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

:root {
  --black:    #000000;
  --white:    #ffffff;
  --gray-50:  #fafafa;
  --gray-100: #f4f4f4;
  --gray-150: #eeeeee;
  --gray-200: #e2e2e2;
  --gray-300: #cccccc;
  --gray-400: #aaaaaa;
  --gray-500: #888888;
  --gray-600: #666666;
  --gray-700: #444444;
  --gray-800: #222222;
  --font: 'Arial', sans-serif;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
}

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

body {
  font-family: var(--font);
  background: #f7f7f7;
  color: var(--black);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* ===== HEADER ===== */
header {
  background: var(--black);
  color: var(--white);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.logo-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--white);
  border-radius: 50%;
  margin: 0 2px 2px;
  vertical-align: middle;
}

.tagline {
  font-size: 11px;
  color: var(--gray-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  border-left: 1px solid var(--gray-700);
  padding-left: 16px;
}

.header-trial {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-400);
  border: 1px solid var(--gray-700);
  padding: 3px 10px;
  border-radius: 20px;
}

/* ===== TABS NAV ===== */
.tabs {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  overflow-x: auto;
  flex-shrink: 0;
  padding: 0 24px;
  gap: 0;
  box-shadow: var(--shadow-sm);
}

.tabs::-webkit-scrollbar { height: 0; }

.tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  padding: 16px 20px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--gray-500);
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}

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

.tab-btn.active {
  color: var(--black);
  border-bottom-color: var(--black);
}

/* ===== MAIN ===== */
main {
  flex: 1;
  overflow: auto;
}

.tab-content {
  display: none;
  padding: 32px 32px 64px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

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

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: 8px;
}

.section-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--black);
}

.section-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

/* ===== DISCLAIMER ===== */
.disclaimer {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--black);
  padding: 10px 16px;
  font-size: 11px;
  color: var(--gray-600);
  margin-bottom: 28px;
  border-radius: 0 var(--radius) var(--radius) 0;
  letter-spacing: 0.2px;
}

/* ===== UPLOAD ZONE ===== */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 24px;
  background: var(--white);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--black);
  background: var(--gray-50);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--gray-400);
  line-height: 1;
}

.upload-text {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--black);
}

.upload-sub {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  padding: 11px 28px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius);
  letter-spacing: 0.5px;
  transition: background 0.15s, color 0.15s;
  text-transform: uppercase;
}

.btn-primary:hover {
  background: var(--gray-800);
  border-color: var(--gray-800);
}

.btn-outline {
  display: inline-block;
  background: var(--white);
  color: var(--black);
  border: 2px solid var(--black);
  padding: 10px 20px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
  width: 100%;
  margin-top: 14px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

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

/* ===== FILE LIST ===== */
.file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.file-item .file-name { flex: 1; font-weight: 600; font-size: 13px; }
.file-item .file-size { color: var(--gray-500); font-size: 12px; }
.file-item .file-status { font-size: 12px; font-weight: 700; }
.file-item .file-status.ok  { color: #1a7a1a; }
.file-item .file-status.err { color: #b00000; }
.file-item .file-status.pending { color: var(--gray-500); }

.file-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--gray-400);
  padding: 0 4px;
  transition: color 0.15s;
}
.file-remove:hover { color: var(--black); }

/* ===== PARSE STATUS ===== */
.parse-status {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  box-shadow: var(--shadow-sm);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ===== ACCOUNT CARDS ===== */
.account-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.account-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  min-width: 220px;
  flex: 1;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--black);
}

.account-card .ac-bank {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--gray-500);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.account-card .ac-name {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 2px;
  color: var(--black);
}

.account-card .ac-num {
  font-size: 11px;
  color: var(--gray-500);
  margin-bottom: 14px;
  font-family: monospace;
}

.account-card .ac-bal {
  font-size: 20px;
  font-weight: 800;
  color: var(--black);
}

.account-card .ac-bal-label {
  font-size: 10px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

/* ===== KPI GRID ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 20px 18px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--black);
}

.kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.kpi-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--black);
  line-height: 1.1;
  margin-bottom: 6px;
}

.kpi-sub {
  font-size: 11px;
  color: var(--gray-500);
}

/* ===== CHARTS ===== */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
  gap: 20px;
}

.chart-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-sm);
}

.chart-title {
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-150);
  padding-bottom: 12px;
}

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-bar input,
.filter-bar select {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 9px 14px;
  font-family: var(--font);
  font-size: 13px;
  background: var(--white);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.filter-bar input { flex: 1; min-width: 200px; }

.filter-bar input:focus,
.filter-bar select:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

/* ===== TABLE ===== */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--white);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: var(--black);
  color: var(--white);
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
  white-space: nowrap;
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
thead th:last-child  { border-radius: 0 var(--radius-lg) 0 0; }

tbody tr { border-bottom: 1px solid var(--gray-150); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--gray-50); }
tbody td { padding: 10px 14px; vertical-align: middle; }

.tx-credit { color: #1a6b1a; font-weight: 700; }
.tx-debit  { color: #8b0000; font-weight: 700; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  background: var(--gray-150);
  color: var(--gray-700);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.page-btn {
  border: 1px solid var(--gray-300);
  background: var(--white);
  padding: 7px 14px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.page-btn.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.page-btn:hover:not(.active):not(:disabled) {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

/* ===== LEDGER CARDS ===== */
#ledgerCards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ledger-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.ledger-card:hover {
  box-shadow: var(--shadow-md);
}

.ledger-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--white);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid transparent;
  transition: background 0.15s;
}

.ledger-header:hover { background: var(--gray-50); }

.ledger-card .ledger-header.is-open {
  background: var(--gray-50);
  border-bottom-color: var(--gray-200);
}

.ledger-name-wrap {
  flex: 1;
  min-width: 0;
}

.ledger-name {
  font-weight: 800;
  font-size: 14px;
  color: var(--black);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ledger-holder {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 2px;
  letter-spacing: 0.2px;
}

.ledger-stats {
  display: flex;
  gap: 24px;
  font-size: 12px;
  flex-shrink: 0;
}

.ledger-stat { text-align: right; }
.ledger-stat-label { color: var(--gray-500); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.ledger-stat-val { font-weight: 800; font-size: 13px; }

.ledger-toggle {
  font-size: 14px;
  color: var(--gray-400);
  flex-shrink: 0;
  width: 24px;
  text-align: center;
  transition: transform 0.2s;
}

.ledger-body {
  display: none;
  overflow-x: auto;
  border-top: 1px solid var(--gray-200);
}

.ledger-body.open { display: block; }

.ledger-body table { font-size: 12px; }

/* ===== LEDGER DOWNLOAD BUTTONS ===== */
.ledger-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.ledger-dl-btn {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 5px 12px;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  color: var(--black);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.ledger-dl-btn:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* ===== LEDGER TABLE FOOTER TOTAL ROW ===== */
.ledger-total-row td {
  background: var(--gray-100);
  border-top: 2px solid var(--black);
  padding: 10px 14px;
  font-size: 12px;
}

/* ===== LEDGER PAGINATION BAR ===== */
.ledger-page-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 18px;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  font-size: 12px;
}

.ledger-page-info {
  color: var(--gray-600);
  font-size: 12px;
  white-space: nowrap;
}

.ledger-page-bar .page-btn {
  padding: 5px 16px;
  font-size: 12px;
  font-family: var(--font);
  font-weight: 700;
  background: var(--white);
  border: 1px solid var(--black);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
  min-width: 72px;
}

.ledger-page-bar .page-btn:hover:not(:disabled) {
  background: var(--black);
  color: var(--white);
}

.ledger-page-bar .page-btn:disabled,
.ledger-page-bar .page-btn.disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== LEDGER INTEGRITY BANNER ===== */
.ledger-integrity-banner {
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: 0.2px;
}

.ledger-integrity-banner.ok   { background: #f0faf0; color: #1a6b1a; border: 1px solid #b3d9b3; }
.ledger-integrity-banner.warn { background: #fff8f0; color: #8b4000; border: 1px solid #ffcc80; }

/* ===== TAX CONTENT ===== */
.tax-section {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.tax-section-title {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 2px solid var(--black);
  padding-bottom: 10px;
  margin-bottom: 18px;
  color: var(--black);
}

.tax-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 12px;
}

.tax-table th {
  background: var(--black);
  color: var(--white);
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.tax-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-150);
}

.tax-table tr:last-child td {
  font-weight: 700;
  background: var(--gray-50);
  border-bottom: none;
}

.tax-note {
  font-size: 12px;
  color: var(--gray-600);
  background: var(--gray-50);
  border-left: 3px solid var(--gray-300);
  padding: 10px 14px;
  margin-top: 10px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.suggestion-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.suggestion-list li {
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 13px;
  background: var(--gray-50);
  border-left: 3px solid var(--black);
  line-height: 1.5;
}

.suggestion-list li::before {
  content: "✓ ";
  font-weight: 800;
}

/* ===== EXPORT GRID ===== */
.export-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.export-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 22px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.export-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.export-icon { font-size: 36px; margin-bottom: 12px; }
.export-name { font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.export-desc { font-size: 12px; color: var(--gray-500); margin-bottom: 4px; line-height: 1.4; }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  color: var(--gray-500);
  font-size: 14px;
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  background: var(--white);
}

/* ===== FOOTER ===== */
footer {
  background: var(--black);
  color: var(--gray-500);
  padding: 14px 32px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 8px;
  letter-spacing: 0.3px;
}

/* ===== ACCOUNT CARD — BALANCE ROW ===== */
.ac-bal-row {
  display: flex;
  gap: 24px;
  margin: 12px 0 8px;
}

.ac-bal-open {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-700);
}

.ac-recon {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  display: inline-block;
  margin-top: 6px;
}

.ac-recon.ok   { background: #f0faf0; color: #1a6b1a; border: 1px solid #b3d9b3; }
.ac-recon.warn { background: #fff8f0; color: #8b4000; border: 1px solid #ffcc80; }

.ac-txcount {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 6px;
}

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

@media (max-width: 768px) {
  .tab-content { padding: 20px 16px 48px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .export-grid { grid-template-columns: 1fr 1fr; }
  footer { flex-direction: column; }
  .ledger-actions { display: none; }
  .header-trial { display: none; }
}

@media (max-width: 480px) {
  header { padding: 0 16px; }
  .tab-content { padding: 16px 12px 40px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .export-grid { grid-template-columns: 1fr; }
  .ledger-stats { display: none; }
  .ac-bal-row { flex-direction: column; gap: 8px; }
  .tabs { padding: 0 8px; }
  .tab-btn { padding: 14px 12px; font-size: 11px; }
}