:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --page-plane: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --success: #0ca30c;
  --row-hover: rgba(255, 255, 255, 0.03);
  --thead-bg: #232322;

  --series-1: #3987e5; /* blue */
  --series-2: #d95926; /* orange */
  --series-3: #199e70; /* aqua */
  --series-4: #c98500; /* yellow */
  --series-5: #d55181; /* magenta */
  --series-6: #008300; /* green */
  --series-7: #9085e9; /* violet */
  --series-8: #e66767; /* red */

  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;
}

:root[data-theme="light"] {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --page-plane: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --success: #006300;
  --row-hover: rgba(11, 11, 11, 0.03);
  --thead-bg: #f1f0ec;

  --series-1: #2a78d6; /* blue */
  --series-2: #eb6834; /* orange */
  --series-3: #1baf7a; /* aqua */
  --series-4: #eda100; /* yellow */
  --series-5: #e87ba4; /* magenta */
  --series-6: #008300; /* green */
  --series-7: #4a3aa7; /* violet */
  --series-8: #e34948; /* red */

  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page-plane);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------------- Topbar ---------------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 24px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  background: linear-gradient(135deg, var(--series-1), var(--series-7));
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 8px;
  letter-spacing: 0.5px;
}
.brand-title { font-weight: 700; font-size: 15px; }
.brand-sub { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }

.tabs { display: flex; gap: 4px; margin-left: 12px; }
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.tab:hover { color: var(--text-primary); border-color: var(--border); }
.tab.active { background: var(--series-1); color: #fff; }

.topbar-controls { display: flex; align-items: center; gap: 10px; margin-left: auto; flex-wrap: wrap; }
.date-range { display: flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 12px; }
.date-range input[type="date"] {
  background: var(--page-plane);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 5px 6px;
  font-size: 12px;
}
.search-box {
  background: var(--page-plane);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  width: 180px;
}
.search-box.small { width: 220px; }
.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.ghost-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.ghost-btn.small { padding: 3px 10px; font-size: 11px; }
.theme-toggle { white-space: nowrap; font-weight: 600; }
.current-user { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

/* ---------------- Filter banner (click-to-filter cross-filtering) ---------------- */
.filter-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 24px;
  background: rgba(57, 135, 229, 0.12);
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-primary);
}
.filter-banner #filterBannerText { font-weight: 600; }
.filter-banner #filterBannerText b { color: var(--series-1); }

/* ---------------- Content ---------------- */
.content { flex: 1; padding: 20px 24px 40px; max-width: 1600px; margin: 0 auto; width: 100%; }
.page { display: none; }
.page.active { display: block; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.kpi-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.kpi-value { font-size: 26px; font-weight: 800; font-variant-numeric: tabular-nums; }
.kpi-sub { font-size: 12px; color: var(--success); margin-top: 4px; }

.grid { display: grid; gap: 14px; margin-bottom: 14px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.span-2 { grid-column: span 2; }

@media (max-width: 1100px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
}

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.card-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.card-title-row .card-title { margin-bottom: 0; }
.hint { color: var(--text-muted); font-weight: 400; text-transform: none; margin-left: 6px; }

.export-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.export-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }

.xlsx-icon { flex-shrink: 0; display: inline-block; vertical-align: middle; }
#downloadTemplate { display: inline-flex; align-items: center; gap: 6px; }

.chart-wrap { position: relative; height: 260px; }
.timeline-wrap { height: 340px; }

.callout {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid var(--gridline);
  padding-top: 8px;
}

/* ---------------- Tables ---------------- */
.table-wrap { max-height: 420px; overflow: auto; border-radius: 8px; border: 1px solid var(--gridline); }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
thead th {
  position: sticky;
  top: 0;
  background: var(--thead-bg);
  color: var(--text-secondary);
  text-align: left;
  padding: 8px 10px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.4px;
  border-bottom: 1px solid var(--gridline);
}
tbody td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--gridline);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
tbody tr:hover { background: var(--row-hover); }

.status-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
}
.status-Awarded { background: rgba(12,163,12,0.18); color: var(--status-good); }
.status-Invoiced { background: rgba(57,135,229,0.18); color: var(--series-1); }
.status-Submitted, .status-RFQ, .status-Pending { background: rgba(250,178,25,0.18); color: var(--status-warning); }
.status-Not-Awarded, .status-Cancelled { background: rgba(208,59,59,0.18); color: var(--status-critical); }
.status-In-Progress { background: rgba(144,133,233,0.18); color: var(--series-7); }
.status-On-Hold { background: rgba(236,131,90,0.18); color: var(--status-serious); }

.footer {
  display: flex;
  justify-content: space-between;
  padding: 10px 24px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}