:root {
  color-scheme: dark;
  --bg: #05070a;
  --panel: rgba(9, 14, 18, 0.86);
  --panel-strong: rgba(12, 19, 24, 0.94);
  --panel-soft: rgba(16, 22, 24, 0.74);
  --line: rgba(165, 214, 207, 0.18);
  --line-strong: rgba(193, 235, 225, 0.35);
  --text: #eef8f3;
  --muted: #9ab0a9;
  --faint: #6d817c;
  --cyan: #5fe4d8;
  --green: #9ee26f;
  --amber: #f3bd58;
  --red: #ee6d5f;
  --steel: #8da4b8;
  --shadow: rgba(0, 0, 0, 0.38);
  font-family: "Exo 2", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.98), rgba(5, 7, 10, 0.72) 42%, rgba(5, 7, 10, 0.92)),
    linear-gradient(180deg, rgba(2, 4, 5, 0.14), rgba(2, 4, 5, 0.94)),
    url("assets/nexus-starmap.png") center / cover no-repeat;
}

.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}

.app-shell {
  width: min(1500px, calc(100vw - 32px));
  min-height: calc(100vh - 32px);
  margin: 16px auto;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
}

.topbar {
  min-height: 76px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(13, 19, 23, 0.92), rgba(15, 17, 13, 0.82));
  box-shadow: 0 18px 60px var(--shadow);
  backdrop-filter: blur(18px);
}

.brand-block {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 13px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid rgba(95, 228, 216, 0.56);
  border-radius: 8px;
  background:
    radial-gradient(circle at 68% 32%, var(--amber) 0 5px, transparent 6px),
    conic-gradient(from 110deg, rgba(95, 228, 216, 0.8), rgba(158, 226, 111, 0.1), rgba(243, 189, 88, 0.7), rgba(95, 228, 216, 0.8));
  box-shadow: 0 0 28px rgba(95, 228, 216, 0.28);
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--amber);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
}

h1 {
  font-family: "Orbitron", "Exo 2", sans-serif;
  font-size: clamp(1.28rem, 2.4vw, 2rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.18rem, 2vw, 1.72rem);
  font-weight: 700;
}

h3 {
  font-size: 1rem;
  font-weight: 700;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.status-strip span,
.metric-pill,
.tag {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.22);
}

.status-strip span {
  padding: 7px 10px;
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr);
  gap: 14px;
}

.rail {
  align-self: start;
  position: sticky;
  top: 16px;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 60px var(--shadow);
  backdrop-filter: blur(18px);
}

.nav-tab {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  text-align: left;
}

.nav-tab:hover,
.nav-tab:focus-visible {
  color: var(--text);
  border-color: var(--line);
  outline: none;
}

.nav-tab.active {
  color: var(--text);
  border-color: rgba(95, 228, 216, 0.45);
  background: linear-gradient(90deg, rgba(95, 228, 216, 0.16), rgba(243, 189, 88, 0.08));
}

.tab-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
}

.view {
  display: none;
  min-width: 0;
}

.view.active {
  display: block;
}

.view-head {
  min-height: 74px;
  margin-bottom: 14px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 60px var(--shadow);
  backdrop-filter: blur(18px);
}

.metric-pill {
  min-width: 132px;
  padding: 9px 11px;
  display: grid;
  gap: 2px;
}

.metric-pill span {
  color: var(--faint);
  font-size: 0.78rem;
}

.metric-pill strong {
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.96rem;
}

.route-grid {
  display: grid;
  grid-template-columns: minmax(340px, 1.15fr) minmax(280px, 0.85fr);
  gap: 14px;
}

.firm-route-panel {
  margin-top: 14px;
}

.route-controls {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.route-note {
  margin: -4px 0 14px;
  color: var(--muted);
  line-height: 1.45;
}

.firm-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.summary-card.good strong {
  color: var(--green);
}

.summary-card.warn strong {
  color: var(--amber);
}

.route-panel {
  grid-row: span 2;
}

.panel {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 60px var(--shadow);
  backdrop-filter: blur(18px);
}

.panel-title {
  min-height: 30px;
  margin-bottom: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tag {
  padding: 4px 8px;
  color: var(--cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag.warn {
  color: var(--amber);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.timeline li {
  position: relative;
  min-height: 64px;
  padding: 12px 12px 12px 52px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.timeline li::before {
  content: attr(data-step);
  position: absolute;
  left: 12px;
  top: 12px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  border: 1px solid rgba(95, 228, 216, 0.34);
  color: var(--cyan);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
}

.timeline strong,
.priority-title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}

.timeline span,
.priority-card span,
.locked-card p,
.note {
  color: var(--muted);
  line-height: 1.45;
}

.summary-grid,
.kpi-grid,
.gap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.summary-card,
.kpi-card,
.priority-card,
.route-card,
.tech-card,
.note-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.summary-card,
.kpi-card {
  min-height: 84px;
  padding: 12px;
}

.summary-card span,
.kpi-card span {
  display: block;
  color: var(--faint);
  font-size: 0.78rem;
}

.summary-card strong,
.kpi-card strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(1rem, 2vw, 1.35rem);
  overflow-wrap: anywhere;
}

.priority-stack,
.route-cards,
.tech-list,
.notes-list {
  display: grid;
  gap: 10px;
}

.priority-card,
.route-card,
.tech-card,
.note-card {
  padding: 12px;
}

.calc-layout,
.research-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.control-panel {
  display: grid;
  gap: 13px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.checkbox-label {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
}

.checkbox-label input {
  width: 18px;
  min-height: 18px;
}

input,
select {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(2, 5, 7, 0.82);
  outline: none;
}

input:focus,
select:focus {
  border-color: rgba(95, 228, 216, 0.72);
  box-shadow: 0 0 0 3px rgba(95, 228, 216, 0.11);
}

input[type="range"] {
  padding: 0;
  accent-color: var(--cyan);
}

input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.range-readout {
  color: var(--cyan);
  font-family: "JetBrains Mono", monospace;
}

.split-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.result-panel {
  min-height: 460px;
}

.table-shell {
  max-height: 510px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 0.84rem;
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid rgba(165, 214, 207, 0.12);
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--amber);
  background: rgba(7, 12, 15, 0.96);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
}

tr.highlight {
  background: rgba(95, 228, 216, 0.09);
}

tr.target {
  background: rgba(158, 226, 111, 0.1);
}

.search-box {
  width: min(320px, 100%);
}

.route-card header,
.tech-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.route-card h4,
.tech-card h4 {
  margin: 0;
  font-size: 0.98rem;
}

.route-card ul,
.tech-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.tech-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.tech-meta span {
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--steel);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
}

.gap-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.locked-card {
  min-height: 190px;
}

.locked-card p {
  margin: 0;
}

.error-box {
  padding: 12px;
  border: 1px solid rgba(238, 109, 95, 0.5);
  border-radius: 8px;
  color: #ffd2cb;
  background: rgba(88, 25, 19, 0.35);
}

@media (max-width: 1100px) {
  .workspace,
  .calc-layout,
  .research-layout,
  .route-grid {
    grid-template-columns: 1fr;
  }

  .route-controls,
  .firm-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rail {
    position: static;
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .nav-tab {
    justify-content: center;
  }

  .nav-tab span:last-child {
    display: none;
  }

  .gap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 20px, 1500px);
    margin: 10px auto;
  }

  .topbar,
  .view-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .status-strip {
    justify-content: flex-start;
  }

  .rail {
    grid-template-columns: repeat(6, minmax(44px, 1fr));
    padding: 8px;
  }

  .summary-grid,
  .kpi-grid,
  .gap-grid,
  .route-controls,
  .firm-summary,
  .split-controls {
    grid-template-columns: 1fr;
  }

  .panel,
  .view-head {
    padding: 12px;
  }

  h1 {
    font-size: 1.25rem;
  }

  h2 {
    font-size: 1.12rem;
  }
}