:root {
  --bg: #0b1220;
  --panel: #101c2c;
  --panel-alt: #132236;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #10b981;
  --accent-soft: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --border: rgba(148, 163, 184, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Manrope', sans-serif;
  background: radial-gradient(circle at top, #182c45 0%, #0b1220 55%, #070b13 100%);
  color: var(--text);
}

.stage {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
}

.phone {
  width: min(420px, 100%);
  background: var(--bg);
  border-radius: 32px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 30px 80px rgba(5, 10, 20, 0.8);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.phone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  color: var(--accent);
  margin: 0;
}

.phone-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  margin: 8px 0 0;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  position: relative;
  font-weight: 700;
  cursor: pointer;
}

.icon-btn .dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--panel-alt);
  padding: 6px;
  border-radius: 14px;
}

.tab {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.tab.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.tab-panel {
  display: none;
  flex-direction: column;
  gap: 16px;
}

.tab-panel.active {
  display: flex;
}

.card {
  background: var(--panel);
  border-radius: 20px;
  border: 1px solid var(--border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card.highlight {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(16, 185, 129, 0.04));
  border-color: rgba(16, 185, 129, 0.4);
}

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

.label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
}

.value {
  margin: 4px 0 0;
  font-size: 18px;
  font-weight: 700;
}

.muted {
  color: var(--muted);
  margin: 0;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge.accent {
  background: var(--accent-soft);
  color: var(--accent);
}

.actions {
  display: flex;
  gap: 10px;
}

.primary,
.ghost {
  flex: 1;
  border-radius: 999px;
  border: none;
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
}

.primary {
  background: var(--accent);
  color: #06110d;
}

.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.summary-card {
  background: var(--panel-alt);
  border-radius: 16px;
  padding: 12px;
  text-align: center;
}

.summary-card .summary-value {
  font-size: 22px;
  font-weight: 700;
}

.summary-card .summary-label {
  color: var(--muted);
  font-size: 12px;
}

.heatmap {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
}

.heat-cell {
  width: 100%;
  padding-top: 100%;
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.15);
}

.heat-cell.level-1 {
  background: rgba(16, 185, 129, 0.25);
}

.heat-cell.level-2 {
  background: rgba(16, 185, 129, 0.5);
}

.heat-cell.level-3 {
  background: rgba(16, 185, 129, 0.8);
}

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

.card-header h2 {
  margin: 0;
  font-size: 16px;
}

.link {
  color: var(--accent);
  font-size: 12px;
}

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

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel-alt);
  border-radius: 14px;
  padding: 10px 12px;
}

.list-item .title {
  font-weight: 600;
}

.list-item .meta {
  color: var(--muted);
  font-size: 12px;
}

.list-item .pill {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
}

@media (max-width: 420px) {
  .phone {
    border-radius: 24px;
    padding: 20px;
  }
}