/* ═══════════════════════════════════════════════════════════════
   TU IA — Financial Dashboard
   styles.css — Complete Black & White Monochrome Design System
   ═══════════════════════════════════════════════════════════════ */

/* ── RESET & BASE ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:      #000000;
  --white:      #FFFFFF;
  --grey-100:   #F7F7F7;
  --grey-200:   #EEEEEE;
  --grey-300:   #DDDDDD;
  --grey-400:   #BBBBBB;
  --grey-500:   #888888;
  --grey-600:   #555555;
  --grey-700:   #333333;
  --grey-800:   #1A1A1A;

  --font:       'Arial', 'Helvetica Neue', Helvetica, sans-serif;
  --font-mono:  'Courier New', Courier, monospace;

  --header-h:   52px;
  --footer-h:   36px;
  --sidebar-w:  0px;

  --radius:     2px;
  --radius-sm:  1px;

  --shadow:     0 1px 3px rgba(0,0,0,0.12);
  --shadow-md:  0 2px 8px rgba(0,0,0,0.16);
}

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--grey-100);
  color: var(--black);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ── SCROLLBAR ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--grey-200); }
::-webkit-scrollbar-thumb { background: var(--grey-400); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--grey-600); }

/* ── HEADER ───────────────────────────────────────────────────── */
#app-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 24px;
  z-index: 1000;
  border-bottom: 2px solid var(--grey-700);
}

.header-left {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.app-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--white);
  text-transform: uppercase;
}

.app-tagline {
  font-size: 11px;
  color: var(--grey-400);
  letter-spacing: 0.5px;
}

.header-nav {
  display: flex;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--grey-400);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.15s;
  text-transform: uppercase;
}

.nav-btn:hover { color: var(--white); background: var(--grey-700); }
.nav-btn.active { color: var(--black); background: var(--white); }

.header-right { flex-shrink: 0; }

/* ── FOOTER ───────────────────────────────────────────────────── */
#app-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--footer-h);
  background: var(--grey-800);
  color: var(--grey-400);
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1000;
  border-top: 1px solid var(--grey-700);
  letter-spacing: 0.3px;
}

.footer-right { color: var(--grey-500); }

/* ── VIEWS ────────────────────────────────────────────────────── */
.view {
  display: none;
  margin-top: var(--header-h);
  margin-bottom: var(--footer-h);
  min-height: calc(100vh - var(--header-h) - var(--footer-h));
  padding: 24px 24px 32px;
}

.view.active { display: block; }

/* ── UPLOAD VIEW ──────────────────────────────────────────────── */
#view-upload {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  padding: 0;
}

.upload-hero {
  width: 100%;
  max-width: 680px;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.upload-brand { text-align: center; }

.brand-title {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: 12px;
  color: var(--black);
  line-height: 1;
}

.brand-sub {
  font-size: 13px;
  color: var(--grey-500);
  letter-spacing: 1px;
  margin-top: 8px;
  text-transform: uppercase;
}

.upload-card {
  width: 100%;
  border: 2px dashed var(--grey-300);
  background: var(--grey-100);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.upload-card:hover,
.upload-card.drag-over {
  border-color: var(--black);
  background: var(--white);
}

.upload-icon { margin-bottom: 4px; opacity: 0.7; }
.upload-title { font-size: 18px; font-weight: 700; color: var(--black); }
.upload-desc { font-size: 13px; color: var(--grey-500); }
.upload-formats { font-size: 11px; color: var(--grey-400); letter-spacing: 0.3px; }

/* File Queue */
.file-queue {
  width: 100%;
  border: 1px solid var(--grey-300);
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
}

.file-list { max-height: 280px; overflow-y: auto; }

.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--grey-200);
  font-size: 13px;
}

.file-item:last-child { border-bottom: none; }
.file-item:nth-child(even) { background: var(--grey-100); }

.file-item-icon { font-size: 16px; flex-shrink: 0; }
.file-item-name { flex: 1; font-weight: 600; color: var(--black); }
.file-item-size { color: var(--grey-500); font-size: 11px; flex-shrink: 0; }
.file-item-bank { font-size: 11px; color: var(--grey-600); background: var(--grey-200); padding: 2px 6px; border-radius: 2px; }
.file-item-status { font-size: 11px; flex-shrink: 0; }
.file-item-status.ok { color: var(--grey-700); }
.file-item-status.error { color: var(--grey-600); font-weight: 700; }

.file-item-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--grey-400);
  font-size: 16px;
  line-height: 1;
  padding: 0 4px;
  flex-shrink: 0;
}
.file-item-remove:hover { color: var(--black); }

.upload-actions {
  display: flex;
  gap: 12px;
  padding: 16px;
  border-top: 1px solid var(--grey-200);
  background: var(--grey-100);
  justify-content: flex-end;
}

/* Processing Panel */
.processing-panel {
  width: 100%;
  text-align: center;
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.processing-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--grey-300);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.progress-bar-wrap {
  width: 100%;
  max-width: 400px;
  height: 4px;
  background: var(--grey-200);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--black);
  transition: width 0.3s ease;
}

.processing-log {
  width: 100%;
  max-width: 500px;
  max-height: 160px;
  overflow-y: auto;
  text-align: left;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--grey-600);
  background: var(--grey-100);
  border: 1px solid var(--grey-200);
  padding: 10px 12px;
  border-radius: var(--radius);
}

.log-line { padding: 1px 0; }
.log-line.ok::before { content: '✓ '; color: var(--grey-700); }
.log-line.warn::before { content: '⚠ '; }
.log-line.err::before { content: '✗ '; }

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn-primary {
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  padding: 9px 20px;
  cursor: pointer;
  border-radius: var(--radius);
  letter-spacing: 0.3px;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary:hover { background: var(--grey-700); border-color: var(--grey-700); }
.btn-primary:active { background: var(--grey-800); }
.btn-primary:disabled { background: var(--grey-400); border-color: var(--grey-400); cursor: not-allowed; }

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--black);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  padding: 7px 16px;
  cursor: pointer;
  border-radius: var(--radius);
  letter-spacing: 0.3px;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-outline:hover { background: var(--black); color: var(--white); }

.btn-secondary {
  background: var(--grey-200);
  color: var(--black);
  border: 1px solid var(--grey-300);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.15s;
}

.btn-secondary:hover { background: var(--grey-300); }

.btn-back {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  color: var(--grey-600);
  cursor: pointer;
  padding: 6px 0;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.btn-back:hover { color: var(--black); }

.btn-link {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 12px;
  color: var(--black);
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}

/* ── SECTION BLOCKS ───────────────────────────────────────────── */
.section-block {
  background: var(--white);
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--grey-200);
  background: var(--grey-100);
}

.section-header h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-hint {
  font-size: 11px;
  color: var(--grey-500);
  margin-left: auto;
}

/* ── CARDS ────────────────────────────────────────────────────── */
.cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.cards-row-sm {
  grid-template-columns: repeat(8, 1fr);
  gap: 10px;
}

@media (max-width: 1200px) {
  .cards-row { grid-template-columns: repeat(2, 1fr); }
  .cards-row-sm { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 640px) {
  .cards-row { grid-template-columns: 1fr 1fr; }
  .cards-row-sm { grid-template-columns: repeat(2, 1fr); }
}

.card {
  background: var(--white);
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-lg { padding: 20px; }

.card-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--grey-500);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.card-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.card-lg .card-value { font-size: 26px; }

.card-sub {
  font-size: 11px;
  color: var(--grey-500);
  margin-top: 2px;
}

/* ── TABLES ───────────────────────────────────────────────────── */
.table-scroll {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 600px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table thead tr {
  background: var(--black);
  color: var(--white);
}

.data-table th {
  padding: 9px 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  border-right: 1px solid var(--grey-700);
}

.data-table th:last-child { border-right: none; }

.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--grey-200);
  border-right: 1px solid var(--grey-200);
  vertical-align: middle;
  color: var(--grey-700);
}

.data-table td:last-child { border-right: none; }

.data-table tbody tr:nth-child(even) { background: var(--grey-100); }
.data-table tbody tr:hover { background: var(--grey-200); }

.data-table tfoot tr {
  background: var(--grey-200);
  font-weight: 700;
}

.data-table tfoot td {
  padding: 10px 12px;
  border-top: 2px solid var(--black);
  color: var(--black);
  font-size: 12px;
}

/* Ledger-specific table */
.ledger-table .col-dr { color: var(--black); font-weight: 600; font-family: var(--font-mono); }
.ledger-table .col-cr { color: var(--black); font-weight: 600; font-family: var(--font-mono); }
.ledger-table .col-balance { font-family: var(--font-mono); font-weight: 700; }
.ledger-table .col-dr-type { font-size: 10px; font-weight: 700; color: var(--grey-600); }
.ledger-table .col-cr-type { font-size: 10px; font-weight: 700; color: var(--grey-500); }
.ledger-table .row-opening { background: var(--grey-200) !important; font-weight: 700; }
.ledger-table .row-closing { background: var(--grey-800) !important; color: var(--white) !important; font-weight: 700; }
.ledger-table .row-closing td { color: var(--white) !important; border-color: var(--grey-600) !important; }

.data-table-sm td, .data-table-sm th { padding: 6px 10px; font-size: 11px; }

/* Numeric columns right-aligned */
.num { text-align: right; font-family: var(--font-mono); }
.num-bold { text-align: right; font-family: var(--font-mono); font-weight: 700; color: var(--black); }

/* Status badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-ok { background: var(--grey-800); color: var(--white); }
.badge-warn { background: var(--grey-400); color: var(--black); }
.badge-err { background: var(--black); color: var(--white); border: 1px solid var(--grey-500); }
.badge-neutral { background: var(--grey-200); color: var(--grey-600); }
.badge-count { background: var(--grey-700); color: var(--white); }

/* Tax flags */
.tax-gst { background: var(--grey-700); color: var(--white); }
.tax-tds { background: var(--grey-500); color: var(--white); }
.tax-exempt { background: var(--grey-200); color: var(--grey-600); }
.tax-unknown { background: var(--grey-300); color: var(--grey-700); }

/* ── VIEW HEADER ──────────────────────────────────────────────── */
.view-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.view-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.view-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-left: auto;
  align-items: center;
}

.view-disclaimer {
  font-size: 10px;
  color: var(--grey-500);
  margin-left: auto;
  font-style: italic;
}

/* ── FORM CONTROLS ────────────────────────────────────────────── */
.search-input {
  font-family: var(--font);
  font-size: 12px;
  padding: 7px 12px;
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--black);
  width: 240px;
  outline: none;
  transition: border-color 0.15s;
}

.search-input:focus { border-color: var(--black); }

.filter-select {
  font-family: var(--font);
  font-size: 12px;
  padding: 7px 10px;
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--black);
  cursor: pointer;
  outline: none;
}

.filter-select:focus { border-color: var(--black); }

/* ── TABLE META ───────────────────────────────────────────────── */
.table-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--grey-500);
}

.tab-group {
  display: flex;
  gap: 2px;
  background: var(--grey-200);
  padding: 2px;
  border-radius: var(--radius);
}

.tab-btn {
  background: transparent;
  border: none;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  cursor: pointer;
  border-radius: var(--radius);
  color: var(--grey-600);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: all 0.15s;
}

.tab-btn.active { background: var(--black); color: var(--white); }
.tab-btn:hover:not(.active) { background: var(--grey-300); }

/* ── PAGINATION ───────────────────────────────────────────────── */
.pagination {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-top: 16px;
  flex-wrap: wrap;
}

.page-btn {
  background: var(--white);
  border: 1px solid var(--grey-300);
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: var(--radius);
  color: var(--grey-600);
  min-width: 32px;
  text-align: center;
  transition: all 0.15s;
}

.page-btn:hover { background: var(--grey-200); }
.page-btn.active { background: var(--black); color: var(--white); border-color: var(--black); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── CHARTS ───────────────────────────────────────────────────── */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-card {
  background: var(--white);
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  padding: 16px;
}

.chart-card-wide {
  grid-column: 1 / -1;
}

.chart-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--grey-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--grey-200);
}

@media (max-width: 900px) {
  .charts-row { grid-template-columns: 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
}

/* ── LEDGER DETAIL ────────────────────────────────────────────── */
.ledger-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--black);
  flex-wrap: wrap;
}

.ledger-title-block { flex: 1; }

.ledger-party-code {
  font-size: 10px;
  font-weight: 700;
  color: var(--grey-500);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.ledger-title-block h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ledger-party-meta {
  font-size: 11px;
  color: var(--grey-500);
  margin-top: 4px;
}

/* ── EXPORT VIEW ──────────────────────────────────────────────── */
.export-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.export-card {
  background: var(--white);
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.export-card-full { grid-column: 1 / -1; }

.export-icon { font-size: 28px; flex-shrink: 0; }

.export-info { flex: 1; }

.export-info h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 6px;
}

.export-info p {
  font-size: 12px;
  color: var(--grey-500);
  line-height: 1.5;
  margin-bottom: 8px;
}

.export-meta {
  font-size: 10px;
  color: var(--grey-400);
  font-family: var(--font-mono);
}

.export-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .export-grid { grid-template-columns: 1fr; }
  .export-card-full { grid-column: 1; }
}

/* ── TAX VIEW ─────────────────────────────────────────────────── */
.suggestions-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.suggestion-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px;
  background: var(--grey-100);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--grey-700);
  line-height: 1.5;
}

.suggestion-icon { font-size: 16px; flex-shrink: 0; }

/* ── EMPTY STATES ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--grey-400);
}

.empty-state-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state h3 { font-size: 14px; font-weight: 700; color: var(--grey-500); margin-bottom: 6px; }
.empty-state p { font-size: 12px; }

/* ── UTILITY ──────────────────────────────────────────────────── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }
.text-bold { font-weight: 700; }
.text-sm { font-size: 11px; }
.text-muted { color: var(--grey-500); }
.text-upper { text-transform: uppercase; letter-spacing: 0.5px; }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .view { padding: 16px; }
  .cards-row { grid-template-columns: 1fr 1fr; }
  .cards-row-sm { grid-template-columns: repeat(2, 1fr); }
  .header-nav { display: none !important; }
  .search-input { width: 160px; }
  .brand-title { font-size: 36px; }
  .export-card { flex-direction: column; }
  .export-actions { flex-direction: row; }
}

/* ── PRINT ────────────────────────────────────────────────────── */
@media print {
  #app-header, #app-footer, .header-nav, .view-controls,
  .btn-primary, .btn-outline, .btn-secondary, .pagination { display: none !important; }
  .view { margin: 0; padding: 0; }
  .data-table { font-size: 10px; }
  .section-block { border: 1px solid #ccc; }
}

/* ── ANIMATIONS ───────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.view.active { animation: fadeIn 0.2s ease; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.file-item { animation: slideIn 0.15s ease; }

/* ── LEDGER TABLE SPECIFIC STYLES ──────────────────────────────────────── */
.ledger-table { font-size: 12.5px; }
.ledger-table td, .ledger-table th { padding: 5px 8px; }

/* Opening balance row */
.ledger-table tr.row-opening td {
  background: var(--grey-200);
  font-weight: 700;
  font-style: italic;
  border-top: 2px solid var(--grey-400);
  border-bottom: 1px solid var(--grey-300);
}

/* Closing balance row */
.ledger-table tr.row-closing td {
  background: var(--grey-800);
  color: var(--white);
  font-weight: 700;
  border-top: 2px solid var(--black);
}

/* Total row in tfoot */
.ledger-table tfoot tr td {
  background: var(--grey-700);
  color: var(--white);
  font-weight: 700;
  font-family: var(--font-mono);
  border-top: 2px solid var(--black);
}

/* Debit amount cells */
.ledger-table td.cell-dr {
  font-family: var(--font-mono);
  text-align: right;
  color: #c0392b;
  font-weight: 600;
}

/* Credit amount cells */
.ledger-table td.cell-cr {
  font-family: var(--font-mono);
  text-align: right;
  color: #27ae60;
  font-weight: 600;
}

/* Running balance cell */
.ledger-table td.cell-bal {
  font-family: var(--font-mono);
  text-align: right;
  font-weight: 700;
}

/* Balance type badge */
.bal-dr { color: #c0392b; font-size: 10px; font-weight: 700; text-transform: uppercase; }
.bal-cr { color: #27ae60; font-size: 10px; font-weight: 700; text-transform: uppercase; }
.bal-nil { color: var(--grey-500); font-size: 10px; }

/* Ledger detail header */
.ledger-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--black);
}

.ledger-title-block { flex: 1; }

.ledger-party-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--grey-500);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.ledger-party-meta {
  font-size: 12px;
  color: var(--grey-600);
  margin-top: 4px;
}

.btn-back {
  background: none;
  border: 1px solid var(--grey-300);
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius);
  color: var(--grey-700);
  white-space: nowrap;
  transition: all 0.15s;
}
.btn-back:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* Party index table action button */
.btn-ledger-open {
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background 0.15s;
}
.btn-ledger-open:hover { background: var(--grey-700); }

/* Tax flag badge */
.tax-flag {
  display: inline-block;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 700;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tax-flag-gst { background: #fef9e7; color: #d68910; border: 1px solid #f0c040; }
.tax-flag-tds { background: #fdf2f8; color: #8e44ad; border: 1px solid #d7bde2; }
.tax-flag-both { background: #eafaf1; color: #1e8449; border: 1px solid #82e0aa; }
.tax-flag-none { background: var(--grey-200); color: var(--grey-500); border: 1px solid var(--grey-300); }

/* Ledger footer summary table */
#ledger-footer-table td:first-child {
  font-weight: 600;
  color: var(--grey-600);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: 180px;
  padding: 6px 12px;
}
#ledger-footer-table td:last-child {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
}

/* Section hint text */
.section-hint {
  font-size: 11px;
  color: var(--grey-500);
  font-style: italic;
}

/* View disclaimer */
.view-disclaimer {
  font-size: 11px;
  color: var(--grey-500);
  font-style: italic;
  margin-left: 12px;
}