:root {
  --bg: #0b0d10;
  --panel: #14171b;
  --panel-raised: #1b1f24;
  --rule: #262b31;
  --text: #e7e3d8;
  --text-dim: #83898f;
  --accent: #d99a44;
  --accent-dim: #8a6a3e;
  --teal: #5b9c95;
  --danger: #b5564a;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-sans: 'Manrope', system-ui, sans-serif;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-image:
    radial-gradient(circle at 20% -10%, rgba(217, 154, 68, 0.07), transparent 45%),
    radial-gradient(circle at 90% 110%, rgba(91, 156, 149, 0.07), transparent 45%);
}

.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.015),
    rgba(255, 255, 255, 0.015) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 999;
  opacity: 0.5;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.frame {
  width: 100%;
  max-width: 640px;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.6);
}

.titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel-raised);
  border-bottom: 1px solid var(--rule);
}

.titlebar-dots { display: flex; gap: 6px; }
.titlebar-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--rule);
}
.titlebar-dots span:nth-child(1) { background: #6b5a4a; }
.titlebar-dots span:nth-child(2) { background: #5a5442; }
.titlebar-dots span:nth-child(3) { background: #3f5a52; }

.titlebar-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.screen {
  padding: 40px 32px 32px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

/* Boot screen */
.boot-screen {
  justify-content: space-between;
  font-family: var(--font-mono);
}

.boot-log {
  margin: 0;
  font-size: 13px;
  line-height: 1.9;
  color: var(--teal);
  white-space: pre-wrap;
  word-break: break-word;
}

.boot-log .dim { color: var(--text-dim); }
.boot-log .ok { color: var(--accent); }

.boot-cmd {
  color: var(--text);
  margin-bottom: 14px;
}

.boot-prompt {
  margin-top: 16px;
  margin-bottom: 0;
  color: var(--teal);
}

.cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--accent);
  margin-left: 1px;
  transform: translateY(2px);
  animation: blink 0.9s steps(1) infinite;
}

.boot-prompt .cursor { background: var(--teal); }

@keyframes blink {
  50% { opacity: 0; }
}

.boot-unit {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--text-dim);
  margin: 3px 0;
}

.boot-unit-msg {
  white-space: nowrap;
  overflow: hidden;
  color: var(--text-dim);
}

.boot-unit-dots {
  flex: 1;
  border-bottom: 1px dotted var(--rule);
  transform: translateY(-4px);
  min-width: 12px;
}

.boot-unit-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  white-space: nowrap;
}

.boot-unit-tag.show {
  opacity: 1;
  transform: translateY(0);
}

.boot-unit-tag.ok { color: var(--teal); }
.boot-unit-tag.skip { color: var(--text-dim); }
.boot-unit-tag.warn { color: var(--danger); }

.link-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  align-self: flex-end;
  padding: 8px 0;
  text-decoration: none;
}
.link-btn:hover { color: var(--accent); }

/* Intro */
.intro-screen { gap: 4px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 16px;
  text-transform: lowercase;
}

.hero-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.hero-title .accent { color: var(--accent); }

.hero-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 28px;
}

.primary-btn {
  align-self: flex-start;
  background: var(--accent);
  color: #16130c;
  border: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 7px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.primary-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -12px rgba(217, 154, 68, 0.5); }
.primary-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.hero-meta {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.hero-meta strong { color: var(--teal); }

/* Quiz */
.quiz-screen { gap: 22px; }

.quiz-top { display: flex; align-items: center; gap: 14px; }

.quiz-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

.progress-track {
  flex: 1;
  height: 4px;
  background: var(--rule);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.35s ease;
}

.q-text {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
  margin: 4px 0 6px;
  min-height: 92px;
}

.scale-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.scale-btn {
  background: var(--panel-raised);
  border: 1px solid var(--rule);
  border-radius: 8px;
  color: var(--text);
  padding: 14px 4px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease, background 0.15s ease;
}

.scale-num {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
}

.scale-label {
  font-size: 10px;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.25;
}

.scale-btn:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.scale-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.scale-btn.selected { border-color: var(--accent); background: rgba(217, 154, 68, 0.1); }
.scale-btn.selected .scale-label { color: var(--accent); }

.quiz-nav { margin-top: 4px; }

.ghost-btn {
  background: none;
  border: 1px solid var(--rule);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 9px 16px;
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.ghost-btn:hover:not(:disabled) { border-color: var(--accent-dim); color: var(--text); }
.ghost-btn:disabled { opacity: 0.35; cursor: default; }

/* Result */
.result-screen { gap: 4px; }

.result-title {
  font-size: 15px;
  color: var(--text-dim);
  font-weight: 600;
  margin: 0 0 4px;
}

.result-top {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 26px;
}

.result-name {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.result-pct {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--teal);
}

.result-bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
}

.result-row {
  display: grid;
  grid-template-columns: 108px 1fr 48px;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.result-row-name { color: var(--text-dim); }
.result-row.top .result-row-name { color: var(--text); font-weight: 700; }

.result-row-track {
  height: 8px;
  background: var(--rule);
  border-radius: 4px;
  overflow: hidden;
}

.result-row-fill {
  height: 100%;
  background: var(--accent-dim);
  border-radius: 4px;
  width: 0%;
  transition: width 0.6s ease;
}

.result-row.top .result-row-fill { background: var(--accent); }

.result-row-pct {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  text-align: right;
}

.result-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.result-actions .link-btn { align-self: auto; padding: 0; }

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 14px 32px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--accent); }

@media (max-width: 480px) {
  .screen { padding: 28px 20px 24px; }
  .hero-title { font-size: 27px; }
  .scale-row { grid-template-columns: repeat(5, 1fr); gap: 5px; }
  .scale-label { display: none; }
  .scale-btn { padding: 12px 0; }
  .result-row { grid-template-columns: 78px 1fr 40px; gap: 8px; font-size: 12px; }
}