:root {
  --bg-top: #09111f;
  --bg-bottom: #020509;
  --panel: rgba(12, 18, 31, 0.74);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #f6f3ec;
  --muted: rgba(246, 243, 236, 0.68);
  --accent-a: #f7dd7a;
  --accent-b: #ffb06a;
  --accent-c: #ff6a3d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 155, 82, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(94, 161, 255, 0.18), transparent 24%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.5px),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.6) 0 1px, transparent 1.5px),
    radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.5px),
    radial-gradient(circle at 35% 80%, rgba(255, 255, 255, 0.75) 0 1px, transparent 1.5px);
  background-size: 260px 260px;
}

.layout {
  position: relative;
  width: min(1580px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 32px;
}

.hero {
  backdrop-filter: blur(16px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  padding: 28px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Arial Rounded MT Bold", "Avenir Next Condensed", "Trebuchet MS", sans-serif;
  font-weight: 700;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.4rem, 4vw, 4.6rem);
  line-height: 0.96;
}

.lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.scene-frame {
  position: relative;
  margin-top: 26px;
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.06), transparent 32%),
    linear-gradient(180deg, rgba(14, 21, 39, 0.7), rgba(4, 7, 12, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#universe {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
}

.scene-overlay {
  position: absolute;
  top: 88px;
  right: 18px;
  display: grid;
  gap: 12px;
  width: min(280px, calc(100% - 36px));
}

.civilization-banner {
  position: absolute;
  top: 18px;
  left: 50%;
  z-index: 3;
  width: min(460px, calc(100% - 180px));
  padding: 14px 18px;
  border-radius: 999px;
  background: rgba(7, 11, 19, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  text-align: center;
  font-size: 0.98rem;
  color: var(--text);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  transform: translateX(-50%);
}

.scene-panel {
  position: absolute;
  z-index: 2;
  border-radius: 18px;
  background: rgba(7, 11, 19, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.scene-panel-left {
  top: 18px;
  left: 18px;
  width: min(288px, calc(100% - 36px));
  padding: 14px 16px;
}

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

.scene-metric {
  min-width: 0;
}

.scene-metric strong,
.overlay-card .overlay-metric strong {
  display: block;
  margin-top: 4px;
  font-family: "Arial Rounded MT Bold", "Avenir Next Condensed", "Trebuchet MS", sans-serif;
  font-size: 1.75rem;
  line-height: 0.95;
}

.scene-panel-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.time-controls-block {
  margin-top: 14px;
}

.time-controls {
  display: inline-flex;
  gap: 8px;
  margin-top: 8px;
}

.time-button {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.time-button.is-active {
  color: var(--text);
  border-color: rgba(247, 221, 122, 0.4);
  background: rgba(247, 221, 122, 0.14);
}

.civilization-banner.is-burn {
  border-color: rgba(255, 132, 72, 0.42);
  box-shadow: 0 16px 40px rgba(255, 132, 72, 0.16);
}

.civilization-banner.is-freeze {
  border-color: rgba(145, 209, 255, 0.42);
  box-shadow: 0 16px 40px rgba(145, 209, 255, 0.16);
}

.civilization-banner.is-rebirth {
  border-color: rgba(247, 221, 122, 0.42);
  box-shadow: 0 16px 40px rgba(247, 221, 122, 0.16);
}

.overlay-card {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(7, 11, 19, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.overlay-card strong {
  display: block;
  margin-top: 2px;
  font-family: "Arial Rounded MT Bold", "Avenir Next Condensed", "Trebuchet MS", sans-serif;
  font-size: 1.3rem;
}

.overlay-card-primary {
  padding-top: 16px;
}

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

.planet-readout {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.planet-readout-title {
  margin: 0 0 8px;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.planet-readout strong {
  display: block;
  margin-top: 0;
}

.planet-readout p:last-child,
.planet-readout p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.overlay-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 2px;
}

.overlay-divider {
  height: 1px;
  margin: 14px 0 12px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.page-header-copy {
  max-width: 760px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-actions-inline {
  margin-bottom: 16px;
  justify-content: flex-start;
}

.replay-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-top: 22px;
}

.replay-field {
  display: grid;
  gap: 8px;
  flex: 1 1 320px;
  min-width: min(320px, 100%);
}

.replay-input {
  min-height: 46px;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
}

.replay-input::placeholder {
  color: rgba(246, 243, 236, 0.42);
}

.replay-input:focus {
  outline: none;
  border-color: rgba(247, 221, 122, 0.42);
  box-shadow: 0 0 0 3px rgba(247, 221, 122, 0.12);
}

.replay-hint {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.overlay-metric {
  min-width: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-decoration: none;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.nav-link:hover,
.time-button:hover {
  color: var(--text);
  border-color: rgba(247, 221, 122, 0.36);
  background: rgba(247, 221, 122, 0.12);
}

.stats-shell {
  display: grid;
  gap: 22px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.stats-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(7, 11, 19, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.stats-card strong {
  display: block;
  margin-top: 8px;
  font-family: "Arial Rounded MT Bold", "Avenir Next Condensed", "Trebuchet MS", sans-serif;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 0.95;
}

.stats-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stats-detail-card {
  min-height: 142px;
}

.stats-detail {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.stats-panel {
  padding: 18px;
}

.stats-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.stats-generated {
  margin: 8px 0 0;
  color: var(--muted);
}

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

.reason-item {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.reason-item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.reason-item-head strong {
  font-size: 1rem;
  line-height: 1.4;
}

.reason-item-head span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(247, 221, 122, 0.12);
  color: var(--accent-a);
  font-family: "Arial Rounded MT Bold", "Avenir Next Condensed", "Trebuchet MS", sans-serif;
}

.reason-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

.epoch-history {
  display: grid;
  gap: 14px;
}

.epoch-record {
  padding: 16px;
  border-radius: 18px;
  background:
    radial-gradient(circle at top right, rgba(255, 176, 106, 0.08), transparent 32%),
    rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.epoch-record-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.epoch-record-head strong {
  margin-top: 2px;
  display: block;
  font-size: 1.45rem;
}

.epoch-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.epoch-record-reason {
  margin: 12px 0 0;
  font-size: 1rem;
}

.epoch-record-host {
  margin: 10px 0 0;
  color: var(--accent-a);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.epoch-planets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.epoch-planet {
  padding: 12px;
  border-radius: 14px;
  background: rgba(7, 11, 19, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.epoch-planet strong {
  display: block;
  font-size: 1rem;
}

.epoch-planet span {
  display: block;
  margin-top: 4px;
  color: var(--accent-a);
}

.epoch-planet p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.epoch-civilizations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.epoch-civilization {
  padding: 12px;
  border-radius: 14px;
  background: rgba(7, 11, 19, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.epoch-civilization strong {
  display: block;
  font-size: 1rem;
}

.epoch-civilization span {
  display: block;
  margin-top: 4px;
  color: var(--accent-a);
}

.epoch-civilization p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.stats-empty {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 1080px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-grid-three {
    grid-template-columns: 1fr;
  }

  .stats-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-header {
    flex-direction: column;
  }

  .page-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .replay-form {
    flex-direction: column;
    align-items: stretch;
  }

  .replay-field {
    min-width: 0;
  }

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

.civilization-death-notice {
  margin: 12px 0 0;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 96, 72, 0.12);
  border: 1px solid rgba(255, 96, 72, 0.22);
  color: #ffd6ce;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.overlay-card p:last-child {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.epoch-ranking {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.epoch-ranking li::marker {
  color: rgba(255, 255, 255, 0.55);
  font-variant-numeric: tabular-nums;
}

.epoch-ranking-empty {
  list-style: none;
  margin-left: -22px;
}

.epoch-ranking strong {
  color: var(--text);
  font-weight: 700;
}

.epoch-ranking p,
.epoch-ranking span {
  display: block;
}

.epoch-ranking p {
  margin: 4px 0 0;
  color: var(--text);
  font-size: 0.88rem;
}

.epoch-ranking span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 1080px) {
  .hero {
    padding: 22px;
  }
}

@media (max-width: 640px) {
  .layout {
    width: min(100vw - 20px, 100%);
    padding: 10px 0 24px;
  }

  .hero {
    border-radius: 22px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .scene-overlay {
    position: static;
    width: 100%;
    margin: 12px 0 0;
  }

  .civilization-banner {
    top: 14px;
    width: min(calc(100% - 24px), 460px);
  }

  .scene-panel-left {
    top: 14px;
    left: 14px;
    width: min(248px, calc(100% - 28px));
    padding: 12px 14px;
  }

  .scene-metrics,
  .overlay-metrics {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .time-controls {
    flex-wrap: wrap;
  }
}