:root {
  --bg: #0b0d0c;
  --bg-raised: #121512;
  --fg: #d8e8dc;
  --muted: #7c8f81;
  --accent: #5ee39a;
  --accent-dim: #2b6b4c;
  --danger: #e3705e;
  --border: #223226;
  --mono: "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  min-height: 100vh;
}

#app {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  padding-bottom: 64px;
}

.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: rgba(11, 13, 12, 0.9);
  backdrop-filter: blur(4px);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.footer-name {
  color: var(--muted);
  text-transform: uppercase;
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
  border: 1px solid var(--accent-dim);
  padding: 6px 12px;
  border-radius: 3px;
  transition: background 0.15s, color 0.15s;
}

.footer-link:hover {
  background: var(--accent);
  color: #04140c;
}

.screen {
  width: 100%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

h1, h2 {
  font-size: 22px;
  line-height: 1.35;
  margin: 0;
  letter-spacing: 0.02em;
}

p {
  margin: 0;
  line-height: 1.55;
  color: var(--fg);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

.question {
  font-size: 16px;
  font-weight: 600;
  margin-top: 6px;
}

button {
  font-family: var(--mono);
  cursor: pointer;
}

.primary, .secondary {
  border-radius: 3px;
  padding: 14px 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--accent-dim);
  background: transparent;
  color: var(--accent);
  transition: background 0.15s, color 0.15s;
  align-self: flex-start;
}

.primary:hover {
  background: var(--accent);
  color: #04140c;
}

.secondary {
  border-color: var(--border);
  color: var(--muted);
}

.secondary:hover {
  border-color: var(--muted);
  color: var(--fg);
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.slop-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--danger);
  padding: 18px;
  border-radius: 3px;
}

.slop-headline {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
}

.slop-headline.small {
  font-size: 15px;
}

.slop-body {
  color: var(--muted);
  font-size: 14px;
}

.chain {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.chain-step {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 3px;
  font-size: 14px;
  width: 100%;
}

.chain-arrow {
  color: var(--muted);
  padding-left: 14px;
  font-size: 14px;
}

.compare {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compare-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 3px;
}

.label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.choice {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 12px 14px;
  border-radius: 3px;
  transition: border-color 0.15s, background 0.15s;
}

.choice:hover {
  border-color: var(--accent-dim);
  background: #16241a;
}

.choice.selected {
  border-color: var(--accent);
  background: #16241a;
}

.choice-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.choice-desc {
  font-size: 14px;
  color: var(--fg);
}

.choice-letter {
  font-weight: 700;
  color: var(--accent);
  margin-right: 6px;
}

.code-pill {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.05em;
  background: #0f1b13;
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 3px;
  align-self: flex-start;
}

.feedback-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 16px;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.text-input {
  font-family: var(--mono);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 12px 14px;
  border-radius: 3px;
  font-size: 14px;
  width: 100%;
}

.text-input:focus {
  outline: none;
  border-color: var(--accent);
}

.drift-chain {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.drift-step {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: 3px;
}

.ai-label {
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #04140c;
  background: var(--accent);
  padding: 4px 10px;
  border-radius: 3px;
  font-weight: 700;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--accent);
  font-size: 14px;
}

.integrity-score {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.concepts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.concept {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 3px;
}

.concept p {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 480px) {
  .concepts {
    grid-template-columns: 1fr;
  }
}

.about-screen {
  max-width: 640px;
  padding: 48px 0 24px;
  gap: 32px;
}

.about-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-play-link {
  display: inline-block;
  text-decoration: none;
  align-self: flex-start;
}