/* The Mirror Experiment — dark research aesthetic */
:root {
  --bg: #050811;
  --bg-surface: #0a0f1a;
  --bg-card: #0e1525;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --red: #EA4647;
  --red-glow: rgba(234, 70, 71, 0.15);
  --green: #34D399;
  --amber: #F59E0B;
  --text: #E5E7EB;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  --white: #F9FAFB;
  --narration-border: #7C8FBF;
  --narration-text: #B0BDD4;
  --font-sans: system-ui, -apple-system, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-mono: 'SF Mono', Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  padding: 24px;
  min-height: 100vh;
}

/* Back link */
.back-link {
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
  opacity: 0.6;
  transition: opacity 0.2s;
  position: absolute;
  top: 24px;
  left: 24px;
}
.back-link:hover { opacity: 1; }

/* Header */
.header {
  text-align: center;
  margin: 32px 0 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.header h1 {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.header .research-q {
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--text);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Experiment grid */
.experiment {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

/* Agent panels */
.agent-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  padding: 12px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  transition: opacity 500ms ease;
}
.agent-panel.terminal {
  opacity: 0.3;
  background: rgba(234, 70, 71, 0.03);
}

/* Figure labels */
.figure-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.panel-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.tag {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  letter-spacing: 0.5px;
}
.tag.off { color: var(--red); border-color: rgba(234, 70, 71, 0.3); }
.tag.on { color: var(--green); border-color: rgba(52, 211, 153, 0.3); }

/* Spectrum bar */
.spectrum {
  display: flex;
  gap: 2px;
  margin-bottom: 4px;
  height: 6px;
}
.spectrum .seg {
  flex: 1;
  border-radius: 0;
  background: var(--border-subtle);
  transition: background-color 300ms ease, box-shadow 300ms ease;
}
/* Active segment colors */
.spectrum .seg.active:nth-child(1) { background: var(--green); box-shadow: 0 0 8px rgba(52, 211, 153, 0.2); }
.spectrum .seg.active:nth-child(2) { background: rgba(52, 211, 153, 0.6); box-shadow: 0 0 8px rgba(52, 211, 153, 0.15); }
.spectrum .seg.active:nth-child(3) { background: var(--amber); box-shadow: 0 0 8px rgba(245, 158, 11, 0.2); }
.spectrum .seg.active:nth-child(4) { background: rgba(234, 70, 71, 0.6); box-shadow: 0 0 8px rgba(234, 70, 71, 0.15); }
.spectrum .seg.active:nth-child(5) { background: var(--red); box-shadow: 0 0 8px rgba(234, 70, 71, 0.2); }

.spectrum-labels {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--text-dim);
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

/* Activity log */
.log {
  flex: 1;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-muted);
}
.log-entry {
  padding: 1px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}
.log-entry .ts {
  color: var(--text-dim);
  margin-right: 8px;
}
.log-entry .error {
  color: var(--red);
}
.log-entry .recovery {
  color: var(--green);
  font-style: italic;
}
.log-entry.narration {
  color: var(--narration-text);
  font-style: italic;
  padding-left: 10px;
  border-left: 2px solid var(--narration-border);
  margin: 6px 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
}
.log-entry.breathing {
  color: var(--text-dim);
  font-style: italic;
  animation: breathe-pulse 2s ease-in-out infinite;
}
@keyframes breathe-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

/* Start button */
.start-container {
  text-align: center;
  margin-bottom: 20px;
}
.btn-start {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 12px 40px;
  border: 1px solid var(--text-dim);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 200ms, color 200ms;
}
.btn-start:hover {
  border-color: var(--text);
  color: var(--white);
}
.btn-start:focus-visible {
  outline: 2px solid var(--text-muted);
  outline-offset: 2px;
}

/* Chaos controls */
.controls {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  padding: 12px 16px;
  margin-bottom: 20px;
}
.controls h3 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.btn {
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 6px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  background: var(--bg-surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 200ms, background-color 200ms, color 200ms;
  min-height: 36px;
}
.btn:hover {
  border-color: var(--text-dim);
  color: var(--text);
}
.btn:focus-visible {
  outline: 2px solid var(--text-muted);
  outline-offset: 2px;
}
.btn.active {
  border-color: var(--red);
  background: var(--red-glow);
  color: var(--text);
}
.btn-reset {
  border-color: var(--text-dim);
  margin-left: auto;
}

/* Reflection prompt */
.reflection {
  border: 1px solid var(--border-subtle);
  border-left: 2px solid var(--border-subtle);
  border-radius: 0;
  padding: 24px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto 20px;
  opacity: 0.4;
  transition: opacity 300ms ease, border-left-color 300ms ease;
}
.reflection.resolved {
  opacity: 1;
  border-left-color: var(--text-dim);
}
.reflection p {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.reflection .prompt {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text);
  font-style: italic;
  line-height: 1.6;
}

/* Methodology section */
.methodology {
  max-width: 560px;
  margin: 0 auto 20px;
}
.methodology summary {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
}
.methodology summary::before {
  content: '+ ';
}
.methodology[open] summary::before {
  content: '- ';
}
.methodology .method-body {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 12px 0;
}
.methodology .method-body p {
  margin-bottom: 8px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive: tablet */
@media (max-width: 1023px) {
  .experiment {
    gap: 12px;
  }
  .agent-panel {
    padding: 10px;
  }
  .log {
    font-size: 11px;
  }
}

/* Responsive: mobile */
@media (max-width: 767px) {
  body {
    padding: 16px;
    padding-bottom: 72px;
  }
  .back-link {
    position: static;
    display: block;
    margin-bottom: 12px;
  }
  .experiment {
    grid-template-columns: 1fr;
  }
  .agent-panel {
    min-height: 300px;
  }
  .controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin-bottom: 0;
    padding: 10px 16px;
  }
  .btn {
    min-height: 48px;
    min-width: 64px;
    flex: 1;
  }
}

/* Responsive: small mobile */
@media (max-width: 479px) {
  .header h1 { font-size: 14px; }
  .header .research-q { font-size: 15px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .log-entry.breathing { animation: none; opacity: 0.5; }
  .spectrum .seg { transition: none; }
  .reflection { transition: none; }
  .agent-panel { transition: none; }
  .btn { transition: none; }
}