:root {
  --paper: #fbf8f2;
  --paper-strong: #fffaf2;
  --paper-soft: #f5ead6;
  --ink: #2f271c;
  --muted: #6d5b42;
  --line: #d9c39b;
  --line-strong: #b99051;
  --accent: #8a6731;
  --accent-strong: #6c4b17;
  --deep: #183c35;
  --danger: #8c342f;
  --shadow: rgba(100, 75, 36, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(120deg, rgba(24, 60, 53, 0.08), transparent 32%, rgba(139, 92, 42, 0.1)),
    linear-gradient(180deg, #fffdf8 0%, #f4e7d1 100%);
  color: var(--ink);
  font-family: 'IBM Plex Mono', monospace;
}

h1,
h2,
h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid #dbc7a5;
  border-radius: 0.35rem;
  background: #fffdf9;
  color: var(--ink);
  padding: 0.42rem 0.5rem;
  font-size: 0.76rem;
  line-height: 1.25;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 1px rgba(185, 144, 81, 0.22), 0 0 12px rgba(185, 144, 81, 0.12);
}

label {
  display: block;
  color: #4a3620;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.45;
  text-transform: uppercase;
}

label > input,
label > select,
label > textarea {
  margin-top: 0.28rem;
  text-transform: none;
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.14em;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-hanzu {
  color: #2f271c;
}

.brand-tech,
.neon-yellow {
  color: var(--accent);
}

.faulty-neon,
.neon-red {
  color: var(--accent-strong);
}

.top-bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid rgba(185, 144, 81, 0.32);
  background: rgba(255, 250, 242, 0.92);
  backdrop-filter: blur(12px);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.top-nav a {
  text-decoration: none;
}

.mobile-nav-toggle {
  display: none;
  width: 2.7rem;
  height: 2.7rem;
  border: 1px solid rgba(185, 144, 81, 0.46);
  background: #fffaf2;
  color: var(--accent);
  align-items: center;
  justify-content: center;
}

.mobile-nav-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
}

.page {
  padding: 6rem 1rem 3rem;
}

.shell {
  width: min(100%, 1500px);
  margin: 0 auto;
}

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

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.section-title-row h2 {
  margin-bottom: 0;
}

.form-stack > * + * {
  margin-top: 0.55rem;
}

.page-header,
.panel {
  border: 1px solid #dbc8a6;
  background:
    linear-gradient(180deg, rgba(255, 250, 242, 0.95), rgba(250, 242, 228, 0.95)),
    linear-gradient(120deg, rgba(24, 60, 53, 0.06), transparent 44%, rgba(154, 120, 67, 0.08));
  box-shadow: 0 14px 30px var(--shadow);
}

.page-header {
  padding: 1.35rem 1.5rem;
}

.session-pill {
  border: 1px solid #d7c19b;
  background: rgba(255, 253, 249, 0.78);
  padding: 0.55rem 0.7rem;
  font-size: 0.72rem;
}

.workspace {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.controls-pane {
  width: 440px;
  flex: 0 0 440px;
  max-height: calc(100vh - 7rem);
  overflow: auto;
  padding: 0.75rem;
}

.preview-pane {
  flex: 1 1 auto;
  min-width: 0;
  max-height: calc(100vh - 7rem);
  overflow: auto;
  padding: 1rem;
  position: sticky;
  top: 6rem;
}

.input-block {
  margin-top: 0.65rem;
  padding: 0.65rem;
  border: 1px solid #cfb990;
  background: linear-gradient(180deg, rgba(243, 230, 206, 0.94), rgba(238, 223, 194, 0.94));
  box-shadow: inset 0 0 0 1px rgba(255, 248, 233, 0.55);
}

.input-block h2 {
  margin: 0 0 0.55rem;
  color: #3a2b17;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.controller-card,
.preview-toolbar {
  margin-top: 0.75rem;
  border: 1px solid #cfb990;
  background: rgba(255, 253, 249, 0.7);
  padding: 0.65rem;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 1rem;
}

.controller-helper {
  min-height: 2.2rem;
  margin: 0.55rem 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem;
  border: 1px solid #d8c19a;
  background: #f2e3c8;
  padding: 0.25rem;
}

.segmented-control button {
  min-height: 2rem;
  border: 1px solid transparent;
  background: transparent;
  color: #6d5b42;
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.segmented-control button.is-active {
  border-color: #b99051;
  background: #fffdf8;
  color: #183c35;
  box-shadow: 0 5px 12px rgba(100, 75, 36, 0.1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.05rem;
  border: 1px solid #dfcaa4;
  border-radius: 0.25rem;
  background: linear-gradient(140deg, #fffdf8, #f7ecd9);
  color: #4b3b27;
  cursor: pointer;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.1;
  padding: 0.42rem 0.62rem;
  text-transform: uppercase;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: 0 8px 16px var(--shadow);
  background: linear-gradient(140deg, #fffcf4, #f3e2c4);
}

.button.secondary {
  background: #fffaf2;
  color: var(--accent);
}

.mini-link {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0;
  text-transform: uppercase;
}

.upload-compact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  width: 100%;
  border: 1px dashed #d8c19a;
  background: #fffaf1;
  color: #75654e;
  cursor: pointer;
  padding: 0.4rem 0.55rem;
  text-align: center;
}

.clear-upload-btn {
  border: 1px solid #dbc7a5;
  border-radius: 0.28rem;
  background: #fffdf9;
  color: #6f5a3d;
  cursor: pointer;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  line-height: 1;
  padding: 0.55rem 0.58rem;
  text-transform: uppercase;
}

.grid-two,
.grid-three,
.grid-four,
.action-grid,
.summary-grid,
.doc-two,
.doc-three {
  display: grid;
  gap: 0.55rem;
}

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

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

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

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

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

.kpi {
  border: 1px solid rgba(185, 144, 81, 0.35);
  background: rgba(255, 253, 249, 0.75);
  padding: 0.55rem;
}

.kpi span {
  display: block;
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kpi strong {
  display: block;
  margin-top: 0.18rem;
  color: var(--deep);
  font-size: 0.9rem;
}

.row-card {
  border: 1px solid #d8c19a;
  background: rgba(255, 250, 242, 0.78);
  padding: 0.55rem;
}

.row-card + .row-card {
  margin-top: 0.45rem;
}

.custom-factory-container {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.45rem;
}

.custom-factory-row {
  border-style: dashed;
}

.custom-value-toggle {
  min-height: 2.3rem;
  align-items: center;
  margin-top: 1.35rem;
}

.empty-hint {
  margin: 0;
  color: #806f55;
  font-size: 0.72rem;
  font-style: italic;
}

.custom-preview-list {
  margin-top: 6px;
}

.row-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.5rem;
}

.row-card-head strong {
  color: var(--deep);
  font-size: 0.72rem;
  line-height: 1.25;
}

.inline-row-button {
  margin-top: 1.42rem;
  width: 100%;
}

.section-toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 0.65rem;
}

.section-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: #5e503c;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.section-toggle input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--accent);
}

.document-stack {
  display: grid;
  gap: 1rem;
}

.document-preview-fit {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.document-sheet {
  width: 210mm;
  min-height: 297mm;
  margin: 0 auto;
  padding: 14mm;
  background: var(--paper);
  color: #1d1b19;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.14);
  font-family: 'IBM Plex Sans', sans-serif;
}

.document-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(206, 180, 136, 0.52);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.75), rgba(255, 252, 246, 0.66));
  padding: 10px 12px;
}

.document-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid #d6c09a;
  background: #fffdf8;
  overflow: hidden;
}

.document-logo-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.document-branding {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}

.doc-label {
  color: #7a684e;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.doc-title {
  margin: 2px 0 0;
  color: #342717;
  font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
  font-size: 22px;
  line-height: 1.05;
}

.doc-subtitle {
  margin: 5px 0 0;
  color: #7a684e;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-section {
  margin-top: 12px;
  border: 1px solid #ddceb3;
  background: rgba(255, 255, 255, 0.45);
  padding: 10px;
}

.doc-section h3 {
  margin: 0 0 8px;
  color: #3b2b18;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.doc-field {
  color: #322719;
  font-size: 11px;
  line-height: 1.45;
}

.doc-field strong {
  display: block;
  color: #7a684e;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quote-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 12px;
  align-items: stretch;
}

.reference-frame {
  min-height: 210px;
  border: 1px solid #d8c19a;
  background: #fffdf8;
  overflow: hidden;
}

.reference-frame img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

.price-box {
  border: 1px solid #b89051;
  background: #fff8e8;
  padding: 12px;
  text-align: right;
}

.price-box span {
  display: block;
  color: #705a39;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.price-box strong {
  display: block;
  color: var(--deep);
  font-size: 28px;
  line-height: 1.1;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 9.5px;
}

.doc-table th {
  border-bottom: 1px solid #cab58d;
  color: #6f5a3d;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 7.8px;
  letter-spacing: 0.08em;
  padding: 5px;
  text-align: left;
  text-transform: uppercase;
}

.doc-table td {
  border-bottom: 1px solid #eadbc0;
  padding: 5px;
  vertical-align: top;
}

.doc-table .numeric,
.numeric {
  text-align: right;
}

.muted-cell {
  color: #89795f;
  font-style: italic;
}

.factory-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.factory-summary .doc-field {
  border: 1px solid #e3d2b7;
  background: rgba(255, 253, 249, 0.7);
  padding: 7px;
}

.check-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.check-pill {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  border: 1px solid #d5c19d;
  background: #fffdf8;
  color: #5f4d34;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  padding: 4px 5px;
}

.check-pill small {
  display: block;
  width: 100%;
  margin-top: 2px;
  color: #806f55;
  font-size: 7px;
}

.check-pill.checked {
  border-color: rgba(24, 60, 53, 0.45);
  background: rgba(24, 60, 53, 0.08);
  color: var(--deep);
}

.signature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.signature-line {
  border-top: 1px solid #bda678;
  color: #7a684e;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  padding-top: 5px;
  text-transform: uppercase;
}

.document-footer {
  margin-top: 14px;
  border-top: 1px solid #d9c39b;
  color: #8a7a61;
  font-size: 8px;
  padding-top: 8px;
  text-align: center;
}

.is-hidden,
.hidden {
  display: none !important;
}

.text-muted {
  color: var(--muted);
}

@media (max-width: 1100px) {
  .workspace {
    flex-direction: column;
  }

  .controls-pane,
  .preview-pane {
    width: 100%;
    flex-basis: auto;
    max-height: none;
    position: static;
  }
}

@media (max-width: 900px) {
  .top-bar {
    display: grid;
    grid-template-columns: 1fr auto;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .top-bar.mobile-js .top-nav {
    display: none;
  }

  .top-bar.mobile-js.is-open .top-nav {
    display: flex;
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
  }

  .grid-four,
  .grid-three,
  .summary-grid,
  .doc-three,
  .doc-two,
  .quote-layout,
  .factory-summary {
    grid-template-columns: 1fr;
  }

  .grid-two,
  .action-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .document-sheet {
    width: 760px;
    min-height: auto;
  }
}

@media print {
  .no-print,
  .top-bar {
    display: none !important;
  }

  .page {
    padding: 0;
  }

  .document-sheet {
    box-shadow: none;
    margin: 0;
  }
}