:root {
  --bg: #eef3f1;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --text: #10211c;
  --muted: #597169;
  --line: rgba(16, 33, 28, 0.08);
  --accent: #0f9d7a;
  --accent-2: #0f5bd7;
  --danger: #d95454;
  --warning: #de9340;
  --shadow: 0 20px 50px rgba(28, 48, 43, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(15, 157, 122, 0.12), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(15, 91, 215, 0.12), transparent 26%),
    linear-gradient(180deg, #f6faf8 0%, #edf3f1 100%);
  color: var(--text);
  font-family: "Manrope", sans-serif;
}

body {
  position: relative;
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  inset: auto;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  pointer-events: none;
  animation: drift 16s ease-in-out infinite alternate;
}

.ambient-a {
  top: -8rem;
  left: -8rem;
  background: rgba(15, 157, 122, 0.17);
}

.ambient-b {
  right: -9rem;
  top: 10rem;
  background: rgba(15, 91, 215, 0.14);
  animation-duration: 20s;
}

.grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(16, 33, 28, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 33, 28, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black, transparent 85%);
  pointer-events: none;
}

.app-shell {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  border-radius: 28px;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  padding: 32px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

h1, h2 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 0.94;
  margin: 0;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  max-width: 12ch;
}

h2 {
  font-size: 1.45rem;
}

.lede {
  max-width: 56ch;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 18px 0 0;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.meta-chip, .metric-card, .today-item, .bar-row, .list-item, .audit-item {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.meta-chip {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.label, .metric-label, .metric-sub, .tiny {
  color: var(--muted);
}

.value {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.metric-card {
  padding: 20px;
}

.metric-value {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  margin: 10px 0 6px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  margin-top: 18px;
}

.large-card,
.stack-card {
  padding: 22px;
}

.stack-card {
  min-height: 320px;
}

.full-span {
  grid-column: 1 / -1;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.legend {
  font-size: 0.85rem;
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.viz-button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.7);
  color: var(--text);
  border-radius: 999px;
  padding: 9px 14px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.viz-button:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.95);
}

.viz-button.active {
  background: linear-gradient(90deg, rgba(15,157,122,0.16), rgba(15,91,215,0.16));
  border-color: rgba(15,91,215,0.24);
}

.chart {
  width: 100%;
  height: 280px;
  overflow: visible;
}

.today-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.today-item {
  padding: 14px;
}

.today-item strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.3rem;
  margin-top: 8px;
}

.bars {
  display: grid;
  gap: 12px;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.program-card {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
}

.featured-program-card {
  padding: 18px;
}

.exercise-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.exercise-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(15,157,122,0.1), rgba(15,91,215,0.1));
  border: 1px solid rgba(16, 33, 28, 0.08);
  font-size: 0.85rem;
  font-weight: 700;
}

.program-subhead {
  margin: 14px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.bullet-stack {
  display: grid;
  gap: 8px;
}

.bullet-stack span {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.45;
}

.today-session {
  display: grid;
}

.exercise-detail-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.exercise-detail {
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.exercise-detail summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  font-weight: 700;
}

.exercise-detail summary::-webkit-details-marker {
  display: none;
}

.exercise-detail-body {
  padding: 0 14px 14px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.detail-grid strong {
  display: block;
  margin-top: 4px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.demo-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(15, 91, 215, 0.08);
  border: 1px solid rgba(15, 91, 215, 0.14);
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 700;
}

.bar-row {
  padding: 14px;
}

.bar-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.bar-track {
  height: 9px;
  background: rgba(16, 33, 28, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.projection-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.projection-chip {
  padding: 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.projection-chip strong {
  display: block;
  margin-top: 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
}

.tracker-stat {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.heat-grid {
  display: grid;
  gap: 6px;
}

.heat-row {
  display: grid;
  grid-template-columns: repeat(14, minmax(0, 1fr));
  gap: 6px;
}

.heat-cell {
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}

.session-heatmap {
  display: grid;
  gap: 10px;
}

.session-row {
  display: grid;
  grid-template-columns: 40px repeat(12, minmax(0, 1fr));
  gap: 6px;
  align-items: center;
}

.session-cell {
  aspect-ratio: 1.4 / 1;
  border-radius: 12px;
  border: 1px solid rgba(16,33,28,0.08);
}

.session-label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 700;
}

.list, .audit-list {
  display: grid;
  gap: 12px;
}

.list-item, .audit-item {
  padding: 14px;
}

.list-item h3, .audit-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.list-item p, .audit-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: rgba(16, 33, 28, 0.06);
  color: var(--text);
}

.pill.alert {
  background: rgba(217, 84, 84, 0.12);
  color: var(--danger);
}

.pill.good {
  background: rgba(15, 157, 122, 0.12);
  color: var(--accent);
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(60px, 40px, 0) scale(1.12); }
}

@media (max-width: 1100px) {
  .hero,
  .dashboard-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .projection-strip {
    grid-template-columns: 1fr 1fr;
  }

  .detail-grid {
    grid-template-columns: 1fr 1fr;
  }

  .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 18px 14px 52px;
  }

  .hero,
  .large-card,
  .stack-card {
    padding: 18px;
  }

  .today-grid {
    grid-template-columns: 1fr;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}