:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: #d9e2ef;
  --line-strong: #bdc9d9;
  --text: #172033;
  --muted: #64748b;
  --primary: #1d4ed8;
  --primary-dark: #153eaa;
  --primary-soft: #dbeafe;
  --success: #059669;
  --success-soft: #d1fae5;
  --warning: #b45309;
  --warning-soft: #fef3c7;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --teal: #0f766e;
  --slate: #475569;
  --shadow: 0 14px 38px rgba(15, 23, 42, 0.08);
  --radius: 8px;
  --sidebar-width: 278px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Sarabun", Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

svg.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px;
  background: #0f2347;
  color: #e8f0ff;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 56px;
  padding: 8px;
  border-radius: var(--radius);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #0f2347;
  background: #ffffff;
  border-radius: var(--radius);
}

.brand strong {
  display: block;
  font-size: 18px;
  line-height: 1.15;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: #b8c7df;
  font-size: 12px;
}

.nav-menu {
  display: grid;
  gap: 6px;
  margin-top: 24px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 12px;
  color: #d7e4fa;
  border-radius: var(--radius);
}

.nav-item:hover,
.nav-item.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.main-shell {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 76px;
  padding: 14px 28px;
  background: rgba(245, 247, 251, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.topbar h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.mobile-menu {
  display: none;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--slate);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.icon-button:hover {
  color: var(--primary);
  border-color: #9db7e8;
}

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

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  white-space: nowrap;
}

.content {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 56px;
}

.page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.page-heading h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.25;
}

.page-heading p:not(.eyebrow) {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  color: #ffffff;
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  color: var(--text);
  background: var(--surface);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  color: var(--primary);
  border-color: #9db7e8;
}

.btn-ghost {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: transparent;
}

.btn-ghost:hover {
  background: #c7dcff;
}

.btn-danger {
  color: #ffffff;
  background: var(--danger);
  border-color: var(--danger);
}

.alert {
  width: min(1180px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.alert-success {
  color: #065f46;
  background: var(--success-soft);
  border-color: #a7f3d0;
}

.alert-warning {
  color: #92400e;
  background: var(--warning-soft);
  border-color: #fcd34d;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 126px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: var(--radius);
}

.stat-card p,
.stat-card span {
  margin: 0;
  color: var(--muted);
}

.stat-card strong {
  display: block;
  margin: 2px 0;
  font-size: 30px;
  line-height: 1.1;
}

.tone-green {
  border-left-color: var(--success);
}

.tone-green .stat-icon {
  color: var(--success);
  background: var(--success-soft);
}

.tone-amber {
  border-left-color: var(--warning);
}

.tone-amber .stat-icon {
  color: var(--warning);
  background: var(--warning-soft);
}

.tone-teal {
  border-left-color: var(--teal);
}

.tone-teal .stat-icon {
  color: var(--teal);
  background: #ccfbf1;
}

.tone-slate {
  border-left-color: var(--slate);
}

.tone-slate .stat-icon {
  color: var(--slate);
  background: #e2e8f0;
}

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

.panel {
  padding: 18px;
}

.panel + .panel,
.stepper-panel + .panel {
  margin-top: 18px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.panel-header h3,
.form-section h3 {
  margin: 0;
  font-size: 20px;
}

.panel-header p,
.form-section p {
  margin: 4px 0 0;
  color: var(--muted);
}

.filter-bar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px 180px auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}

.filter-bar label,
.form-grid label,
.committee-row label {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.filter-bar span,
.form-grid span,
.committee-row span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.form-grid b {
  color: var(--danger);
}

.search-field {
  position: relative;
}

.search-field .icon {
  position: absolute;
  left: 11px;
  bottom: 11px;
  color: var(--muted);
}

.search-field input {
  padding-left: 40px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

input[readonly],
textarea[readonly] {
  color: #334155;
  background: #eef3f8;
  border-color: #cbd5e1;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.data-table th {
  color: var(--slate);
  background: var(--surface-soft);
  font-size: 14px;
}

.data-table tr:hover td {
  background: #fbfdff;
}

.data-table td span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.right {
  text-align: right !important;
}

.actions-cell {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.actions-cell form,
.detail-actions form {
  margin: 0;
}

.empty-state {
  padding: 28px;
  color: var(--muted);
  text-align: center;
}

.contract-list {
  display: grid;
  gap: 10px;
}

.contract-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.contract-card:hover {
  border-color: #adc4ec;
}

.contract-main {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 12px;
  min-width: 0;
}

.contract-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.contract-title strong {
  color: var(--primary);
}

.contract-main p {
  margin: 4px 0 8px;
  color: var(--muted);
}

.status-dot {
  width: 12px;
  height: 12px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--slate);
}

.status-dot.success {
  background: var(--success);
}

.status-dot.warning {
  background: var(--warning);
}

.status-dot.muted {
  background: var(--slate);
}

.progress-track {
  height: 8px;
  overflow: hidden;
  background: #e8eef7;
  border-radius: 999px;
}

.progress-track span {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: inherit;
}

.contract-actions,
.row-actions,
.detail-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.pill-success {
  color: #065f46;
  background: var(--success-soft);
}

.pill-warning {
  color: #92400e;
  background: var(--warning-soft);
}

.pill-muted {
  color: #334155;
  background: #e2e8f0;
}

.form-panel {
  display: grid;
  gap: 22px;
}

.form-section {
  padding-bottom: 4px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

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

.committee-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.committee-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.stepper-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  margin-bottom: 18px;
}

.stepper-summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

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

.stepper {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 8px;
}

.step {
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 74px;
  padding: 8px 4px;
  color: var(--muted);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.step span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: #e2e8f0;
  font-weight: 700;
}

.step em {
  font-style: normal;
  font-size: 12px;
  line-height: 1.2;
}

.step.done {
  color: #065f46;
  border-color: #a7f3d0;
  background: #ecfdf5;
}

.step.done span {
  color: #ffffff;
  background: var(--success);
}

.step.current {
  color: var(--primary);
  border-color: #93b4ef;
  background: var(--primary-soft);
}

.step.current span {
  color: #ffffff;
  background: var(--primary);
}

.detail-grid {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 18px;
}

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

.status-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
}

.detail-list div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.detail-list dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.detail-list dd {
  margin: 4px 0 0;
  font-weight: 600;
}

.document-list {
  display: grid;
  gap: 8px;
}

.variables-layout {
  display: grid;
  gap: 18px;
}

.data-table code {
  display: inline-block;
  padding: 2px 6px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: Consolas, monospace;
  font-size: 13px;
}

.document-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.document-row > div:first-child {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.doc-state {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: #475569;
  background: #e2e8f0;
  font-weight: 700;
}

.doc-state.done {
  color: #ffffff;
  background: var(--success);
}

.doc-state.waiting {
  color: var(--muted);
}

.error-panel {
  display: grid;
  justify-items: start;
  gap: 10px;
}

.error-panel h2 {
  margin: 0;
}

.error-panel p {
  margin: 0;
  color: var(--muted);
}

.print-layout {
  background: #e5e7eb;
}

.print-toolbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}

.print-page {
  width: 210mm;
  min-height: 297mm;
  margin: 18px auto;
  padding: 22mm 20mm;
  background: #ffffff;
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.18);
  page-break-after: always;
}

.document-head {
  text-align: center;
  margin-bottom: 28px;
}

.emblem {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin: 0 auto 12px;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 999px;
}

.emblem .icon {
  width: 34px;
  height: 34px;
}

.document-head h1 {
  margin: 0;
  font-size: 24px;
}

.document-head p {
  margin: 4px 0 0;
}

.document-content {
  font-size: 17px;
}

.document-content p {
  margin: 0 0 16px;
  text-align: justify;
}

.doc-date {
  text-align: right !important;
}

.print-table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
}

.print-table th,
.print-table td {
  padding: 8px 10px;
  border: 1px solid #334155;
}

.print-table th {
  background: #f1f5f9;
}

.signature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 70px;
  text-align: center;
}

.signature-grid span,
.signature-grid strong,
.signature-grid small {
  display: block;
}

.signature-grid strong {
  margin-top: 8px;
}

.signature-grid small {
  color: var(--muted);
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    width: var(--sidebar-width);
    transform: translateX(-102%);
    transition: transform 160ms ease;
  }

  .sidebar-open .sidebar {
    transform: translateX(0);
  }

  .mobile-menu {
    display: inline-grid;
  }

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

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

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

@media (max-width: 760px) {
  .content,
  .alert {
    width: min(100% - 24px, 1180px);
  }

  .topbar {
    padding: 12px;
  }

  .topbar h1 {
    font-size: 20px;
  }

  .topbar-actions .icon-button,
  .user-chip {
    display: none;
  }

  .page-heading,
  .panel-header {
    display: grid;
    align-items: start;
  }

  .page-heading h2 {
    font-size: 24px;
  }

  .stats-grid,
  .form-grid,
  .committee-row {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    grid-template-columns: 1fr;
  }

  .contract-card,
  .document-row {
    grid-template-columns: 1fr;
  }

  .contract-actions,
  .row-actions,
  .detail-actions,
  .form-actions,
  .heading-actions {
    justify-content: stretch;
  }

  .btn {
    flex: 1 1 auto;
  }

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

  .print-page {
    width: calc(100% - 20px);
    min-height: auto;
    padding: 24px;
  }

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

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

  body {
    background: #ffffff;
  }

  .print-toolbar {
    display: none;
  }

  .print-page {
    width: 210mm;
    min-height: 297mm;
    margin: 0;
    padding: 22mm 20mm;
    box-shadow: none;
  }
}