:root {
  color-scheme: light;
  --bg: #f0fdfa;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --panel-soft: #ecfeff;
  --text: #073b4c;
  --muted: #52727e;
  --line: rgba(8, 145, 178, 0.18);
  --green: #10b981;
  --cyan: #06b6d4;
  --teal: #0f766e;
  --yellow: #f5c451;
  --red: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 14% 8%, rgba(103, 232, 249, 0.68), transparent 30rem),
    radial-gradient(circle at 86% 14%, rgba(167, 243, 208, 0.82), transparent 28rem),
    radial-gradient(circle at 78% 88%, rgba(186, 230, 253, 0.72), transparent 32rem),
    linear-gradient(135deg, #ecfeff 0%, #f0fdf4 54%, #f8fafc 100%);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  grid-template-areas:
    "hero results"
    "hero diagnosis"
    "profile recommendations"
    "rooms rooms"
    "settings settings"
    "lead lead";
  gap: 20px;
  align-content: center;
  padding: 34px 0;
}

.hero,
.results,
.diagnosis,
.profile,
.recommendations,
.rooms,
.lead-capture,
.settings {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 24px 70px rgba(15, 118, 110, 0.14);
  backdrop-filter: blur(18px);
}

.hero {
  position: relative;
  grid-area: hero;
  min-height: 660px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 16px;
  border: 1px solid rgba(16, 185, 129, 0.14);
  pointer-events: none;
}

.brand {
  position: absolute;
  top: 30px;
  left: 32px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  font-size: 0.96rem;
  font-weight: 900;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid var(--cyan);
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(6, 182, 212, 0.14);
}

.meter {
  width: min(72vw, 366px);
  aspect-ratio: 1;
  margin-bottom: 30px;
}

.ring {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    conic-gradient(var(--cyan) calc(var(--progress) * 1%), rgba(6, 182, 212, 0.14) 0),
    linear-gradient(145deg, #ecfeff, #dcfce7);
  box-shadow: 0 22px 58px rgba(6, 182, 212, 0.22);
  transition: background 180ms ease;
}

.ring::before {
  content: "";
  position: absolute;
  width: min(58vw, 280px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: #f8fffc;
  border: 1px solid rgba(6, 182, 212, 0.14);
}

.readout {
  position: relative;
  z-index: 1;
}

.metric {
  display: block;
  min-width: 5ch;
  font-size: clamp(4rem, 9vw, 7.4rem);
  line-height: 0.9;
  font-weight: 900;
}

.unit {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.2rem, 6vw, 4.7rem);
  line-height: 1;
  font-weight: 900;
}

.status {
  max-width: 560px;
  min-height: 3.2em;
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.primary-button,
.icon-button {
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  color: #032018;
  background: linear-gradient(135deg, #34d399, #22d3ee);
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(16, 185, 129, 0.22);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 24px;
}

.icon-button {
  width: 48px;
  display: grid;
  place-items: center;
  background: var(--panel-strong);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

.primary-button:disabled,
.icon-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.play-icon {
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid currentColor;
}

.reset-icon {
  width: 18px;
  height: 18px;
  border: 3px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
}

.results {
  grid-area: results;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: rgba(6, 182, 212, 0.16);
}

.result {
  min-height: 156px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.88);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.label,
.hint {
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}

.result strong {
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1;
}

.diagnosis,
.profile,
.recommendations,
.rooms,
.settings {
  padding: 24px;
}

.diagnosis {
  grid-area: diagnosis;
}

.diagnosis h2,
.profile h2,
.recommendations h2,
.room-header h2,
.lead-capture h2 {
  margin-top: 8px;
  font-size: 1.6rem;
}

.diagnosis p,
.recommendations p,
.settings p,
.lead-capture p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.profile {
  grid-area: profile;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.profile-grid label,
.room-form label,
.settings label,
.lead-form label {
  color: var(--teal);
  font-weight: 900;
}

.profile-grid label {
  display: grid;
  gap: 8px;
}

.profile-grid select,
.room-input-row input,
.settings input,
.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: var(--panel-strong);
  box-shadow: inset 0 1px 0 rgba(6, 182, 212, 0.04);
}

.profile-grid select {
  min-height: 46px;
  padding: 0 10px;
}

.recommendations {
  grid-area: recommendations;
}

.recommendation-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.recommendation-list li {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(236, 254, 255, 0.78);
  color: var(--muted);
  line-height: 1.45;
}

.rooms {
  grid-area: rooms;
}

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

.room-form {
  margin-top: 18px;
}

.room-form label {
  display: block;
  margin-bottom: 8px;
}

.room-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.room-input-row input {
  min-height: 48px;
  padding: 0 12px;
}

.secondary-button {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 18px;
  cursor: pointer;
  color: #075985;
  background: #ecfeff;
  font-weight: 900;
}

.secondary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.room-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.room-card,
.empty-room {
  min-height: 126px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.empty-room {
  grid-column: 1 / -1;
  color: var(--muted);
  line-height: 1.55;
}

.room-card strong {
  display: block;
  font-size: 1.05rem;
}

.room-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.room-stat span {
  display: block;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.room-stat b {
  display: block;
  margin-top: 4px;
  font-size: 1.15rem;
}

.room-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.settings {
  grid-area: settings;
}

.settings summary {
  cursor: pointer;
  color: var(--teal);
  font-weight: 900;
}

.settings label {
  display: block;
  margin-top: 16px;
  margin-bottom: 8px;
}

.settings input {
  min-height: 44px;
  padding: 0 12px;
}

.lead-capture {
  grid-area: lead;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1.2fr);
  gap: 24px;
}

.lead-form {
  display: grid;
  gap: 10px;
}

.lead-form input,
.lead-form textarea {
  padding: 12px;
  resize: vertical;
}

.form-status {
  min-height: 1.5em;
  color: var(--muted);
}

@media (max-width: 820px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "results"
      "diagnosis"
      "profile"
      "recommendations"
      "rooms"
      "settings"
      "lead";
    align-content: start;
  }

  .hero {
    min-height: 560px;
    padding: 82px 20px 28px;
  }

  .brand {
    left: 20px;
  }

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

  .room-list {
    grid-template-columns: 1fr;
  }

  .lead-capture {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .shell {
    width: min(100% - 20px, 1180px);
    gap: 10px;
    padding: 10px 0;
  }

  .hero {
    min-height: 540px;
  }

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

  .result {
    min-height: 118px;
  }

  .room-input-row {
    grid-template-columns: 1fr;
  }
}