
  display: grid;
  gap: 1px;
  max-height: none;
  overflow-y: visible;
  overflow-x: hidden;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 8px 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.preview-row {
  grid-template-columns: minmax(112px, 1.4fr) repeat(8, minmax(58px, 1fr));
  min-width: 0;
  background: var(--line);
}

.top-preview.has-subsidies .preview-row:not(.preview-fee-row) {
  grid-template-columns: minmax(112px, 1.4fr) repeat(9, minmax(58px, 1fr));
}

.preview-header {
  border: 1px solid var(--line);
  border-top: 0;
  background: #f2eee4;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.preview-header > div {
  padding: 7px 8px;
  background: #f2eee4;
}

.preview-fee-row {
  grid-template-columns: minmax(150px, 2fr) minmax(90px, 1fr) minmax(90px, 1fr);
}

.preview-row > div {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 8px 9px;
  background: #fff;
}

.preview-product strong {
  font-size: 13px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--accent-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 22px;
}

h2 { font-size: 18px; margin-bottom: 0; }
h3 { font-size: 15px; margin-bottom: 0; }

.header-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 1.25fr);
  gap: 18px;
  padding: 18px;
  max-width: 1380px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.controls-panel {
  align-self: start;
}

.panel-title, .section-head, .card-top, .template-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.panel-title select {
  max-width: 220px;
}

.template-actions {
  justify-content: flex-start;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 10px;
}

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

.stack {
  display: grid;
  gap: 10px;
  margin: 12px 0 18px;
}

.stack.compact {
  gap: 8px;
}

.item-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.product-name {
  max-width: calc(100% - 72px);
}

.remove-btn {
  min-height: 36px;
  padding: 7px 9px;
  color: var(--danger);
}

.adjustment-grid {
  grid-template-columns: minmax(120px, 1.3fr) minmax(86px, 0.8fr) minmax(82px, 0.7fr) minmax(120px, 1fr) auto;
  align-items: end;
}

.formula-box {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.formula-box summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 700;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 14px;
}

.tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.tab-view {
  display: none;
}

.tab-view.active {
  display: block;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.kpi {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 12px;
}

.kpi span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.kpi strong {
  display: block;
  margin-top: 3px;
  font-size: 20px;
  overflow-wrap: anywhere;
}

.kpi.highlight {
  background: #e9f3ef;
  border-color: #93c3b4;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.detail-head {
  margin-top: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}

th:first-child, td:first-child,
th:nth-child(2), td:nth-child(2) {
  text-align: left;
}

.quote-doc {
  background: #fff;
  color: #111;
  min-height: 860px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow-x: auto;
}

.quote-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.inline-toggle {
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  color: var(--ink);
  font-size: 13px;
}

.inline-toggle input {
  width: 18px;
  min-height: 18px;
}

#pdfHint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  flex: 1 1 220px;
}

.quote-doc h2 {
  text-align: center;
  font-size: 26px;
  margin: 6px 0 22px;
}

.quote-no-line {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  margin-bottom: 14px;
  font-size: 13px;
}

.quote-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  margin-bottom: 24px;
}

.quote-client {
  margin-bottom: 12px;
  font-size: 17px;
  border-bottom: 1px solid #111;
  display: inline-block;
  min-width: 220px;
  padding-bottom: 4px;
}

.quote-issuer {
  max-width: 260px;
  text-align: left;
}

.quote-grand-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 18px 0 22px;
  padding: 12px 14px;
  border-top: 2px solid #111;
  border-bottom: 2px solid #111;
}

.quote-grand-total span {
  font-weight: 700;
}

.quote-grand-total strong {
  font-size: 24px;
}

.quote-doc table {
  min-width: 0;
  font-size: 13px;
}

.quote-terms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 14px 0;
  font-size: 13px;
}

.quote-terms p {
  margin: 0;
}

.quote-total {
  margin-left: auto;
  width: min(340px, 100%);
}

.master-row, .master-product-row, .master-adjustment-row {
  display: grid;
  gap: 10px;
  align-items: end;
}

.master-row {
  grid-template-columns: minmax(110px, 1fr) minmax(140px, 2fr) auto;
}

.master-product-row {
  grid-template-columns: minmax(100px, 1fr) minmax(140px, 1.6fr) minmax(90px, 0.8fr) minmax(90px, 0.8fr) auto;
}

.master-adjustment-row {
  grid-template-columns: minmax(100px, 1.2fr) minmax(78px, 0.7fr) minmax(86px, 0.8fr) minmax(80px, 0.7fr) minmax(120px, 1fr) auto;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .app-header {
    align-items: flex-start;
    flex-direction: column;
    position: static;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions button {
    flex: 1;
  }

  .top-preview {
    padding: 8px 12px 0;
  }

  .preview-tr {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .preview-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .preview-product {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .app-header {
    padding-left: 12px;
    padding-right: 12px;
  }

  h1 { font-size: 20px; }

  .panel {
    padding: 12px;
  }

  .app-shell {
    gap: 12px;
  }

  .grid.two, .adjustment-grid, .master-row, .master-product-row, .master-adjustment-row {
    grid-template-columns: 1fr;
  }

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

  .panel-title select, .product-name {
    max-width: none;
  }

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

  .preview-title {
    padding: 9px 10px;
  }

  .preview-title strong {
    font-size: 20px;
  }

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

  .preview-totals .preview-tr > div,
  .preview-row > div {
    padding: 7px 8px;
  }

  .preview-totals span,
  .preview-row span {
    font-size: 10px;
  }

  .preview-totals strong,
  .preview-row strong {
    font-size: 12px;
  }

  .preview-detail-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
    padding: 7px 8px;
  }

  .preview-detail-head small {
    text-align: left;
  }

  .preview-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 8px;
  }

  .preview-fee-row {
    grid-template-columns: 1fr;
  }

  .preview-header {
    display: none;
  }

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

  #summaryTab table {
    min-width: 0;
  }

  #summaryTab thead {
    display: none;
  }

  #summaryTab table,
  #summaryTab tbody,
  #summaryTab tr,
  #summaryTab td {
    display: block;
    width: 100%;
  }

  #summaryTab tr {
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
  }

  #summaryTab td {
    display: grid;
    grid-template-columns: minmax(78px, 0.8fr) minmax(0, 1.4fr);
    gap: 10px;
    padding: 7px 0;
    border-bottom: 1px solid #eee7da;
    text-align: right;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  #summaryTab td:first-child,
  #summaryTab td:nth-child(2) {
    text-align: right;
  }

  #summaryTab td:last-child {
    border-bottom: 0;
  }

  #summaryTab td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    text-align: left;
  }

  .quote-doc {
    padding: 18px 14px;
    min-height: 720px;
  }

  .quote-meta {
    grid-template-columns: 1fr;
  }

  .quote-no-line,
  .quote-grand-total {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .quote-terms {
    grid-template-columns: 1fr;
  }
}

@media print {
  body {
    background: #fff;
  }

  .app-header, .top-preview, .controls-panel, .tabs, #summaryTab, #mastersTab, .quote-toolbar {
    display: none !important;
  }

  .app-shell, .result-panel {
    display: block;
    padding: 0;
    margin: 0;
    max-width: none;
  }

  .panel, .quote-doc {
    border: 0;
    box-shadow: none;
    border-radius: 0;
  }

  #quoteTab, #quoteTab.active {
    display: block;
  }

  .quote-doc {
    width: 210mm;
    min-height: 297mm;
    padding: 14mm;
  }

  @page {
    size: A4;
    margin: 0;
  }
}