/* ============================================================================
   Aurora PWA — design system v2 (dark glassmorphism, English-only)
   Tokens lifted from designs/睡眠检测App_UI设计方案.html — see plan
   `Aurora_PWA_redesign_v2.md` for the full mapping. The light v1 palette
   that lived here is gone; this is a single dark theme.
   ========================================================================= */

/* @@ TOKENS @@ */
:root {
  /* Backgrounds — deep navy stack, lifted progressively */
  --surface:            #0B1020;   /* body bg */
  --surface-card:       #0D1533;   /* default card */
  --surface-elevated:   #142046;   /* hovered/active card */
  --surface-glass:      rgba(255, 255, 255, 0.04);
  --surface-glass-edge: rgba(255, 255, 255, 0.08);
  /* Aliases kept for v1-call-site compatibility until later phases finish
     migrating to the glass-* names. New code should NOT use these. */
  --surface-container:     var(--surface-elevated);
  --surface-container-low: var(--surface-glass);

  /* Text — light blue-white on dark, three contrast levels */
  --on-background:      #D0E0FF;   /* primary readable */
  --on-surface:         #D0E0FF;
  --on-surface-variant: #5570A0;   /* secondary / labels */
  --on-surface-faint:   #2A3850;   /* lowest contrast (units, axis ticks) */
  --outline:            #2A3850;
  --outline-variant:    rgba(255, 255, 255, 0.08);

  /* Brand & accents */
  --primary:            #3355CC;
  --primary-container:  #142046;
  --primary-bright:     #4488FF;
  --primary-gradient:   linear-gradient(135deg, #2244CC 0%, #5533AA 100%);
  --accent-glow:        drop-shadow(0 0 6px #4488FF);

  /* Semantic */
  --secondary:          #00629d;
  --tertiary:           #22DD88;   /* success / "good" */
  --tertiary-container: #0d3320;
  --success:            #22DD88;
  --warning:            #FFAA44;   /* AHI elevated, abnormal */
  --error:              #EF476F;   /* destructive */
  --error-container:    #3a1019;

  /* Sleep-stage palette (hypnogram, Phase 4) */
  --stage-awake:        #99AABB;
  --stage-light:        #445588;
  --stage-rem:          #7755BB;
  --stage-deep:         #1133AA;

  /* Elevation */
  --shadow-card:        0 12px 32px rgba(20, 50, 200, 0.40);
  --shadow-button:      0 2px  8px rgba(20, 50, 180, 0.40);
  --shadow-fab:         0 16px 32px rgba(40, 80, 220, 0.45);

  /* Radius */
  --radius-card:   16px;
  --radius-pill:   9999px;
  --radius-button: 12px;

  /* Motion */
  --motion-fast:    180ms cubic-bezier(0.4, 0, 0.2, 1);
  --motion-default: 280ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography — Inter is the new single family. Manrope/Public Sans dropped
     because they didn't carry enough hierarchy weight on dark surfaces. */
  --font-headline: 'Inter', -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
  --font-body:     'Inter', -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
}

/* @@ RESET @@ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  /* Subtle radial gradient over the deep navy so the screen isn't flat
     when content doesn't fill the viewport. Anchored to the top-centre,
     fades out before reaching the edges. */
  background:
    radial-gradient(ellipse at 50% -10%, #16204a 0%, #0B1020 60%) no-repeat,
    var(--surface);
  background-attachment: fixed;
  color: var(--on-background);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: contain;
}

body {
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  min-height: 100vh;
}

a {
  color: var(--primary-bright);
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* @@ LAYOUT @@ */
/* Mobile-first: phones get the full viewport width up to a 600px breakpoint.
   Larger screens (tablet portrait, desktop, designer "phone preview") get a
   centred 480px column so the layout doesn't stretch absurdly wide. */
.app-shell {
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
  /* Transparent so the body's radial gradient shows through. */
  background: transparent;
  display: flex;
  flex-direction: column;
  padding-bottom: 84px; /* space for bottom nav */
}

@media (min-width: 600px) {
  .app-shell {
    max-width: 480px;
  }
}

.app-shell.no-nav {
  padding-bottom: 0;
}

.splash-loading {
  min-height: 100vh;
  /* No gradient — body already paints the dark bg, splash adds only its
     own brand glow centred. */
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: 0.02em;
  filter: var(--accent-glow);
}

/* App bar — was solid primary blue on light surface; now a transparent
   header that lets the body gradient show through. Only the title +
   icon buttons need styling. */
.app-bar {
  background: transparent;
  color: var(--on-surface);
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.app-bar .app-bar-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.01em;
}

.app-bar .icon-button {
  color: var(--on-surface);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--motion-fast);
}

.app-bar .icon-button:hover {
  background: var(--surface-glass);
}

.app-bar .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface);
}

/* @@ PAGE CONTENT @@ */
.page {
  flex: 1;
  /* Reserve room at the bottom for the fixed .bottom-nav so the last item on
     long pages isn't hidden behind the tab bar. ~80px nav + 16px breathing
     room + iOS safe-area inset. */
  padding: 20px 20px calc(96px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--on-surface);
}

.page-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--on-surface);
  line-height: 1.2;
  margin: 8px 0 4px;
}

.page-subtitle {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  margin: 0 0 12px;
}

.eyebrow {
  display: inline-block;
  color: var(--tertiary);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  background: var(--tertiary-container);
  border-radius: var(--radius-pill);
}

/* ─── Cards ─── */
.card {
  background: var(--surface-card);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.card.tinted {
  background: var(--secondary-fixed);
}

.card.primary-filled {
  background: var(--primary-gradient);
  color: white;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: var(--radius-button);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: transform 0.12s, box-shadow 0.12s;
  min-height: 52px;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-fab);
  width: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--outline-variant);
  width: 100%;
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
}

.btn-danger {
  background: var(--error-container);
  color: var(--error);
  width: 100%;
}

.btn-fab {
  position: sticky;
  bottom: 96px;
  background: var(--primary-gradient);
  color: white;
  box-shadow: var(--shadow-fab);
  width: 100%;
}

/* ─── Forms ─── */
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.field label {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.field .input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-card);
  border: 1.5px solid var(--outline-variant);
  border-radius: var(--radius-button);
  padding: 14px 16px;
  transition: border-color 0.15s;
}

.field .input-wrap:focus-within {
  border-color: var(--primary);
}

.field input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--on-background);
  font-size: 1rem;
}

.field .input-wrap .material-symbols-outlined {
  color: var(--outline);
  font-size: 20px;
}

.field .eye-toggle {
  color: var(--outline);
  padding: 4px;
  border-radius: 4px;
}

.field .eye-toggle:hover {
  color: var(--primary);
}

.field .helper {
  font-size: 0.8rem;
  color: var(--error);
}

/* ─── Divider text ─── */
.or-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--outline);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 16px 0;
}

.or-divider::before,
.or-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--outline-variant);
}

/* @@ BOTTOM-NAV @@ */
/* Dark glass nav — sits over body bg with backdrop-blur. Mirrors the
   .app-shell width strategy so it lines up with content above it. */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  background: rgba(11, 16, 32, 0.78);            /* deep navy glass */
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 1px solid var(--surface-glass-edge);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-around;
  z-index: 20;
}

@media (min-width: 600px) {
  .bottom-nav {
    max-width: 480px;
  }
}

.bottom-nav .tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--on-surface-variant);
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: 0.7rem;
  padding: 6px 12px;
  border-radius: var(--radius-button);
  min-width: 64px;
  transition: color var(--motion-fast);
}

.bottom-nav .tab.active {
  color: var(--primary-bright);
}

.bottom-nav .tab.active .material-symbols-outlined {
  font-variation-settings: 'FILL' 1;
  /* Active tab icon glows — direct lift from reference design. */
  filter: var(--accent-glow);
}

/* ─── Device card (Phase 7 glass redesign) ─── */
.device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Whole card is a button — single tap routes to /history/{mcno}. */
.device-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  color: inherit;
  transition: transform var(--motion-fast), background var(--motion-fast);
}

.device-card:active {
  transform: scale(0.985);
}

.device-card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-container);
  color: var(--primary-bright);
  font-size: 22px;
}

.device-card-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.device-card-name {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 1rem;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.device-card-sub {
  font-size: 0.78rem;
  color: var(--on-surface-variant);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.device-card-bound {
  font-size: 0.7rem;
  color: var(--on-surface-faint);
  letter-spacing: 0.04em;
}

.device-card .chev {
  color: var(--outline);
  flex-shrink: 0;
}

/* Small status dot — left of the chevron. We don't actually track
   live online status yet, so for v2 it's a visual cue that the device
   is bound (not a real telemetry signal). */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot-online {
  background: var(--success);
  box-shadow: 0 0 6px rgba(34, 221, 136, 0.7);
}

.devices-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px 20px;
  text-align: center;
  color: var(--on-surface-variant);
}

.devices-empty-icon {
  font-size: 40px;
  color: var(--on-surface-faint);
}

/* Floating action button — small circle anchored bottom-right above
   the bottom nav. Replaces v1's full-width sticky bar. */
.fab {
  position: fixed;
  right: 20px;
  bottom: calc(96px + env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: var(--shadow-fab);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: transform var(--motion-fast);
}

.fab:active {
  transform: scale(0.94);
}

.fab .material-symbols-outlined {
  font-size: 28px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-pill.online {
  background: var(--tertiary-container);
  color: var(--tertiary);
}

.status-pill.offline {
  background: var(--surface-container);
  color: var(--outline);
}

.status-pill.critical {
  background: var(--error-container);
  color: var(--error);
}

/* ─── History list (Phase 7 glass redesign) ─── */
.report-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.report-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  color: inherit;
  transition: transform var(--motion-fast);
}

.report-card:active {
  transform: scale(0.985);
}

.report-card-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-container);
  color: var(--primary-bright);
  font-size: 22px;
}

.report-card-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.report-card-date {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--on-surface);
}

.report-card-sub {
  color: var(--on-surface-variant);
  font-size: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.report-card .chev {
  color: var(--outline);
  flex-shrink: 0;
}

.history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px 20px;
  text-align: center;
  color: var(--on-surface-variant);
}

.history-empty-icon {
  font-size: 40px;
  color: var(--on-surface-faint);
}

.score-pill {
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.score-pill.good {
  background: var(--tertiary-container);
  color: var(--tertiary);
}

.score-pill.warn {
  background: rgba(255, 170, 68, 0.15);
  color: var(--warning);
}

.score-pill.bad {
  background: var(--error-container);
  color: var(--error);
}

/* ─── Scanner ─── */
.scan-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: black;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.scan-wrap video,
.scan-wrap canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scan-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.scan-frame {
  width: 65%;
  aspect-ratio: 1;
  border: 3px solid white;
  border-radius: 16px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
}

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--on-background);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  box-shadow: var(--shadow-card);
  z-index: 100;
  max-width: 90vw;
}

.toast-error {
  background: var(--error);
}

.toast-success {
  background: var(--tertiary);
}

.toast-info {
  background: var(--on-background);
}

/* ─── Language switch ─── */
.lang-switch {
  display: inline-flex;
  gap: 4px;
  background: var(--surface-container);
  border-radius: var(--radius-pill);
  padding: 4px;
}

.lang-switch button {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.lang-switch button.active {
  background: var(--primary-gradient);
  color: white;
}

/* ─── Helpers ─── */
.row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.text-center {
  text-align: center;
}

.muted {
  color: var(--on-surface-variant);
}

.spacer {
  flex: 1;
}

.hide {
  display: none !important;
}

/* ─── Profile page ─── */

/* Header block: big circular avatar, name under it. */
.profile-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 8px 0 4px;
}

.avatar-button {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--surface-container);
  overflow: visible; /* let the camera badge spill outside the circle */
  padding: 0;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

.avatar-button:disabled {
  cursor: progress;
}

.avatar-img,
.avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px !important;
  color: var(--outline);
}

/* Small camera badge in the bottom-right of the avatar. */
.avatar-edit-badge {
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: white;
  display: flex !important;
  align-items: center;
  justify-content: center;
  font-size: 20px !important;
  box-shadow: var(--shadow-card);
}

.profile-hero-name {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--on-background);
}

.profile-hero-sub {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  min-height: 1.2em; /* reserve space so layout doesn't jump when empty */
}

/* Flat field rows inside the view-mode card. */
.profile-card .profile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--surface-container);
}
.profile-card .profile-row:last-child {
  border-bottom: none;
}

.profile-label {
  color: var(--on-surface-variant);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.profile-value {
  color: var(--on-background);
  font-weight: 600;
  font-size: 1rem;
  text-align: right;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Edit-mode inputs live in bare .field containers (no .input-wrap), so we
   give them their own bordered chrome here rather than inheriting the
   chrome-less style from the login form. */
.profile-card .field {
  margin-bottom: 12px;
}
.profile-card .field:last-child {
  margin-bottom: 0;
}
.profile-card .field input {
  padding: 12px 14px;
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-button);
  background: var(--surface-glass);
  color: var(--on-surface);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--motion-fast), background var(--motion-fast);
}
.profile-card .field input:focus {
  border-color: var(--primary-bright);
  background: var(--surface-elevated);
}

/* Cancel + Save sit side-by-side, full-width row. */
.profile-actions {
  display: flex;
  gap: 12px;
}
.profile-actions .btn {
  flex: 1;
}

.profile-logout {
  margin-top: 8px;
}

/* @@ SCANNER PULSE RINGS (Phase 7) @@ */
/* 3 concentric rings centred behind the QR target, expanding outward
   with staggered delays so the field has a "looking for the device"
   pulse. CSS-only; no JS keeps the wasm payload small. */
.scan-pulse {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.scan-pulse span {
  position: absolute;
  width: 65%;
  aspect-ratio: 1;
  border-radius: 16px;
  border: 2px solid rgba(68, 136, 255, 0.5);
  opacity: 0;
  animation: scan-pulse 2.4s cubic-bezier(0.2, 0.7, 0.3, 1) infinite;
}

.scan-pulse span:nth-child(2) { animation-delay: 0.8s; }
.scan-pulse span:nth-child(3) { animation-delay: 1.6s; }

@keyframes scan-pulse {
  0%   { transform: scale(0.85); opacity: 0; }
  20%  { opacity: 0.65; }
  100% { transform: scale(1.4);  opacity: 0; }
}

.scan-hint {
  text-align: center;
  margin: 12px 4px 4px;
}

.scan-manual-form {
  margin-top: 18px;
}

/* @@ QR SCAN — tap-to-start + retry surfaces (Phase 8.x) @@ */

/* Camera surface is always mounted (so NodeRef.get() resolves) but
   hidden until the user explicitly arms the camera with a tap. */
.scan-wrap-hidden {
  display: none;
}

/* Big call-to-action card shown when camera is Idle or Denied.
   Same chrome as `.glass-card` plus centred icon + button stack. */
.scan-start {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 36px 24px;
  margin-bottom: 8px;
  text-align: center;
}

.scan-start-icon {
  font-size: 56px;
  color: var(--primary-bright);
  filter: var(--accent-glow);
}

.scan-start-btn {
  min-width: 200px;
}

.scan-start-hint {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  max-width: 34ch;
}

/* Denied variant — warning accent on icon + message. */
.scan-denied .scan-start-icon {
  color: var(--warning);
  filter: drop-shadow(0 0 6px rgba(255, 170, 68, 0.5));
}

.scan-denied-msg {
  margin: 0;
  color: var(--warning);
  font-size: 0.9rem;
  font-weight: 600;
  max-width: 34ch;
}

/* @@ GLASS CARD (shared) @@ */
/* Reusable glass surface used by Home Dashboard and (Phase 4) Daily Report
   sections. Sits over the body's radial gradient so the blur is visible. */
.glass-card {
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

/* @@ HOME DASHBOARD @@ */
.home-page {
  /* Tighten top padding — the greeting sits where the page title would,
     so we don't need the standard 20px gap above it. */
  padding-top: 8px;
}

.home-greeting {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 8px 4px 4px;
}

.home-hello {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--on-surface);
  margin: 0;
}

.home-date {
  color: var(--on-surface-variant);
  font-size: 0.85rem;
  margin: 0;
}

.home-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Score ring centred above stat cards. The ring component owns its own
   size; the wrapper just centres + adds the small caption below. Rendered
   as a <button> so it's a tap-target that drills into the Daily Report. */
.home-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 0 4px;
  width: 100%;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  transition: transform var(--motion-fast);
}

.home-score:active:not(:disabled) {
  transform: scale(0.98);
}

.home-score:disabled {
  cursor: default;
}

.home-score-caption {
  color: var(--on-surface-variant);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 20px;
  text-align: center;
  color: var(--on-surface-variant);
}

.home-empty-icon {
  font-size: 40px;
  color: var(--primary-bright);
  filter: var(--accent-glow);
}

.home-cta-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(
    135deg,
    rgba(34, 68, 204, 0.55) 0%,
    rgba(85, 51, 170, 0.55) 100%
  );
  border-color: rgba(120, 140, 255, 0.25);
}

.home-cta-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.home-cta-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.home-cta-sub {
  color: rgba(208, 224, 255, 0.7);
  font-size: 0.78rem;
}

.home-cta-icon {
  font-size: 28px;
  color: #fff;
  filter: var(--accent-glow);
}

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

.home-trend-title {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* @@ SCORE RING @@ */
.score-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.score-ring svg {
  display: block;
  filter: drop-shadow(0 0 18px rgba(68, 136, 255, 0.35));
}

.score-ring-grade {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  color: var(--on-surface);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* @@ STAT CARDS @@ */
.stat-card-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 10px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
  text-align: center;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.stat-card-value-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
  color: var(--on-surface);
}

.stat-card-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1.1;
}

.stat-card-unit {
  font-size: 0.7rem;
  color: var(--on-surface-variant);
}

.stat-card-label {
  font-size: 0.7rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* @@ MINI BAR CHART @@ */
.mini-bar-chart {
  width: 100%;
}

.mini-bar-chart .mini-bar {
  fill: url(#ring-grad);
  /* Fall back to a flat colour for browsers that don't honour the
     #ring-grad shared definition (it lives on the score ring's SVG;
     bars get a flat brand colour instead). */
  fill: var(--primary-bright);
  opacity: 0.85;
}

.mini-bar-chart .mini-bar-empty {
  fill: var(--surface-glass-edge);
  opacity: 0.6;
}

/* @@ DAILY REPORT @@ */
.report-page {
  padding-top: 8px;
}

.report-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Headline = score ring + metadata column.
   On phones the columns stack; ≥600px viewports get the side-by-side. */
.report-headline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 22px 18px;
}

@media (min-width: 600px) {
  .report-headline {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 32px;
  }
}

.report-headline-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

@media (min-width: 600px) {
  .report-headline-meta {
    align-items: flex-start;
    width: auto;
  }
}

.report-grade {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-surface);
}

.report-times {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
}

.report-times li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-button);
}

.report-times-label {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.report-times-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--on-surface);
}

.report-noscore {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 3rem;
  color: var(--on-surface-faint);
}

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

.report-section-title {
  margin: 0 4px;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.report-stages {
  padding: 14px 14px 10px;
}

.report-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 20px;
  text-align: center;
  color: var(--on-surface-variant);
}

.report-empty-icon {
  font-size: 40px;
  color: var(--warning);
}

.report-disclaimer {
  margin: 4px 4px 0;
  font-size: 0.75rem;
  text-align: center;
}

/* @@ HYPNOGRAM @@ */
.hypnogram {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hypnogram svg {
  display: block;
  width: 100%;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.hypnogram-lane-line {
  stroke: var(--surface-glass-edge);
  stroke-width: 1;
  stroke-dasharray: 2 4;
  opacity: 0.6;
}

.hypnogram-bar.stage-awake { fill: var(--stage-awake); opacity: 0.85; }
.hypnogram-bar.stage-rem   { fill: var(--stage-rem);   opacity: 0.9; }
.hypnogram-bar.stage-light { fill: var(--stage-light); opacity: 0.9; }
.hypnogram-bar.stage-deep  { fill: var(--stage-deep);  opacity: 0.95; }

.hypnogram-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.hypnogram-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--on-surface-variant);
}

.hypnogram-legend-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.hypnogram-legend-swatch.stage-awake { background: var(--stage-awake); }
.hypnogram-legend-swatch.stage-rem   { background: var(--stage-rem); }
.hypnogram-legend-swatch.stage-light { background: var(--stage-light); }
.hypnogram-legend-swatch.stage-deep  { background: var(--stage-deep); }

.hypnogram-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px;
  color: var(--on-surface-variant);
  text-align: center;
}

.hypnogram-empty .material-symbols-outlined {
  font-size: 32px;
  opacity: 0.6;
}

/* @@ METRIC GRID @@ */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

@media (min-width: 600px) {
  .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.metric-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 10px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  text-align: center;
}

.metric-card-label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.metric-card-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--on-surface);
  line-height: 1.1;
}

.metric-card-unit {
  font-size: 0.7rem;
  color: var(--on-surface-faint);
}

/* @@ AI INSIGHTS @@ */
.insight-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.insight-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
}

.insight-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-container);
  color: var(--primary-bright);
  font-size: 22px;
}

.insight-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.insight-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.insight-label {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--on-surface);
}

.insight-pill {
  flex-shrink: 0;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  color: var(--on-surface-variant);
}

.insight-pill.insight-good {
  background: var(--tertiary-container);
  border-color: rgba(34, 221, 136, 0.3);
  color: var(--success);
}

.insight-pill.insight-warn {
  background: rgba(255, 170, 68, 0.15);
  border-color: rgba(255, 170, 68, 0.35);
  color: var(--warning);
}

.insight-tip {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
}

/* @@ DAILY REPORT — Phase 8 expansion @@ */

/* Headline now has 5 stat cells (was 3) — switch to a flexible grid that
   wraps on narrow viewports so labels never get cropped. */
.report-times {
  grid-template-columns: repeat(auto-fit, minmax(78px, 1fr));
}

/* Data-quality warning banner — sits directly under the headline so the
   user sees it before they trust the numbers. */
.report-quality-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 170, 68, 0.12);
  border: 1px solid rgba(255, 170, 68, 0.35);
  border-radius: var(--radius-card);
  color: var(--warning);
  font-size: 0.85rem;
}

.report-quality-banner .material-symbols-outlined {
  font-size: 20px;
  flex-shrink: 0;
}

/* Sleep-architecture donut wrapper — centres the SVG and stacks the
   legend underneath on phones, side-by-side on wider screens. */
.report-architecture {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 22px 18px;
}

@media (min-width: 600px) {
  .report-architecture {
    flex-direction: row;
    justify-content: center;
  }
}

/* @@ SLEEP DONUT @@ */
.sleep-donut {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

@media (min-width: 600px) {
  .sleep-donut {
    flex-direction: row;
    gap: 28px;
  }
}

.sleep-donut svg {
  display: block;
  filter: drop-shadow(0 0 14px rgba(68, 136, 255, 0.25));
}

/* Each arc picks up its colour from the shared --stage-* palette so
   donut + hypnogram + legend stay consistent. */
.donut-arc.stage-deep  { stroke: var(--stage-deep); }
.donut-arc.stage-light { stroke: var(--stage-light); }
.donut-arc.stage-rem   { stroke: var(--stage-rem); }
.donut-arc.stage-awake { stroke: var(--stage-awake); }

.donut-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 160px;
}

.donut-legend-item {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--on-surface);
}

.donut-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.donut-legend-swatch.stage-deep  { background: var(--stage-deep); }
.donut-legend-swatch.stage-light { background: var(--stage-light); }
.donut-legend-swatch.stage-rem   { background: var(--stage-rem); }
.donut-legend-swatch.stage-awake { background: var(--stage-awake); }

.donut-legend-label {
  color: var(--on-surface-variant);
}

.donut-legend-pct {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--on-surface);
}

/* @@ MOVEMENT CARD @@ */
.movement-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px;
}

.movement-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px 12px;
}

.movement-label {
  font-size: 0.78rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.movement-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--on-surface);
}

.movement-aux {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--on-surface-faint);
}

/* @@ INSIGHT DETAIL ROW @@ */
/* New small line between the verdict pill and the prose tip — used to
   surface the actual numeric values backing the verdict (e.g.
   "SDNN 135 ms · PNN50 47% · LF/HF 0.54"). */
.insight-detail {
  margin: 0;
  font-size: 0.78rem;
  color: var(--on-surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.02em;
}

/* @@ TRENDS @@ */
.trends-page {
  padding-top: 8px;
}

.trends-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.trends-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 20px;
  text-align: center;
}

/* Segmented control — pill row, three buttons, active gets the brand
   gradient. Used at the top of the Trends page to switch periods. */
.segmented {
  display: inline-flex;
  align-self: center;
  padding: 4px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-pill);
  gap: 4px;
}

.segmented-btn {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--on-surface-variant);
  background: transparent;
  transition: background var(--motion-fast), color var(--motion-fast);
}

.segmented-btn:hover {
  color: var(--on-surface);
}

.segmented-btn.active {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: var(--shadow-button);
}

/* Line chart — area path under the line, gradient stroke for the line,
   small dots at sampled points. */
.trend-chart-card {
  padding: 14px;
}

.trend-chart {
  display: block;
  width: 100%;
  height: 200px;
}

.trend-chart .trend-dot {
  fill: var(--primary-bright);
  filter: drop-shadow(0 0 4px rgba(68, 136, 255, 0.6));
}

/* Heatmap — 7 cols × 4 rows, cells coloured by sleep score, opacity
   carries the magnitude (higher score = brighter cell). */
.trend-heatmap-card {
  padding: 14px;
}

.trend-heatmap {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.trend-heatmap-cell {
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  background: linear-gradient(135deg, #4488FF 0%, #AA66FF 100%);
}

.trend-heatmap-cell.trend-heatmap-cell-empty {
  background: var(--surface-glass-edge);
  opacity: 0.4 !important; /* override inline style for missing cells */
}

/* Summary row — 3 stat cards laid out evenly. Re-uses the .stat-card
   styles from the Home Dashboard. */
.trend-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

/* @@ WELCOME @@ */
.welcome {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0 24px calc(40px + env(safe-area-inset-bottom));
  overflow: hidden;
}

/* Static starfield — 12 dots positioned absolutely, each animated via
   the shared `twinkle` keyframes with its own delay (set inline) so the
   field shimmers asynchronously. Pure CSS, no JS. */
.welcome-starfield {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.welcome-star {
  position: absolute;
  border-radius: 50%;
  background: #D0E0FF;
  opacity: 0.5;
  box-shadow: 0 0 6px rgba(208, 224, 255, 0.6);
  animation: welcome-twinkle 4s ease-in-out infinite;
}

@keyframes welcome-twinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50%      { opacity: 0.9; transform: scale(1.15); }
}

.welcome-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: 22vh;
  text-align: center;
}

.welcome-hero .hero-glyph {
  font-size: 72px;
  color: var(--primary-bright);
  filter: drop-shadow(0 0 18px rgba(68, 136, 255, 0.6));
}

.welcome-hero .brand-title {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 3rem;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, #4488FF 0%, #AA66FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.welcome-hero .subtitle {
  margin: 4px 0 0;
  font-size: 1rem;
  color: var(--on-surface-variant);
  max-width: 28ch;
}

.welcome-cta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 360px;
  align-self: center;
}

/* @@ AUTH PAGES (login + signup) @@ */
.auth-page .form {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 420px;
  margin: 0 auto;
  width: 100%;
}

.auth-page .form .btn-primary {
  margin-top: 8px;
}

.auth-page .muted.center {
  margin-top: 18px;
  font-size: 0.9rem;
}

.auth-page .muted.center a {
  font-weight: 600;
  margin-left: 4px;
}

/* @@ PROFILE — My devices section @@ */
.profile-devices {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.profile-devices-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.profile-section-title {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-devices-add {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  color: var(--primary-bright);
  transition: background var(--motion-fast), transform var(--motion-fast);
}

.profile-devices-add:hover {
  background: var(--surface-elevated);
  transform: scale(1.05);
}

.profile-devices-add .material-symbols-outlined {
  font-size: 20px;
}

.profile-devices-empty {
  margin: 4px 0;
  text-align: center;
  font-size: 0.85rem;
}

.profile-devices-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile-device-card {
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.profile-device-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  background: transparent;
  color: inherit;
  text-align: left;
}

.profile-device-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-container);
  color: var(--primary-bright);
}

.profile-device-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.profile-device-name {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-device-sub {
  font-size: 0.78rem;
  color: var(--on-surface-variant);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.profile-device-row .chev {
  color: var(--outline);
}

/* @@ DAILY REPORT — Phase 9 PDF parity @@ */

/* Top 4 mini-ring summary: 2-col grid on phones, 4-col on ≥600px. */
.report-rings-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
@media (min-width: 600px) {
  .report-rings-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.mini-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.mini-ring svg { display: block; }

.mini-ring-track {
  stroke: rgba(255, 255, 255, 0.08);
}

.mini-ring-value {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 22px;
  fill: var(--on-surface);
}

.mini-ring-unit {
  font-size: 9px;
  fill: var(--on-surface-variant);
  letter-spacing: 0.04em;
}

.mini-ring-label {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  text-align: center;
}

.tone-good .mini-ring-arc      { stroke: var(--success); }
.tone-warn .mini-ring-arc      { stroke: var(--warning); }
.tone-bad  .mini-ring-arc      { stroke: var(--error); }
.tone-neutral .mini-ring-arc   { stroke: var(--on-surface-faint); }
.tone-good .mini-ring-value    { fill: var(--success); }
.tone-warn .mini-ring-value    { fill: var(--warning); }
.tone-bad  .mini-ring-value    { fill: var(--error); }

/* 2-col layout for paired sections (Sleep overview | Architecture, OSA | Movement). */
.report-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 600px) {
  .report-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}
.report-grid-2 > .report-section { margin: 0; }

/* Equal-height cards within each 2-col row (Sleep Overview ↔ Architecture,
   Sleep Apnea ↔ Movement). The grid already stretches the two .report-section
   items to the taller one's height; making each card flex:1 lets it fill that
   height so both columns line up. Applies to both the individual report and the
   org report (same .report-grid-2 markup). */
.report-grid-2 .report-section > .glass-card {
  flex: 1;
}

/* Sleep overview rows: label left, value right */
.report-overview {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.overview-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--surface-glass-edge);
}
.overview-row:last-of-type { border-bottom: none; }

.overview-label {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

.overview-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  color: var(--on-surface);
}

/* Captions — coloured footnote lines under each card. */
.report-caption {
  margin: 8px 0 0;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  line-height: 1.45;
}
.caption-good {
  background: rgba(34, 221, 136, 0.10);
  border: 1px solid rgba(34, 221, 136, 0.25);
  color: var(--success);
}
.caption-warn {
  background: rgba(255, 170, 68, 0.10);
  border: 1px solid rgba(255, 170, 68, 0.30);
  color: var(--warning);
}

/* HR / RR analysis card */
.analysis-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.analysis-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.analysis-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: 10px;
  text-align: center;
}

.analysis-stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.analysis-stat-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--on-surface);
}

.analysis-stat-unit {
  font-size: 0.65rem;
  color: var(--on-surface-faint);
}

/* Time-series + motion chart shared axis styling */
.time-series-chart, .motion-chart {
  width: 100%;
  display: block;
}

.ts-gridline {
  stroke: var(--surface-glass-edge);
  stroke-width: 1;
  stroke-dasharray: 2 4;
  opacity: 0.5;
}

.ts-axis-label {
  font-family: var(--font-body);
  font-size: 9px;
  fill: var(--on-surface-variant);
}

.ts-axis-unit {
  font-family: var(--font-body);
  font-size: 8px;
  fill: var(--on-surface-faint);
}

.motion-chart .motion-bar {
  fill: var(--primary-bright);
  opacity: 0.8;
}

/* HRV 9-cell grid */
.hrv-grid-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.hrv-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hrv-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: 10px;
  text-align: center;
}

.hrv-cell-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--on-surface);
}

.hrv-cell-label {
  font-size: 0.68rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.04em;
}

/* OSA card */
.osa-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
}

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

.severity-pill {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.severity-normal {
  background: rgba(34, 221, 136, 0.15);
  border: 1px solid rgba(34, 221, 136, 0.3);
  color: var(--success);
}
.severity-mild {
  background: rgba(255, 170, 68, 0.15);
  border: 1px solid rgba(255, 170, 68, 0.35);
  color: var(--warning);
}
.severity-moderate {
  background: rgba(255, 119, 51, 0.18);
  border: 1px solid rgba(255, 119, 51, 0.4);
  color: #FF7733;
}
.severity-severe {
  background: rgba(239, 71, 111, 0.18);
  border: 1px solid rgba(239, 71, 111, 0.4);
  color: var(--error);
}

/* OSA severity scale */
.osa-severity { width: 100%; }
.osa-normal   { fill: #22DD88; }
.osa-mild     { fill: #FFAA44; }
.osa-moderate { fill: #FF7733; }
.osa-severe   { fill: #EF476F; }
.osa-marker line   { stroke: var(--on-surface); }
.osa-marker circle { fill: var(--on-surface); stroke: rgba(0,0,0,0.4); stroke-width: 1; }
.osa-label {
  font-family: var(--font-body);
  font-size: 9px;
  fill: var(--on-surface-variant);
}

/* Movement v2 card (Phase 9) */
.movement-card-v2 {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

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

.report-footer {
  margin: 18px 4px 0;
  font-size: 0.72rem;
  text-align: center;
}

/* ============================================================================
   INSTITUTIONAL (multi-tenant) shell + pages. Fully additive — none of the
   individual-app selectors above are touched. The org shell deliberately
   escapes the 480px `.app-shell` cap so the dashboard grid can breathe on
   tablet/desktop; navigation is a bottom bar on phones and a left sidebar
   from 1024px up. Design tokens are shared with the individual app.
   ========================================================================= */

/* @@ ORG SHELL @@ */
.org-shell {
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
  background: transparent;
  display: flex;
  flex-direction: column;
  padding-bottom: 0;
}

/* Registration reuses the narrow auth form even inside the wide shell. */
.org-shell .auth-page {
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.org-page {
  flex: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 20px calc(96px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--on-surface);
}

/* @@ ORG NAV — bottom bar (mobile) @@ */
.org-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 16, 32, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 1px solid var(--surface-glass-edge);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-around;
  z-index: 20;
}

.org-nav .tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--on-surface-variant);
  font-family: var(--font-headline);
  font-weight: 500;
  font-size: 0.7rem;
  padding: 6px 12px;
  border-radius: var(--radius-button);
  min-width: 60px;
  transition: color var(--motion-fast);
}

.org-nav .tab.active {
  color: var(--primary-bright);
}

.org-nav .tab.active .material-symbols-outlined {
  font-variation-settings: 'FILL' 1;
}

.org-nav-brand {
  display: none;
}

/* @@ ORG NAV — left sidebar (>=1024px) @@ */
@media (min-width: 1024px) {
  .org-nav {
    top: 0;
    bottom: 0;
    right: auto;
    width: 240px;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 4px;
    padding: 24px 12px;
    border-top: none;
    border-right: 1px solid var(--surface-glass-edge);
  }

  .org-nav .tab {
    flex-direction: row;
    justify-content: flex-start;
    gap: 14px;
    padding: 12px 16px;
    width: 100%;
    min-width: 0;
    font-size: 0.9rem;
  }

  .org-nav .tab.active {
    background: var(--surface-glass);
  }

  .org-nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 16px 20px;
    color: var(--on-surface);
    font-family: var(--font-headline);
    font-weight: 800;
    font-size: 1.1rem;
  }

  .org-nav-brand .material-symbols-outlined {
    color: var(--primary-bright);
  }

  .org-shell {
    padding-left: 240px;
  }

  .org-page {
    padding: 28px 32px 40px;
  }
}

/* @@ ORG TOPBAR @@ */
.org-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 0 4px;
}

.org-topbar-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0;
  color: var(--on-surface);
}

.org-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.org-seg {
  display: inline-flex;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-pill);
  padding: 3px;
}

.org-seg-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  color: var(--on-surface-variant);
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.8rem;
}

.org-seg-btn.active {
  background: var(--primary-gradient);
  color: #fff;
}

.org-seg-btn .material-symbols-outlined {
  font-size: 18px;
}

.org-seg-label {
  display: none;
}

@media (min-width: 768px) {
  .org-seg-label {
    display: inline;
  }
}

.org-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-variant);
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  transition: color var(--motion-fast);
}

.org-icon-btn:hover {
  color: var(--on-surface);
}

.org-icon-btn.danger {
  color: var(--error);
}

.org-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 20px 0 8px;
}

.org-page-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-variant);
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  transition: color var(--motion-fast);
}

.org-page-btn:hover:not(:disabled) {
  color: var(--on-surface);
}

.org-page-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.org-page-indicator {
  min-width: 56px;
  text-align: center;
  color: var(--on-surface-variant);
  font-variant-numeric: tabular-nums;
}

.org-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-button);
  background: var(--primary-gradient);
  color: #fff;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: var(--shadow-button);
}

.org-add-btn .material-symbols-outlined {
  font-size: 20px;
}

/* @@ ORG CARD GRID @@ */
.org-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.org-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  align-items: stretch;
  padding: 16px;
  transition: transform var(--motion-fast), border-color var(--motion-fast);
}

.org-card:active {
  transform: scale(0.99);
}

.org-card.problem {
  border-color: rgba(239, 71, 111, 0.45);
}

.org-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.org-card-id {
  min-width: 0;
}

.org-card-name {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.org-card-sub {
  color: var(--on-surface-variant);
  font-size: 0.8rem;
}

.org-score {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.1rem;
  border: 2px solid var(--outline);
}

.org-score.good {
  color: var(--success);
  border-color: var(--success);
}

.org-score.fair {
  color: var(--warning);
  border-color: var(--warning);
}

.org-score.poor {
  color: var(--error);
  border-color: var(--error);
}

.org-score.none {
  color: var(--on-surface-faint);
  font-size: 1rem;
}

.org-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.org-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-family: var(--font-headline);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.org-chip-warn {
  background: rgba(255, 170, 68, 0.15);
  color: var(--warning);
}

.org-chip-alert {
  background: rgba(239, 71, 111, 0.16);
  color: var(--error);
}

.org-chip-muted {
  background: var(--surface-glass);
  color: var(--on-surface-variant);
  margin-left: 8px;
}

.org-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 0 2px;
  border-top: 1px solid var(--outline-variant);
}

.org-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: center;
}

.org-metric-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--on-surface);
}

.org-metric-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
}

.org-noreport {
  color: var(--on-surface-variant);
  font-size: 0.85rem;
  padding: 8px 0;
  border-top: 1px solid var(--outline-variant);
}

.org-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--on-surface-variant);
  font-size: 0.72rem;
}

.org-card-foot .chev {
  color: var(--outline);
  font-size: 20px;
}

/* @@ ORG ROWS (list mode + management) @@ */
.org-row-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.org-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
  text-align: left;
}

.org-row-icon {
  color: var(--primary-bright);
}

.org-row-meta {
  flex: 1;
  min-width: 0;
}

.org-row-name {
  font-family: var(--font-headline);
  font-weight: 600;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
}

.org-row-sub {
  color: var(--on-surface-variant);
  font-size: 0.78rem;
}

.org-row .chev {
  color: var(--outline);
}

.org-dot-problem {
  background: var(--error);
  box-shadow: 0 0 6px rgba(239, 71, 111, 0.7);
}

/* History-row total sleep (right-aligned; .org-row-meta flex:1 pushes it here).
   > 1h renders in the normal light text; < 1h in red. */
.org-row-sleep {
  flex-shrink: 0;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
}

.org-row-sleep.good {
  color: var(--on-surface);
}

.org-row-sleep.bad {
  color: var(--error);
}

.org-subject-row {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
}

.org-subject-row.inactive {
  opacity: 0.55;
}

.org-row-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* @@ ORG FORMS @@ */
.org-form {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.org-form-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.org-form-actions {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.org-form-actions .btn {
  flex: 1;
}

.org-select {
  background: var(--surface-card);
  border: 1.5px solid var(--outline-variant);
  border-radius: var(--radius-button);
  padding: 12px 14px;
  color: var(--on-background);
  font-size: 1rem;
}

.org-select-sm {
  padding: 8px 10px;
  font-size: 0.8rem;
}

/* @@ ORG EMPTY / LOADING / SETTINGS @@ */
.org-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px 20px;
  text-align: center;
  color: var(--on-surface-variant);
}

.org-empty-icon {
  font-size: 44px;
  color: var(--on-surface-faint);
}

.org-loading {
  padding: 40px 20px;
  text-align: center;
  color: var(--on-surface-variant);
}

.org-settings-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.org-settings-danger {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

/* @@ ORG HISTORY / REPORT (full-width, sidebar persists on wide screens) @@ */
/* Escape the 1280px .org-page cap so history/report fill the content area to
   the right of the sidebar. */
.org-wide {
  max-width: none;
}

.org-report-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Report header meta bar: resident / bed-room / date / device. */
.org-report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  padding: 14px 18px;
  background: var(--surface-glass);
  border: 1px solid var(--surface-glass-edge);
  border-radius: var(--radius-card);
}

.org-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.org-meta-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-surface-variant);
}

.org-meta-value {
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--on-surface);
}

/* Total sleep time — pushed to the right edge of the header bar, emphasised. */
.org-report-total {
  margin-left: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.org-report-total-value {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary-bright);
  line-height: 1.1;
}

/* Reuse the individual report's section styles verbatim (render_report), but
   let the 2-column blocks span the wider org layout. */
.org-report-body .report-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .org-report-body .report-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}