:root {
  --main: #4a4b2a;
  --accent: #454d98;
  --danger: #c71d2f;
  --warn: #efb211;
  --bg: #f4f4f2;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #5c5c5c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.site-header {
  background: var(--main);
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand .logo { max-height: 32px; width: auto; }
.brand .icon { border-radius: 8px; }
.app-name { font-weight: 600; letter-spacing: 0.02em; opacity: 0.9; }

.container { max-width: 1200px; margin: 24px auto; padding: 0 16px 48px; }

.flash {
  background: #e8e6ff;
  border-left: 4px solid var(--accent);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.panel {
  background: var(--card);
  border-radius: 10px;
  padding: 20px 22px;
  margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

h1 { margin: 0 0 12px; font-size: 1.35rem; color: var(--main); }
h2 { margin: 0 0 10px; font-size: 1.1rem; color: var(--main); }

.muted { color: var(--muted); font-size: 0.95rem; }

.stack { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.secondary { background: #e7e7e7; color: #222; }
.btn.pdf { background: var(--warn); color: #fff; }
.btn.danger { background: var(--danger); color: #fff; }
.btn.small { padding: 6px 10px; font-size: 0.85rem; background: var(--main); color: #fff; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }

.stats { display: flex; flex-wrap: wrap; gap: 14px; }
.stat {
  min-width: 140px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f0f0ec;
}
.stat .label { display: block; font-size: 0.8rem; color: var(--muted); }
.stat .value { font-size: 1.25rem; font-weight: 700; }
.stat .value.accent { color: var(--accent); }
.stat .value.warn { color: var(--warn); }
.stat .value.danger { color: var(--danger); }

.tabs { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.tabs a {
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--main);
  background: #ececdf;
  font-weight: 600;
}
.tabs a.active { background: var(--accent); color: #fff; }

.filter { margin-bottom: 10px; }
.filter input {
  width: 100%;
  max-width: 420px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

.table-wrap { overflow: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { border-bottom: 1px solid #e2e2e2; padding: 8px 6px; text-align: left; vertical-align: top; }
.table th.num, .table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.table th { background: #fafaf8; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.table.dense td { font-size: 0.85rem; }
.desc { max-width: 320px; }

.row-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.row-form .grow {
  flex: 1 1 160px;
  min-width: 140px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
}
.pill {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: #eee;
  color: #333;
}

.file input { margin-top: 6px; }

.pair-actions { margin-bottom: 12px; }
.pair-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; }
.sum-bar { font-size: 0.9rem; }
.sum-bar .num { font-variant-numeric: tabular-nums; }
.filter-toggles { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
table .chk { width: 36px; text-align: center; }
table .chk input { margin: 0; vertical-align: middle; }
tbody tr.row-hidden { display: none; }

.pair-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 960px) {
  .pair-grid { grid-template-columns: 1fr; }
}
.pair-col h2 { margin: 0 0 8px; font-size: 1rem; color: var(--main); }
.pair-scroll {
  max-height: min(70vh, 720px);
  overflow: auto;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
}
table.selectable tbody tr { cursor: pointer; }
table.selectable tbody tr:hover { background: #f6f6f2; }
table.selectable tbody tr.selected { outline: 2px solid var(--accent); background: #eef0ff; }
table.selectable tbody tr.has-links { opacity: 0.85; }
.pill-matched { background: #e4e8ff; color: var(--accent); }
.pill-open { background: #f0f0ec; color: #444; }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 0.95rem; }
.alert-ok { background: #e8f5e9; border-left: 4px solid #2e7d32; }
.alert-warn { background: #fff8e1; border-left: 4px solid var(--warn); }
.alert-danger { background: #ffebee; border-left: 4px solid var(--danger); }
.preview-table tr.preview-warn { background: #fffbf0; }
.preview-table tr.preview-bad { background: #fff0f0; }
.inline-actions { display: inline-block; margin-right: 10px; }

.source-upload-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  margin-top: 12px;
}
.source-card {
  border: 1px solid #e0e0dc;
  border-radius: 8px;
  padding: 12px 14px;
  background: #fafaf8;
}
.source-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--main);
}
.stack-tight {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}
.stack-tight input[type=file] { font-size: 0.85rem; max-width: 100%; }

.bulk-review-wrap { margin-top: 0; }
.bulk-review-actions {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #e8e8e4;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.site-header {
  justify-content: space-between;
  gap: 16px;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.site-nav a { color: #fff; text-decoration: none; font-weight: 600; opacity: 0.9; }
.site-nav a:hover { opacity: 1; text-decoration: underline; }
.nav-user { font-size: 0.85rem; opacity: 0.85; }
.nav-logout { display: inline; margin: 0; }
.nav-logout .btn { background: #fff; color: var(--main); }
.container.wide { max-width: 1400px; }

.login-panel { max-width: 420px; margin: 40px auto; }
.login-panel label, .stack label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.login-panel input, .stack input, .stack select, .form-grid input, .form-grid select {
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font: inherit;
}
.alert { padding: 12px 14px; border-radius: 8px; margin: 12px 0; }
.alert-warn { background: #fff8e1; border-left: 4px solid var(--warn); }

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.hub-card {
  display: block;
  background: #fff;
  border-radius: 10px;
  padding: 22px 20px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
  border: 1px solid #e8e8e4;
}
.hub-card h2 { margin: 0 0 8px; font-size: 1.15rem; color: var(--main); }
.hub-card p { margin: 0; color: var(--muted); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.form-grid.compact { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; font-weight: 600; }
.row-form { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.table.dense input, .table.dense select { width: 100%; min-width: 70px; padding: 4px 6px; font-size: 0.85rem; }
.table.dense select { min-width: 120px; }
.totals-row td { font-weight: 700; color: var(--danger); border-top: 2px solid #333; }
.prf-extra td { background: #fafaf8; padding-bottom: 12px; }
.prf-extra summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }

.wtax-sheet {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
}
.wtax-meta { margin-bottom: 16px; line-height: 1.7; }
.wtax-meta span { font-weight: 700; margin-right: 8px; }
.wtax-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.wtax-table th, .wtax-table td { border: 1px solid #333; padding: 6px 8px; }
.wtax-table th { background: #f3f3f0; font-size: 0.72rem; text-transform: uppercase; }
.wtax-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.wtax-total td { font-weight: 700; color: var(--danger); }

@media print {
  .no-print, .site-header { display: none !important; }
  body { background: #fff; }
  .container { max-width: none; margin: 0; padding: 0; }
  .wtax-sheet { box-shadow: none; padding: 0; }
}