:root {
  --bg: #060606;
  --surface: #111114;
  --surface-2: #16161b;
  --surface-3: #1c1c22;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --fg: #f4f4f6;
  --fg-2: #c2c2c8;
  --fg-3: #8a8a93;
  --fg-4: #5d5d66;
  --accent: #38bdf8;
  --accent-2: #67e8f9;
  --good: #34d399;
  --good-soft: rgba(52, 211, 153, 0.12);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.12);
  --bad: #f87171;
  --bad-soft: rgba(248, 113, 113, 0.12);
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-1: 0 1px 0 rgba(255, 255, 255, 0.02) inset, 0 8px 24px rgba(0, 0, 0, 0.32);
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 8px;
  color: var(--fg);
  background: var(--accent);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  top: 8px;
}

button {
  font-family: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  background-color: rgba(6, 6, 6, 0.85);
}

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

.brand-glyph {
  font-size: 26px;
  color: var(--accent);
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  background: var(--surface-3);
  border-radius: var(--radius-sm);
}

.brand-name {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
}

.brand-tag {
  color: var(--fg-3);
  font-size: 12px;
}

.topbar-pills {
  display: flex;
  gap: 10px;
}

.pill {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-family: var(--mono);
  font-size: 13px;
  background: var(--surface-2);
  color: var(--fg-2);
  white-space: nowrap;
}

.pill-amount {
  color: var(--good);
  border-color: rgba(52, 211, 153, 0.45);
  background: var(--good-soft);
}

.pill-net {
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.08);
}

main {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.rail {
  position: sticky;
  top: 88px;
  align-self: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  max-height: calc(100vh - 120px);
  overflow: auto;
}

.rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--fg-3);
}

.rail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rail-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease, transform 120ms ease;
}

.rail-item:hover {
  border-color: var(--border-strong);
  background: var(--surface-3);
}

.rail-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.rail-item.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
}

.rail-item-state {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-2);
  letter-spacing: 1px;
}

.rail-item-label {
  margin-top: 2px;
  font-size: 13px;
  color: var(--fg);
  line-height: 1.35;
}

.rail-item-meta {
  margin-top: 4px;
  font-size: 11px;
  color: var(--fg-3);
}

.rail-note {
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--fg-3);
  font-size: 11.5px;
  line-height: 1.5;
}

.rail-note strong {
  color: var(--fg-2);
}

.content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-1);
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-head h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--fg-3);
}

.card-sub {
  font-size: 12px;
  color: var(--fg-4);
}

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--fg-4);
  margin-bottom: 4px;
}

.card-summary {
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
}

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.summary-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.meta-row {
  margin-top: 4px;
  color: var(--fg-3);
  font-size: 12.5px;
}

.summary-cta {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-3);
  color: var(--fg);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease;
}

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

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: #001218;
  border-color: var(--accent);
}

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

.btn.copied {
  background: var(--good);
  color: #00120a;
  border-color: var(--good);
}

.headline {
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.06);
  border-left: 3px solid var(--accent);
  color: var(--fg);
  font-size: 14.5px;
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}

.card-stack {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.card-equipment {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.card-sequence {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

.card-watch {
  grid-column: 1 / 3;
  grid-row: 3 / 4;
}

.stack-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 4px;
}

.stack-table th,
.stack-table td {
  padding: 10px 8px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

.stack-table .num {
  text-align: right;
  font-family: var(--mono);
  white-space: nowrap;
}

.stack-table thead th {
  color: var(--fg-4);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.1px;
  font-weight: 600;
}

.stack-table tbody tr.zero td.num {
  color: var(--fg-4);
}

.stack-table tbody tr.zero .program-name {
  color: var(--fg-3);
}

.program-name {
  color: var(--fg);
}

.program-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid;
  vertical-align: 1px;
}

.tag-federal { border-color: rgba(56, 189, 248, 0.4); color: var(--accent-2); background: rgba(56, 189, 248, 0.08); }
.tag-state { border-color: rgba(167, 139, 250, 0.4); color: #c4b5fd; background: rgba(167, 139, 250, 0.08); }
.tag-utility { border-color: rgba(251, 191, 36, 0.4); color: var(--warn); background: var(--warn-soft); }
.tag-mfr { border-color: rgba(52, 211, 153, 0.4); color: var(--good); background: var(--good-soft); }
.tag-zero { border-color: rgba(248, 113, 113, 0.4); color: var(--bad); background: var(--bad-soft); }

.tfoot-total th, .tfoot-total td,
.tfoot-cost th, .tfoot-cost td,
.tfoot-net th, .tfoot-net td {
  padding-top: 12px;
  font-size: 13.5px;
  border-bottom: none;
}

.tfoot-total td {
  color: var(--good);
  font-weight: 600;
}

.tfoot-cost td {
  color: var(--fg-3);
}

.tfoot-net td {
  color: var(--accent);
  font-weight: 700;
  font-size: 15.5px;
}

.tfoot-net th {
  color: var(--fg-2);
}

.rationale-list {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rationale {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  font-size: 12.5px;
}

.rationale-program {
  color: var(--fg-2);
  font-weight: 500;
}

.rationale-text {
  color: var(--fg-3);
  line-height: 1.5;
}

.kv {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 6px 14px;
  margin: 0 0 12px;
  font-size: 13px;
}

.kv dt {
  color: var(--fg-4);
  font-size: 11.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.kv dd {
  margin: 0;
  color: var(--fg);
}

.eq-title {
  margin: 8px 0 6px;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--fg-3);
  font-weight: 600;
}

.equipment-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.equipment-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  font-size: 12.5px;
}

.equipment-item .cost {
  font-family: var(--mono);
  color: var(--fg-2);
  white-space: nowrap;
}

.equipment-item .model {
  color: var(--fg);
}

.equipment-item .category {
  color: var(--fg-4);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.sequence {
  margin: 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12.5px;
  line-height: 1.5;
}

.sequence li::marker {
  color: var(--accent);
  font-weight: 700;
}

.sequence .when {
  color: var(--fg-4);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  display: block;
  margin-bottom: 2px;
}

.sequence .action {
  color: var(--fg-2);
}

.watchout-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.watchout-list li {
  position: relative;
  padding: 8px 10px 8px 28px;
  background: var(--warn-soft);
  border-left: 3px solid var(--warn);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--fg-2);
  line-height: 1.5;
}

.watchout-list li::before {
  content: "!";
  position: absolute;
  left: 10px;
  top: 8px;
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--warn);
  color: #181107;
  font-weight: 700;
  font-size: 10px;
}

.footnote {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-strong);
  font-size: 11px;
  color: var(--fg-4);
  line-height: 1.55;
}

.footer {
  text-align: center;
  padding: 18px 24px 28px;
  color: var(--fg-4);
  font-size: 11.5px;
}

.footer code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--fg-3);
  font-size: 11px;
}

.footer .sep {
  color: var(--fg-4);
  margin: 0 4px;
}

@media (max-width: 1100px) {
  main {
    grid-template-columns: 1fr;
  }
  .rail {
    position: relative;
    top: 0;
    max-height: none;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .card-stack,
  .card-equipment,
  .card-sequence,
  .card-watch {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 600px) {
  main {
    padding: 16px;
    gap: 16px;
  }
  .topbar {
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  .summary-header {
    flex-direction: column;
    align-items: stretch;
  }
  .summary-cta {
    justify-content: flex-end;
  }
  .kv {
    grid-template-columns: 1fr;
  }
  .kv dt {
    margin-top: 4px;
  }
}