:root {
  --paper: #F7F1E4;
  --paper-line: #DCCEAE;
  --ink: #26313F;
  --ink-soft: #5B6472;
  --focus-green: #6B8F71;
  --distract-amber: #C98A3A;
  --disrupt-rust: #B5563C;
  --card: #FFFDF8;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  background-image: repeating-linear-gradient(
    to bottom, transparent, transparent 41px, var(--paper-line) 42px
  );
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.masthead {
  margin-bottom: 40px;
}

.eyebrow {
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 2.6rem;
  margin: 4px 0 8px;
  font-optical-sizing: auto;
}

.tagline {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 0;
  max-width: 46ch;
}

.entry {
  background: var(--card);
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  padding: 28px 28px 32px;
  margin-bottom: 28px;
  box-shadow: 0 1px 0 rgba(38, 49, 63, 0.03);
}

.entry h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--paper-line);
}

.entry h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  margin: 24px 0 10px;
}

.field-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.field-row label {
  width: 150px;
  flex-shrink: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.field-row input, .field-row select {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  font-family: var(--sans);
  font-size: 1rem;
  background: var(--paper);
  color: var(--ink);
}

.consent-note {
  font-size: 0.88rem;
  color: var(--ink-soft);
  border-left: 3px solid var(--paper-line);
  padding-left: 12px;
  margin: 18px 0 22px;
}

.btn {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  transition: transform 0.08s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--focus-green);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink-soft);
}

.live-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 560px) {
  .live-grid { grid-template-columns: 1fr; }
}

.camera-box {
  border-radius: 4px;
  overflow: hidden;
  background: #111;
  aspect-ratio: 4 / 3;
}

#camera-feed {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.state-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.state-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-soft);
  flex-shrink: 0;
  transition: background 0.4s ease;
}

.state-dot.CONCENTRATED { background: var(--focus-green); }
.state-dot.DISTRACTED { background: var(--distract-amber); }
.state-dot.DISRUPTIVE { background: var(--disrupt-rust); }

.metric-list {
  margin: 0 0 18px;
}

.metric-list > div {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--paper-line);
  font-size: 0.95rem;
}

.metric-list dt { color: var(--ink-soft); }
.metric-list dd { margin: 0; font-weight: 600; }

.alert-banner {
  background: #FBF0E2;
  border: 1px solid var(--distract-amber);
  color: #7A4E1D;
  padding: 10px 12px;
  border-radius: 3px;
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.alert-banner.encouragement {
  background: #EEF3EA;
  border: 1px solid var(--focus-green);
  color: #3E5942;
}

.activity-label {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: -8px 0 16px;
}

.backend-label {
  font-size: 0.75rem;
  color: var(--ink-soft);
  opacity: 0.75;
  margin: -12px 0 16px;
  font-style: italic;
}

.metric-list-secondary {
  border-top: 1px dashed var(--paper-line);
  padding-top: 6px;
  margin-top: -6px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 12px;
}

.checkbox-row {
  align-items: flex-start;
  gap: 10px;
}

.checkbox-row input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
  flex-shrink: 0;
}

.checkbox-row label {
  width: auto;
  flex: 1;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.4;
}

.training-panel {
  margin-top: 24px;
}

.training-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.train-label-btn {
  display: flex;
  align-items: center;
  gap: 8px;
}

.training-count {
  background: var(--paper);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.training-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
}

.avatar-box {
  text-align: center;
  margin-bottom: 20px;
}

#tutor-avatar {
  width: 140px;
  height: 140px;
}

#avatar-eye-left, #avatar-eye-right {
  transform-origin: center;
  animation: avatar-blink 4.5s infinite;
}

@keyframes avatar-blink {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}

.avatar-caption {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 6px 0 0;
}

.opt-tag {
  font-size: 0.7rem;
  font-family: var(--sans);
  font-weight: 600;
  color: var(--focus-green);
  border: 1px solid var(--focus-green);
  border-radius: 10px;
  padding: 2px 8px;
  vertical-align: middle;
  margin-left: 8px;
}

#calibration-live {
  margin-top: 16px;
  text-align: center;
}

#calibration-video {
  width: 100%;
  max-width: 320px;
  border-radius: 4px;
  background: #111;
}

.calibration-phase-label {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin: 12px 0 8px;
}

.calibration-progress-bar {
  height: 8px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 4px;
  overflow: hidden;
  max-width: 320px;
  margin: 0 auto;
}

#calibration-progress-fill {
  height: 100%;
  background: var(--focus-green);
  width: 0%;
  transition: width 0.3s linear;
}

.auth-page {
  max-width: 420px;
  padding-top: 96px;
}

.auth-switch {
  margin-top: 16px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.auth-switch a {
  color: var(--focus-green);
  font-weight: 600;
}

.account-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.account-bar button {
  background: transparent;
  border: 1px solid var(--ink-soft);
  color: var(--ink-soft);
  padding: 5px 14px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.85rem;
}

.transcript-feed ul, .history-list-reset {
  list-style: none;
  padding: 0;
  margin: 0;
}

.transcript-feed li, #history-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--paper-line);
  font-size: 0.95rem;
}

.muted { color: var(--ink-soft); font-style: italic; }

pre#report-text {
  white-space: pre-wrap;
  font-family: var(--sans);
  font-size: 0.98rem;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  padding: 18px;
}

.report-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

#history-list li {
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}

#history-list li:hover { color: var(--focus-green); }

.voice-recorder {
  margin-top: 20px;
  padding-top: 4px;
}

.voice-recorder h3 {
  margin-top: 0;
}

.clip-script {
  border-left: 3px solid var(--paper-line);
  padding: 14px 16px;
  margin-bottom: 16px;
  background: var(--paper);
  border-radius: 3px;
}

.clip-script h4 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1rem;
}

.script-text {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  padding: 8px 10px;
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  margin-bottom: 10px;
  resize: vertical;
  background: var(--card);
  color: var(--ink);
}

.recorder-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.record-btn.recording {
  background: var(--disrupt-rust);
  color: #fff;
  border-color: var(--disrupt-rust);
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.preview-audio {
  height: 32px;
}

.clip-count {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.saved-clips-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.saved-clips-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--paper-line);
  font-size: 0.9rem;
}

.saved-clips-list li:last-child {
  border-bottom: none;
}

.saved-clips-list audio {
  height: 28px;
  flex: 1;
  min-width: 0;
}

.remove-clip-btn {
  background: transparent;
  border: 1px solid var(--disrupt-rust);
  color: var(--disrupt-rust);
  font-size: 0.82rem;
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
}

.remove-clip-btn:hover {
  background: var(--disrupt-rust);
  color: #fff;
}