:root {
  color-scheme: light;
  --bg: #f5f3f0;
  --ink: #1b1c20;
  --muted: #6a6f7a;
  --vend-burgundy: #7a2822;
  --vend-burgundy-dark: #5a1e18;
  --vend-burgundy-light: #9a483f;
  --accent: #7a2822;
  --accent-2: #5a1e18;
  --card: #ffffff;
  --stroke: rgba(27, 28, 32, 0.1);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  --sans: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(circle at top left, #f9f5f4 0%, #f5f3f0 35%, #faf8f7 100%);
  color: var(--ink);
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

/* ── Tab bar ─────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--stroke);
  padding-bottom: 0;
}

.tab {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}

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

.tab.active {
  color: var(--accent-2);
  border-bottom-color: var(--accent-2);
}

.tab-content {
  display: none;
}

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

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  display: flex;
  gap: 24px;
  align-items: stretch;
  justify-content: space-between;
  flex-wrap: wrap;
}

.hero-content {
  flex: 1;
  min-width: 300px;
}

.logo-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.vend-logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--vend-burgundy);
  font-weight: 600;
  margin: 0 0 8px;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 54px);
  margin: 0 0 12px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 420px;
}

.hero-card {
  background: var(--card);
  border-radius: 20px;
  padding: 20px 24px;
  display: grid;
  gap: 16px;
  min-width: 260px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--stroke);
}

.metric span {
  font-size: 24px;
  font-weight: 600;
  display: block;
}

.metric label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ── Branding ─────────────────────────────────────────────── */
.eyebrow::before {
  content: "CIO Office Tech · ";
  color: var(--accent-2);
  font-weight: 600;
}

/* ── Match rate bar ───────────────────────────────────────── */
.match-rate-bar {
  display: flex;
  gap: 20px;
  align-items: center;
  margin: 20px 0 0;
  padding: 12px 18px;
  background: var(--card);
  border-radius: 14px;
  border: 1px solid var(--stroke);
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
}

.match-rate-bar .rate-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--stroke);
}

.match-rate-bar .rate-pill.good {
  color: #fff;
  background: var(--vend-burgundy);
  border-color: var(--vend-burgundy);
}
.match-rate-bar .rate-pill.warn { color: var(--accent); border-color: var(--accent); }

/* ── Export bar ───────────────────────────────────────────── */
.export-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.btn-export {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--accent-2);
  background: transparent;
  color: var(--accent-2);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: background 0.2s, color 0.2s;
}

.btn-export:hover {
  background: var(--accent-2);
  color: #fff;
}

/* ── Controls ─────────────────────────────────────────────── */
.controls {
  display: grid;
  grid-template-columns: minmax(200px, 1.4fr) repeat(auto-fill, minmax(120px, 1fr));
  gap: 16px;
  margin: 16px 0 12px;
  align-items: end;
}

.controls label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.controls input,
.controls select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  font-family: var(--sans);
  font-size: 14px;
  background: var(--card);
}

.toggle-inline {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 2px;
  color: var(--muted);
  font-size: 14px;
}

.toggle-inline input {
  width: auto;
  margin: 0;
}

/* ── Layout ───────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 24px;
}

.vendor-list,
.vendor-details {
  background: var(--card);
  border-radius: 22px;
  padding: 20px;
  border: 1px solid var(--stroke);
  box-shadow: 0 18px 30px rgba(27, 28, 32, 0.06);
}

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

.list-header h2 {
  margin: 0;
  font-size: 20px;
}

.list {
  display: grid;
  gap: 12px;
  max-height: 640px;
  overflow-y: auto;
}

.vendor-card {
  border-radius: 16px;
  border: 1px solid transparent;
  padding: 12px 14px;
  display: grid;
  gap: 6px;
  cursor: pointer;
  transition: border 0.2s ease, transform 0.2s ease;
}

.vendor-card:hover {
  border: 1px solid var(--accent);
  transform: translateY(-2px);
}

.vendor-card.active {
  border: 1px solid var(--accent);
  background: rgba(255, 122, 89, 0.08);
}

.vendor-card h3 {
  margin: 0;
  font-size: 16px;
}

.vendor-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.vendor-tag {
  border-radius: 999px;
  border: 1px solid var(--stroke);
  padding: 2px 8px;
  font-size: 10px;
  font-family: var(--sans);
  color: var(--muted);
  background: var(--card);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-left: 4px;
}

.vendor-tag.unmatched {
  color: #7d503f;
}

.vendor-tag.counterparty_only {
  color: #4a5f77;
}

.vendor-tag.pinned-tag {
  color: var(--accent-2);
  border-color: var(--accent-2);
}

.vendor-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.vendor-spend {
  font-weight: 600;
}

/* ── Details ──────────────────────────────────────────────── */
.details-empty {
  color: var(--muted);
  font-size: 16px;
  padding: 40px 12px;
}

.details-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.details-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.details-header h2 {
  margin: 0 0 8px;
}

.details-org {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.btn-pin {
  font-family: var(--sans);
  font-size: 18px;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1.5px solid var(--stroke);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-pin:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.btn-pin.pinned {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
}

.btn-unpin {
  font-family: var(--sans);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-unpin:hover {
  background: var(--accent);
  color: #fff;
}

.details-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 16px;
}

.details-metrics span {
  font-size: 20px;
  font-weight: 600;
}

.details-metrics label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ── Contract section ─────────────────────────────────────── */
.contract-section {
  border-top: 1px solid var(--stroke);
  padding-top: 14px;
  margin-bottom: 12px;
}

.contract-section h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.contract-info {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.contract-info .contract-item {
  padding: 4px 0;
}

/* ── YoY indicator ───────────────────────────────────────── */
.yoy-indicator {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 6px;
}

.yoy-indicator.up {
  color: #c0392b;
  background: rgba(192, 57, 43, 0.1);
}

.yoy-indicator.down {
  color: var(--accent-2);
  background: rgba(31, 138, 112, 0.1);
}

.yoy-indicator.flat {
  color: var(--muted);
  background: rgba(106, 111, 122, 0.08);
}

/* ── Chart section ────────────────────────────────────────── */
.chart-section {
  border-top: 1px solid var(--stroke);
  padding-top: 16px;
  margin-bottom: 16px;
}

.chart-section h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.chart-section canvas {
  width: 100%;
  display: block;
}

/* ── Invoice table ────────────────────────────────────────── */
.details-table {
  border-top: 1px solid var(--stroke);
  padding-top: 16px;
}

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

.table-legend {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot.paid {
  background: var(--accent-2);
}

.dot.unpaid {
  background: var(--accent);
}

.dot.unknown {
  background: #c0c4cf;
}

.table {
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
}

.invoice-group-header {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 6px 2px 0;
}

.invoice-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f9f7f4;
  border: 1px solid var(--stroke);
  font-family: var(--mono);
  font-size: 12px;
}

.invoice-row span {
  display: block;
}

.invoice-main {
  display: grid;
  gap: 4px;
}

.invoice-primary {
  font-weight: 600;
}

.invoice-meta {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
  word-break: break-word;
}

.invoice-link {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--accent-2);
  text-decoration: none;
  width: fit-content;
}

.invoice-link:hover {
  text-decoration: underline;
}

.invoice-link.disabled {
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-family: var(--sans);
  background: #fff;
  border: 1px solid var(--stroke);
}

.badge.paid {
  color: #fff;
  background: var(--vend-burgundy);
  border-color: var(--vend-burgundy);
}

.badge.unpaid {
  color: var(--accent);
}

.badge.unknown {
  color: #707786;
}

/* ── Dashboard ────────────────────────────────────────────── */
.dash-controls {
  display: flex;
  gap: 16px;
  margin: 20px 0;
  align-items: flex-end;
}

.dash-controls .filters {
  min-width: 140px;
}

.dash-controls label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.dash-controls select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  font-family: var(--sans);
  font-size: 14px;
  background: var(--card);
}

.dash-layout {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 360px);
  gap: 24px;
}

.dash-chart-section {
  background: var(--card);
  border-radius: 22px;
  padding: 20px;
  border: 1px solid var(--stroke);
  box-shadow: 0 18px 30px rgba(27, 28, 32, 0.06);
}

.dash-chart-section h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.dash-chart-section canvas {
  width: 100%;
  display: block;
}

.dash-vendor-list {
  background: var(--card);
  border-radius: 22px;
  padding: 20px;
  border: 1px solid var(--stroke);
  box-shadow: 0 18px 30px rgba(27, 28, 32, 0.06);
}

.dash-empty {
  color: var(--muted);
  font-size: 14px;
  padding: 30px 12px;
}

/* ── Vendor Name Analysis ─────────────────────────────────── */
.vna-table-section {
  background: var(--card);
  border-radius: 22px;
  padding: 20px;
  border: 1px solid var(--stroke);
  box-shadow: 0 18px 30px rgba(27, 28, 32, 0.06);
  margin-top: 16px;
}

.vna-table-header {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 1.5fr 1.5fr 0.4fr;
  gap: 12px;
  padding: 10px 14px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid var(--stroke);
  font-weight: 600;
}

.vna-table {
  max-height: 600px;
  overflow-y: auto;
}

.vna-row {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 1.5fr 1.5fr 0.4fr;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(27, 28, 32, 0.04);
  font-size: 13px;
  align-items: center;
  transition: background 0.15s;
}

.vna-row:hover {
  background: rgba(31, 138, 112, 0.03);
}

.vna-col-vendor {
  font-weight: 500;
}

.vna-col-vendor.unmatched {
  color: var(--muted);
}

.vna-col-account {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.vna-col-ic,
.vna-col-dim {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.vna-col-invoices {
  font-family: var(--mono);
  font-size: 12px;
  text-align: right;
  color: var(--muted);
}

.vna-dim-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vna-dim-tag.ic {
  background: rgba(31, 138, 112, 0.1);
  color: #15664f;
  border: 1px solid rgba(31, 138, 112, 0.2);
}

.vna-dim-tag.vendor {
  background: rgba(74, 144, 217, 0.1);
  color: #2a6cb5;
  border: 1px solid rgba(74, 144, 217, 0.2);
}

.vna-dim-count {
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0.7;
}

.vna-dim-none {
  color: var(--muted);
  font-size: 12px;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .controls {
    grid-template-columns: 1fr;
  }

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

  .dash-layout {
    grid-template-columns: 1fr;
  }

  .invoice-row {
    grid-template-columns: 1fr 1fr;
  }
}