:root {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #ffffff;
  --ink: #000000;
  --muted: #646464;
  --line: #000000;
  --soft: #ededed;
  --ok: #176b87;
  --warn: #8a5a00;
  --bad: #a73535;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button,
.role-link {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  font-weight: 600;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  text-decoration: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.hidden {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 20px;
  min-height: 100vh;
  padding: 20px;
}

.topbar,
.controls,
.role-chooser,
.call-layout {
  margin: 0 auto;
  max-width: 1180px;
  width: 100%;
}

.topbar {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  min-height: 64px;
  padding-bottom: 16px;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 600;
  line-height: 1.1;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.15;
}

.room-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.badge,
.status-pill {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 600;
  min-height: 32px;
  padding: 0 12px;
}

.badge[data-role="doctor"],
.status-pill[data-state="connected"] {
  background: var(--ink);
  color: var(--panel);
}

.badge.neutral {
  color: var(--muted);
}

.status-pill[data-state="failed"],
.status-pill[data-state="disconnected"] {
  border-color: var(--bad);
  color: var(--bad);
}

.role-chooser {
  align-self: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 28px;
}

.role-chooser p {
  color: var(--muted);
  margin-top: 8px;
}

.role-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.role-link.patient,
.role-link.doctor {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--panel);
}

.call-layout {
  align-items: start;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  min-height: 0;
}

.video-stage {
  align-content: start;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) 220px;
  min-width: 0;
}

.remote-frame,
.local-frame,
.exam-panel {
  background: var(--soft);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.remote-frame {
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  grid-column: 1 / -1;
}

.local-frame {
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  box-shadow: var(--shadow);
  grid-column: 2;
  justify-self: end;
  width: 220px;
}

.remote-frame video,
.local-frame video {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.patient-local-frame #shenaiCanvas {
  background: var(--soft);
  border: 0;
  display: block;
  height: 100%;
  inset: 0;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 160ms ease;
  width: 100%;
  z-index: 2;
}

.patient-local-frame.sdk-visible #shenaiCanvas {
  opacity: 1;
}

.patient-local-frame.sdk-visible video {
  opacity: 0;
}

.patient-local-frame .video-label {
  z-index: 3;
}

.video-stage.scan-focus-local {
  grid-template-columns: 1fr;
}

.video-stage.scan-focus-local .local-frame {
  grid-column: 1;
  justify-self: center;
  width: min(560px, 100%);
}

.video-stage.scan-focus-local .remote-frame {
  grid-column: 1;
  justify-self: end;
  width: min(280px, 100%);
}

.video-label {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  left: 12px;
  padding: 7px 10px;
  position: absolute;
  top: 12px;
}

.empty-state {
  color: var(--muted);
  font-weight: 700;
  left: 50%;
  position: absolute;
  text-align: center;
  top: 50%;
  transform: translate(-50%, -50%);
}

.exam-panel {
  background: var(--panel);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
}

.panel-heading,
.quality-list > div,
.progress-row > div:first-child {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.metric-card span,
.progress-row span,
.quality-list span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.scan-notice {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-weight: 600;
  padding: 12px;
}

.scan-notice[data-tone="good"] {
  color: var(--ok);
}

.scan-notice[data-tone="warn"] {
  color: var(--warn);
}

.scan-notice[data-tone="bad"] {
  border-color: var(--bad);
  color: var(--bad);
}

.metrics-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 112px;
  padding: 10px;
}

.metric-card strong {
  display: block;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.1;
}

.progress-row,
.quality-list {
  display: grid;
  gap: 10px;
}

.progress-track {
  background: var(--panel);
  border: 1px solid var(--line);
  height: 12px;
  overflow: hidden;
}

.progress-track div {
  background: var(--ink);
  height: 100%;
  transition: width 180ms ease;
  width: 0;
}

.quality-list {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.quality-list > div {
  min-height: 34px;
}

#shenaiCanvas {
  height: 894px;
  left: -10000px;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  top: 0;
  width: 480px;
}

.patient-local-frame #shenaiCanvas {
  left: 0;
  top: 0;
}

.controls {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding-top: 16px;
}

.controls .primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--panel);
}

.controls .ghost {
  background: var(--panel);
}

.controls .danger {
  border-color: var(--bad);
  color: var(--bad);
}

@media (max-width: 980px) {
  .call-layout {
    grid-template-columns: 1fr;
  }

  .video-stage {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .local-frame {
    justify-self: end;
    width: 220px;
  }
}

@media (max-width: 680px) {
  .app-shell {
    padding: 16px;
  }

  .topbar,
  .controls,
  .role-chooser,
  .call-layout {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
    width: 100%;
  }

  .topbar,
  .role-chooser {
    align-items: flex-start;
    flex-direction: column;
  }

  .role-chooser {
    min-width: 0;
    padding: 28px;
    width: calc(100vw - 64px);
  }

  .role-chooser p {
    overflow-wrap: anywhere;
  }

  .role-actions,
  .controls {
    width: 100%;
  }

  .role-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .role-link {
    width: 100%;
  }

  .controls button {
    flex: 1 1 120px;
  }

  .video-stage {
    grid-template-columns: 1fr;
  }

  .local-frame {
    grid-column: 1;
    justify-self: center;
    width: min(220px, 78vw);
  }

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