:root {
  --sf-bg: #06080b;
  --sf-panel: #0b0f14;
  --sf-panel-raised: #101720;
  --sf-line: rgba(149, 177, 199, 0.18);
  --sf-text: #dce8ef;
  --sf-muted: #8193a0;
  --sf-cyan: #27d8d0;
  --sf-green: #68e09a;
  --sf-amber: #ffb54a;
  --sf-red: #ff6174;
  --sf-violet: #b49cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--sf-text);
  background:
    radial-gradient(circle at 55% 26%, rgba(39, 216, 208, 0.07), transparent 27rem),
    linear-gradient(rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.016) 1px, transparent 1px),
    var(--sf-bg);
  background-size: auto, 32px 32px, 32px 32px, auto;
  font-family: var(--font-sans, Inter, system-ui, sans-serif);
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.topbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 22px;
  border-bottom: 1px solid var(--sf-line);
  background: rgba(4, 6, 9, 0.92);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--sf-text);
  text-decoration: none;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.brand-mark {
  color: var(--sf-cyan);
}

.breadcrumb,
.boundary-chip,
.eyebrow,
footer {
  font-family: var(--font-mono, monospace);
  letter-spacing: 0.09em;
}

.breadcrumb {
  color: var(--sf-muted);
  font-size: 9px;
}

.boundary-chip {
  margin-left: auto;
  color: var(--sf-green);
  border: 1px solid rgba(104, 224, 154, 0.35);
  padding: 6px 9px;
  font-size: 9px;
}

.boundary-chip span {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--sf-green);
  box-shadow: 0 0 10px var(--sf-green);
}

.foundry-shell {
  min-height: calc(100vh - 86px);
  display: grid;
  grid-template-columns: 292px minmax(480px, 1fr) 304px;
}

.puzzle-rail,
.evidence-rail {
  padding: 24px 20px;
  background: rgba(7, 10, 14, 0.78);
}

.puzzle-rail {
  border-right: 1px solid var(--sf-line);
}

.evidence-rail {
  border-left: 1px solid var(--sf-line);
}

.eyebrow {
  color: var(--sf-cyan);
  font-size: 9px;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: var(--font-display, Inter, sans-serif);
  margin: 0;
}

h1 {
  margin-top: 7px;
  font-size: 25px;
  letter-spacing: -0.025em;
}

.lede,
#puzzle-description {
  color: var(--sf-muted);
  line-height: 1.55;
  font-size: 12px;
}

.puzzle-list {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.puzzle-card {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--sf-line);
  background: rgba(255, 255, 255, 0.015);
  cursor: pointer;
}

.puzzle-card:hover,
.puzzle-card.active {
  border-color: rgba(39, 216, 208, 0.55);
  background: rgba(39, 216, 208, 0.055);
}

.puzzle-card:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

.puzzle-index {
  color: var(--sf-cyan);
  font-family: var(--font-mono, monospace);
  font-size: 10px;
}

.puzzle-name {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.035em;
}

.puzzle-district {
  display: block;
  margin-top: 3px;
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
}

.puzzle-state {
  color: var(--sf-amber);
  font-family: var(--font-mono, monospace);
  font-size: 7px;
}

.boundary-panel,
.red-boundary {
  margin-top: 22px;
  border: 1px solid var(--sf-line);
  background: rgba(255, 255, 255, 0.018);
}

summary {
  cursor: pointer;
  padding: 12px;
  color: var(--sf-text);
  font-family: var(--font-mono, monospace);
  font-size: 9px;
  letter-spacing: 0.06em;
}

details p {
  padding: 0 12px 12px;
  margin: 0;
  color: var(--sf-muted);
  font-size: 10px;
  line-height: 1.55;
}

.halt-copy {
  color: var(--sf-red);
}

.forge-floor {
  min-width: 0;
  padding: 24px clamp(20px, 4vw, 52px) 38px;
}

.mission-header,
.workbench-header,
.receipt-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.mission-header h2 {
  margin-top: 5px;
  font-size: 30px;
}

.mission-header p {
  margin-bottom: 0;
}

.status-badge {
  color: var(--sf-amber);
  border: 1px solid rgba(255, 181, 74, 0.35);
  padding: 7px 9px;
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  white-space: nowrap;
}

.status-badge.complete {
  color: var(--sf-green);
  border-color: rgba(104, 224, 154, 0.4);
}

.claim-strip {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 9px 11px;
  border-left: 2px solid var(--sf-cyan);
  background: rgba(39, 216, 208, 0.045);
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  letter-spacing: 0.055em;
}

.claim-strip strong {
  color: var(--sf-cyan);
}

.forge-map {
  min-height: 240px;
  margin: 24px 0;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  align-items: center;
  border: 1px solid var(--sf-line);
  background: linear-gradient(135deg, rgba(16, 23, 32, 0.72), rgba(7, 10, 14, 0.3));
  padding: 22px;
  overflow: hidden;
}

.forge-core {
  position: relative;
  width: 150px;
  height: 150px;
  display: grid;
  place-items: center;
}

.core-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(39, 216, 208, 0.35);
  border-radius: 50%;
}

.ring-a {
  animation: rotate 18s linear infinite;
  border-style: dashed;
}

.ring-b {
  inset: 22px;
  border-color: rgba(180, 156, 255, 0.4);
  animation: rotate 12s linear infinite reverse;
}

.core-glyph {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  border: 1px solid var(--sf-cyan);
  color: var(--sf-cyan);
  background: rgba(39, 216, 208, 0.07);
  font-family: var(--font-mono, monospace);
  font-size: 22px;
  box-shadow: 0 0 38px rgba(39, 216, 208, 0.12);
  transform: rotate(45deg);
}

.core-glyph::first-letter {
  transform: rotate(-45deg);
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

.sequence-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(85px, 1fr));
  gap: 8px;
}

.sequence-node {
  min-height: 68px;
  padding: 9px;
  border: 1px solid var(--sf-line);
  background: rgba(0, 0, 0, 0.2);
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  line-height: 1.35;
}

.sequence-node.complete {
  color: var(--sf-green);
  border-color: rgba(104, 224, 154, 0.5);
  background: rgba(104, 224, 154, 0.045);
}

.sequence-node span {
  display: block;
  margin-bottom: 5px;
  opacity: 0.62;
}

.workbench-header {
  align-items: center;
  margin-bottom: 12px;
}

.workbench-header h3 {
  margin-top: 4px;
  font-size: 16px;
}

.mode-switch {
  display: flex;
  border: 1px solid var(--sf-line);
}

.mode {
  border: 0;
  padding: 6px 9px;
  background: transparent;
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  cursor: pointer;
}

.mode.active {
  color: #041011;
  background: var(--sf-cyan);
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.action-button {
  min-height: 74px;
  padding: 12px;
  text-align: left;
  border: 1px solid var(--sf-line);
  background: var(--sf-panel);
  cursor: pointer;
}

.action-button:hover:not(:disabled) {
  border-color: var(--sf-cyan);
  transform: translateY(-1px);
}

.action-button:disabled {
  opacity: 0.42;
  cursor: default;
}

.action-button.done {
  border-color: rgba(104, 224, 154, 0.45);
  background: rgba(104, 224, 154, 0.035);
  opacity: 1;
}

.action-button strong,
.action-button small {
  display: block;
}

.action-button strong {
  font-size: 11px;
}

.action-button small {
  margin-top: 5px;
  color: var(--sf-muted);
  font-size: 9px;
  line-height: 1.4;
}

.feedback {
  min-height: 34px;
  margin: 12px 0 0;
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 9px;
}

.feedback.success {
  color: var(--sf-green);
}

.feedback.error {
  color: var(--sf-red);
}

.red-boundary {
  border-color: rgba(255, 97, 116, 0.22);
}

.boundary-actions {
  display: flex;
  gap: 8px;
  padding: 0 12px 12px;
}

.boundary-actions button {
  border: 1px solid rgba(255, 97, 116, 0.35);
  background: rgba(255, 97, 116, 0.04);
  color: var(--sf-red);
  padding: 7px 9px;
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  cursor: pointer;
}

.evidence-rail section {
  padding: 0 0 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--sf-line);
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 10px;
}

.score {
  min-width: 0;
  padding: 9px 7px;
  border: 1px solid var(--sf-line);
  background: rgba(255, 255, 255, 0.018);
}

.score span {
  display: block;
  overflow: hidden;
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 7px;
}

.score strong {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono, monospace);
  font-size: 18px;
}

.builder strong {
  color: var(--sf-violet);
}

.adversary strong {
  color: var(--sf-amber);
}

.verifier strong {
  color: var(--sf-green);
}

.recipe-panel label {
  display: block;
  margin: 10px 0 5px;
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 7px;
}

.recipe-panel input {
  width: 100%;
  border: 1px solid var(--sf-line);
  background: #05070a;
  color: var(--sf-text);
  padding: 8px;
  font-family: var(--font-mono, monospace);
  font-size: 9px;
}

.recipe-actions,
.receipt-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}

.recipe-actions button,
.receipt-actions button {
  border: 1px solid var(--sf-line);
  background: var(--sf-panel-raised);
  padding: 7px;
  color: var(--sf-text);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  cursor: pointer;
}

.recipe-actions button:disabled,
.receipt-actions button:disabled {
  opacity: 0.35;
  cursor: default;
}

.recipe-panel p,
.repair-lock p {
  color: var(--sf-muted);
  font-size: 9px;
  line-height: 1.5;
}

#receipt-state {
  color: var(--sf-amber);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
}

.receipt-hash {
  margin-top: 10px;
  min-height: 48px;
  padding: 9px;
  overflow-wrap: anywhere;
  border: 1px dashed var(--sf-line);
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
  line-height: 1.45;
}

.repair-lock strong {
  display: block;
  margin-top: 8px;
  color: var(--sf-amber);
  font-family: var(--font-mono, monospace);
  font-size: 9px;
}

.leaderboard {
  padding: 0;
  margin: 10px 0 0;
  list-style: none;
}

.leaderboard li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--sf-muted);
  font-family: var(--font-mono, monospace);
  font-size: 8px;
}

.leaderboard strong {
  color: var(--sf-cyan);
}

footer {
  min-height: 32px;
  display: grid;
  place-items: center;
  padding: 7px 16px;
  border-top: 1px solid var(--sf-line);
  color: var(--sf-muted);
  background: #040609;
  text-align: center;
  font-size: 8px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1120px) {
  .foundry-shell {
    grid-template-columns: 230px 1fr;
  }

  .evidence-rail {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    border-top: 1px solid var(--sf-line);
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .topbar {
    padding: 0 14px;
  }

  .breadcrumb {
    display: none;
  }

  .boundary-chip {
    font-size: 7px;
  }

  .foundry-shell {
    display: block;
  }

  .puzzle-rail,
  .evidence-rail {
    border: 0;
    border-bottom: 1px solid var(--sf-line);
  }

  .puzzle-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .forge-floor {
    padding: 20px 14px 30px;
  }

  .mission-header h2 {
    font-size: 24px;
  }

  .claim-strip,
  .mission-header {
    display: block;
  }

  .status-badge {
    display: inline-block;
    margin-top: 12px;
  }

  .claim-strip strong {
    display: block;
    margin-top: 5px;
  }

  .forge-map {
    grid-template-columns: 1fr;
  }

  .forge-core {
    margin: 0 auto;
  }

  .sequence-map,
  .action-grid {
    grid-template-columns: 1fr;
  }

  .evidence-rail {
    display: block;
  }
}