:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --text: #e0e0e0;
  --red: #e74c3c;
  --yellow: #f1c40f;
  --green: #2ecc71;
  --blue: #3498db;
  --muted: #7f8c8d;
  --border: #2c3e50;
}

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

body {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

header h1 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

header h1 span.accent {
  color: var(--blue);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
}

.health-score {
  font-size: 24px;
  font-weight: 700;
}

.health-score.red { color: var(--red); }
.health-score.yellow { color: var(--yellow); }
.health-score.green { color: var(--green); }

/* Alert banner */
.alert-banner {
  background: rgba(231, 76, 60, 0.15);
  border: 1px solid var(--red);
  border-radius: 4px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--red);
  display: none;
}

.alert-banner.visible {
  display: block;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 8px 20px;
  font-size: 13px;
  font-family: inherit;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kpi-card .kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kpi-card .kpi-name {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-card .kpi-trend {
  font-size: 14px;
}

.kpi-card .kpi-value {
  font-size: 28px;
  font-weight: 700;
}

.kpi-card .kpi-target {
  font-size: 11px;
  color: var(--muted);
}

.kpi-card .kpi-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.kpi-card .kpi-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.grade-red .kpi-value { color: var(--red); }
.grade-red .kpi-bar-fill { background: var(--red); }

.grade-yellow .kpi-value { color: var(--yellow); }
.grade-yellow .kpi-bar-fill { background: var(--yellow); }

.grade-green .kpi-value { color: var(--green); }
.grade-green .kpi-bar-fill { background: var(--green); }

/* Sparklines */
.kpi-sparkline {
  margin-top: 0.5rem;
  opacity: 0.7;
}
.sparkline-svg {
  color: var(--text);
}

/* Timeline */
.timeline-view {
  display: none;
}

.timeline-view.active {
  display: block;
}

.kpi-view {
  display: none;
}

.kpi-view.active {
  display: block;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
}

.timeline-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.timeline-time {
  font-size: 11px;
  color: var(--muted);
  min-width: 140px;
  flex-shrink: 0;
}

.timeline-type {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--blue);
  min-width: 100px;
  flex-shrink: 0;
}

.timeline-summary {
  flex: 1;
  color: var(--text);
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--muted);
  font-size: 13px;
}

/* Twin Profile */
.twin-view {
  display: none;
}

.twin-view.active {
  display: block;
}

.twin-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 16px;
}

.twin-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.twin-header .twin-role {
  font-size: 13px;
  color: var(--blue);
  margin-bottom: 2px;
}

.twin-header .twin-email {
  font-size: 12px;
  color: var(--muted);
}

.twin-goals {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
}

.twin-goals h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.twin-goals ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.twin-goals li {
  font-size: 13px;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}

.twin-goals li::before {
  content: "\2022";
  color: var(--blue);
  position: absolute;
  left: 0;
}

.twin-kpis-compact {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.twin-kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.twin-kpi-card .twin-kpi-name {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}

.twin-kpi-card .twin-kpi-value {
  font-size: 20px;
  font-weight: 700;
}

.twin-kpi-card.grade-red .twin-kpi-value { color: var(--red); }
.twin-kpi-card.grade-yellow .twin-kpi-value { color: var(--yellow); }
.twin-kpi-card.grade-green .twin-kpi-value { color: var(--green); }

.twin-activity {
  margin-bottom: 16px;
}

.twin-activity h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.twin-activity .timeline-item {
  font-size: 12px;
}

.twin-feedback {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
}

.twin-feedback h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.twin-feedback .feedback-warning {
  font-size: 13px;
  color: var(--yellow);
}

.twin-feedback .feedback-rate {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.twin-feedback .feedback-breakdown {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.twin-feedback .feedback-type-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.twin-feedback .feedback-type-name {
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
}

.twin-feedback .feedback-type-rate {
  font-weight: 600;
}

/* Loading */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--muted);
  font-size: 13px;
}

/* Footer */
footer {
  margin-top: 40px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}