.mac {
  --mac-bg: #f7fbf8;
  --mac-panel: #fff;
  --mac-ink: #17211d;
  --mac-muted: #65736c;
  --mac-line: rgba(25, 63, 48, 0.14);
  --mac-soft: #eff6f2;
  --mac-teal: #16b99a;
  --mac-sage: #83b99d;
  --mac-orange: #f28b38;
  --mac-plum: #8d6aae;

  color: var(--mac-ink);
}

.theme-dark .mac {
  --mac-bg: #101815;
  --mac-panel: #18231f;
  --mac-ink: #eff8f2;
  --mac-muted: #a8b8af;
  --mac-line: rgba(231, 255, 241, 0.14);
  --mac-soft: #213029;
}

.mac__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--mac-line);
  border-radius: 8px;
  background: var(--mac-bg);
}

.mac__dial-panel,
.mac__controls,
.mac__advice {
  border: 1px solid var(--mac-line);
  border-radius: 8px;
  background: var(--mac-panel);
}

.mac__dial-panel {
  padding: 18px;
}

.mac__dial {
  --chrono: 44deg;
  --needle: 52deg;

  position: relative;
  min-height: 284px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.mac__arc {
  width: min(100%, 390px);
  aspect-ratio: 1.8 / 1;
  border-radius: 430px 430px 0 0;
  background:
    radial-gradient(circle at 50% 100%, transparent 0 48%, var(--mac-panel) 49% 58%, transparent 59%),
    conic-gradient(from 270deg at 50% 100%, var(--mac-teal), var(--mac-sage) 38deg, var(--mac-soft) 39deg 141deg, var(--mac-orange) 142deg, var(--mac-plum));
  mask: radial-gradient(circle at 50% 100%, transparent 0 45%, #000 46% 61%, transparent 62%);
  opacity: 0.95;
}

.mac__needle,
.mac__chrono-line {
  position: absolute;
  bottom: 58px;
  left: 50%;
  width: 3px;
  height: 126px;
  border-radius: 999px;
  transform-origin: 50% 100%;
}

.mac__needle {
  background: var(--mac-ink);
  transform: translateX(-50%) rotate(var(--needle));
  box-shadow: 0 0 0 4px var(--mac-panel);
}

.mac__chrono-line {
  width: 2px;
  height: 112px;
  background: var(--mac-plum);
  opacity: 0.75;
  transform: translateX(-50%) rotate(var(--chrono));
}

.mac__hub {
  position: absolute;
  bottom: 48px;
  width: 24px;
  height: 24px;
  border: 6px solid var(--mac-panel);
  border-radius: 50%;
  background: var(--mac-ink);
}

.mac__readout {
  position: absolute;
  bottom: 0;
  display: grid;
  justify-items: center;
  gap: 1px;
}

.mac__readout span,
.mac__metrics span,
.mac__field small,
.mac__scale-labels {
  color: var(--mac-muted);
}

.mac__readout strong {
  font-size: clamp(3.2rem, 8vw, 4.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.mac__readout em {
  font-style: normal;
  font-weight: 800;
  color: var(--mac-teal);
}

.mac--aged .mac__readout em { color: var(--mac-orange); }
.mac--young .mac__scale-bar span { background: var(--mac-teal); }
.mac--aged .mac__scale-bar span { background: var(--mac-orange); }

.mac__dial-legend {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 4px;
  color: var(--mac-muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.mac__dial-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.mac__key {
  display: inline-block;
  width: 18px;
  height: 3px;
  border-radius: 999px;
  background: var(--mac-ink);
}

.mac__key--chrono {
  height: 2px;
  background: var(--mac-plum);
}

.mac__scale {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.mac__scale-bar {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--mac-soft);
}

.mac__scale-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--mac-teal);
}

.mac__scale-labels,
.mac__metrics,
.mac__topline,
.mac__advice-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.mac__scale-labels {
  align-items: baseline;
}

.mac__scale-labels span {
  text-align: right;
}

.mac__scale-labels strong {
  color: var(--mac-ink);
}

.mac__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
  padding-top: 4px;
}

.mac__metrics div {
  display: grid;
  gap: 4px;
  padding: 0 10px;
  border-left: 1px solid var(--mac-line);
  border-radius: 8px;
}

.mac__metrics div:first-child {
  border-left: 0;
  padding-left: 0;
}

.mac__metrics strong {
  font-size: 1.05rem;
}

.mac__controls,
.mac__advice {
  padding: 14px;
}

.mac__topline {
  margin-bottom: 14px;
}

.mac__seg,
.mac__icons,
.mac__activity {
  display: flex;
  gap: 6px;
}

.mac button {
  min-height: 38px;
  border: 1px solid var(--mac-line);
  border-radius: 8px;
  background: transparent;
  color: var(--mac-ink);
  font-weight: 800;
  cursor: pointer;
}

.mac button:hover {
  border-color: rgba(22, 185, 154, 0.48);
}

.mac__seg-btn {
  padding: 0 12px;
}

.mac__icon-btn {
  width: 40px;
  display: grid;
  place-items: center;
}

.mac__icon-btn svg {
  width: 20px;
  height: 20px;
}

.mac__seg-btn--active,
.mac__icon-btn--active,
.mac__activity-active {
  background: var(--mac-ink);
  color: var(--mac-panel);
}

.mac__field {
  display: grid;
  gap: 8px;
  margin: 12px 0;
}

.mac__field span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.mac__field output {
  font-weight: 900;
}

.mac input[type="range"] {
  width: 100%;
  accent-color: var(--mac-teal);
}

.mac__activity {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}

.mac__activity button {
  padding: 0 8px;
}

.mac__advice {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
}

.mac__advice-head,
.mac__advice-row div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mac__advice-head svg,
.mac__advice-row svg {
  width: 22px;
  height: 22px;
  color: var(--mac-teal);
}

.mac__advice-card {
  padding: 14px;
  border-radius: 8px;
  background: var(--mac-soft);
  font-weight: 800;
}

.mac__advice-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mac__advice-row div {
  padding: 12px;
  border: 1px solid var(--mac-line);
  border-radius: 8px;
}

.mac__advice p {
  margin: 0;
  color: var(--mac-muted);
  font-size: 0.92rem;
}

@media (max-width: 760px) {
  .mac__grid,
  .mac__metrics,
  .mac__advice-row {
    grid-template-columns: 1fr;
  }

  .mac__dial {
    min-height: 240px;
  }

  .mac__needle,
  .mac__chrono-line {
    bottom: 50px;
    height: 100px;
  }

  .mac__hub {
    bottom: 40px;
  }

  .mac__metrics div,
  .mac__metrics div:first-child {
    padding: 10px 0 0;
    border-top: 1px solid var(--mac-line);
    border-left: 0;
  }

  .mac__scale-labels {
    display: grid;
    gap: 2px;
  }

  .mac__scale-labels span {
    text-align: left;
  }
}