:root {
  --bg: #08111f;
  --bg-accent: #132740;
  --panel: rgba(9, 23, 41, 0.78);
  --panel-strong: rgba(11, 29, 52, 0.94);
  --line: rgba(142, 194, 255, 0.2);
  --text: #ebf4ff;
  --muted: #8ea3bd;
  --gold: #ffca6a;
  --teal: #72f1d4;
  --red: #ff7f7f;
  --blue: #84a6ff;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(70, 136, 217, 0.25), transparent 26%),
    radial-gradient(circle at 20% 20%, rgba(255, 202, 106, 0.1), transparent 18%),
    linear-gradient(180deg, #040914 0%, var(--bg) 45%, #03070e 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.55) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 255, 255, 0.3) 1px, transparent 1px);
  background-size: 120px 120px, 80px 80px;
  background-position: 0 0, 40px 55px;
  opacity: 0.16;
}

.app-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.reference-intro {
  margin-top: 10px;
}

.hero {
  padding: 24px 0 20px;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--gold);
}

.hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2.2rem, 4vw, 4.8rem);
  line-height: 0.95;
}

.lede {
  margin: 18px 0 0;
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.summary {
  grid-column: span 4;
}

.roadmap {
  grid-column: span 4;
}

.systems {
  grid-column: span 4;
}

.star-map {
  grid-column: span 4;
}

.roster,
.ship-guide,
.economy,
.findings,
.scenarios,
.guide,
.executable {
  grid-column: span 6;
}

.overview {
  width: 100%;
}

.planet-roles {
  grid-column: span 6;
}

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

.panel h2 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.overview-copy {
  display: grid;
  gap: 14px;
}

.overview-copy p {
  max-width: none;
}

.summary-grid {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.summary-item strong {
  font-size: 1.6rem;
  color: var(--teal);
}

#sector-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  background: radial-gradient(circle at center, rgba(17, 61, 114, 0.18), rgba(5, 10, 18, 0.92));
  border: 1px solid rgba(132, 166, 255, 0.18);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(142, 194, 255, 0.12);
  text-align: left;
}

th {
  font-weight: 600;
  color: var(--gold);
}

.planet-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.planet-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.ship-guide-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.ship-guide-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.ship-guide-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: rgba(3, 11, 23, 0.9);
  margin-bottom: 14px;
}

.ship-guide-card h3 {
  margin: 0 0 10px;
}

.ship-guide-copy,
.ship-visual-note {
  color: var(--muted);
}

.ship-guide-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.guide-note {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(142, 194, 255, 0.12);
  background: rgba(3, 11, 23, 0.45);
}

.guide-note span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.guide-note strong {
  color: var(--text);
  font-weight: 600;
}

.planet-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.stat-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 6px 0;
  color: var(--muted);
}

.stat-line span:last-child {
  color: var(--text);
}

.finding-list,
.plan-list,
.scenario-list,
.guide-rules,
.exe-summary {
  display: grid;
  gap: 14px;
}

.plan-card,
.guide-card,
.finding-card,
.scenario-card,
.exe-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.finding-card h3,
.plan-card h3,
.guide-card h3,
.scenario-card h3,
.exe-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.finding-card p,
.plan-card p,
.guide-card p,
.scenario-card p,
.exe-card p {
  margin: 0;
}

.plan-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: start;
}

.plan-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  border: 1px solid rgba(132, 166, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--gold);
  font-size: 1.1rem;
}

.guide-card p {
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
}

.tag {
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(132, 166, 255, 0.18);
  color: var(--gold);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.scenario-card .planet-seq {
  margin-top: 12px;
  color: var(--teal);
  font-size: 0.92rem;
}

.scenario-card .scenario-copy {
  margin-top: 10px;
  color: var(--muted);
}

.code-line {
  font-family: "Courier New", monospace;
  font-size: 0.88rem;
  color: var(--teal);
}

.exe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.exe-metric {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(142, 194, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.playable {
  grid-column: span 12;
}

.sandbox-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
}

.sandbox-controls,
.sandbox-economy,
.sandbox-planets,
.sandbox-detail {
  min-width: 0;
}

.sandbox-controls,
.sandbox-planets,
.sandbox-detail {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.sandbox-economy {
  display: block;
}

.control-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.control-field span {
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.control-field select,
.control-actions button,
.build-button {
  width: 100%;
  border: 1px solid rgba(132, 166, 255, 0.22);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(3, 11, 23, 0.9);
  color: var(--text);
  font: inherit;
}

.control-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.control-actions button,
.build-button,
.planet-row {
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.control-actions button:hover,
.build-button:hover,
.planet-row:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 202, 106, 0.45);
}

.control-actions button:disabled,
.build-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.sandbox-status {
  margin-top: 14px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.status-chip {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(142, 194, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.status-chip span,
.detail-line span,
.planet-row span,
.build-button span,
.muted-copy,
.status-copy {
  color: var(--muted);
}

.status-chip strong,
.detail-line strong,
.planet-row strong,
.build-button strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
}

.status-copy {
  margin-top: 12px;
}

.sandbox-planets h3,
.sandbox-detail h3 {
  margin: 0 0 12px;
}

.planet-list,
.queue-list {
  display: grid;
  gap: 10px;
}

.planet-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.planet-row.selected {
  border-color: rgba(255, 202, 106, 0.52);
  background: rgba(255, 202, 106, 0.08);
}

.planet-detail {
  display: grid;
  gap: 12px;
}

.detail-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(142, 194, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.detail-card h3 {
  margin: 0 0 12px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.detail-line {
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(142, 194, 255, 0.12);
  background: rgba(3, 11, 23, 0.5);
}

.build-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.build-button {
  text-align: left;
}

.queue-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(142, 194, 255, 0.12);
  background: rgba(3, 11, 23, 0.5);
}

@media (max-width: 980px) {
  .summary,
  .roadmap,
  .systems,
  .star-map,
  .roster,
  .economy,
  .findings,
  .scenarios,
  .guide,
  .planet-roles,
  .executable,
  .playable {
    grid-column: span 12;
  }

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

.exe-metric strong {
  display: block;
  margin-top: 6px;
  font-size: 1.25rem;
  color: var(--teal);
}

.block-list {
  display: grid;
  gap: 10px;
}

.block-row {
  display: grid;
  grid-template-columns: 110px 1fr 70px;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(142, 194, 255, 0.1);
}

.block-row strong {
  color: var(--gold);
}

.block-row span:last-child {
  text-align: right;
  color: var(--muted);
}

@media (max-width: 980px) {
  .summary,
  .roadmap,
  .star-map,
  .roster,
  .economy,
  .findings,
  .scenarios,
  .guide,
  .executable {
    grid-column: span 12;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

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