/**
 * Today's Brief — platform shell (Android-aligned).
 * Loaded after styles.css; scoped under .tb-platform-active where needed.
 */

body.tb-platform-active {
  --tb-rail-width: 5rem;
  --tb-bottom-nav-height: 3.75rem;
  --tb-audio-dock-height: 4.25rem;
  --tb-brand: #6366f1;
  --tb-brand-soft: rgba(99, 102, 241, 0.14);
  --tb-transition-tab: 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Hide legacy desktop rail when platform rail active */
body.tb-platform-active #desktop-rail.desktop-rail {
  display: none !important;
}

body.tb-platform-active .app-shell {
  display: grid;
  grid-template-columns: 0 minmax(0, 1fr);
  width: min(100%, 100vw);
  max-width: none;
  margin: 0;
  padding: 0;
  min-height: 100dvh;
}

@media (min-width: 600px) {
  body.tb-platform-active .app-shell {
    grid-template-columns: var(--tb-rail-width) minmax(0, 1fr);
  }
}

body.tb-platform-active .app-shell__body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  min-width: 0;
  padding-bottom: calc(var(--tb-bottom-nav-height) + env(safe-area-inset-bottom, 0px));
}

@media (min-width: 600px) {
  body.tb-platform-active .app-shell__body {
    padding-bottom: 0;
  }
}

/* Navigation rail */
#tb-nav-rail.tb-nav-rail {
  display: none;
}

@media (min-width: 600px) {
  #tb-nav-rail.tb-nav-rail {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    position: sticky;
    top: 0;
    align-self: start;
    height: 100dvh;
    padding: 1rem 0.5rem;
    background: var(--surface);
    border-right: 1px solid var(--border);
    z-index: 40;
  }
}

.tb-nav-rail__brand {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.tb-nav-rail__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.5rem 0.35rem;
  border: none;
  background: transparent;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.625rem;
  font-weight: 500;
  min-height: 44px;
  transition: background var(--tb-transition-tab), color var(--tb-transition-tab);
}

.tb-nav-rail__item:hover,
.tb-nav-rail__item:focus-visible {
  background: var(--surface-alt);
  color: var(--text);
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.tb-nav-rail__item.is-active {
  background: var(--tb-brand-soft);
  color: var(--accent);
}

.tb-nav-rail__icon {
  font-size: 1.2rem;
  line-height: 1;
}

.tb-content-column {
  flex: 1;
  min-width: 0;
  transition: opacity var(--tb-transition-tab);
}

body.tb-platform-active .dashboard {
  border-radius: 0;
  margin: 0;
  min-height: calc(100dvh - var(--tb-bottom-nav-height));
  box-shadow: none;
  border-left: none;
  border-right: none;
}

@media (min-width: 600px) {
  body.tb-platform-active .dashboard {
    min-height: 100dvh;
    border-radius: 0;
  }
}

/* Bottom nav — platform polish */
body.tb-platform-active .app-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  height: calc(var(--tb-bottom-nav-height) + env(safe-area-inset-bottom, 0px));
}

@media (min-width: 600px) {
  body.tb-platform-active .app-bottom-nav {
    display: none;
  }
}

body.tb-platform-active .app-bottom-nav__link.is-active,
body.tb-platform-active [data-tb-nav].is-active.app-bottom-nav__link {
  color: var(--accent);
}

/* Home header — Today's Brief branding */
body.tb-platform-active .dashboard__title-stack h1 {
  font-size: var(--type-title);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tb-home-header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

#tb-streak-chip.tb-streak-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: var(--type-meta);
  font-weight: 600;
  background: var(--tb-brand-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

#tb-insight-strip.tb-insight-strip {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  margin: 0.25rem 0 0.75rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

#tb-insight-strip.tb-insight-strip:empty {
  display: none;
}

.tb-premium-intel-teaser {
  margin: 0.35rem 0 1.25rem;
  padding: 0.75rem 0.85rem;
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface-alt) 88%, var(--accent) 12%);
  border: 1px solid color-mix(in srgb, var(--border) 70%, var(--accent) 22%);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 40%, transparent),
    0 8px 22px color-mix(in srgb, var(--accent) 12%, transparent);
}

.tb-premium-intel-teaser__head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.tb-premium-intel-teaser__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(0.62rem, 2.8vw, 0.82rem);
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
}

.tb-premium-intel-teaser__subscribe {
  flex: 0 0 auto;
  border: none;
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    color-mix(in srgb, var(--accent) 55%, #c9a227 45%) 48%,
    color-mix(in srgb, var(--accent) 75%, #7b5cff 25%) 100%
  );
  box-shadow:
    0 0 0 1px color-mix(in srgb, #fff 28%, transparent) inset,
    0 4px 14px color-mix(in srgb, var(--accent) 38%, transparent);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.tb-premium-intel-teaser__subscribe:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px color-mix(in srgb, #fff 35%, transparent) inset,
    0 6px 18px color-mix(in srgb, var(--accent) 45%, transparent);
}

.tb-premium-intel-teaser__subscribe:active {
  transform: translateY(0);
}

.tb-premium-intel-teaser__body {
  margin: 0.5rem 0 0;
  min-width: 0;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.25;
  color: var(--text-muted, var(--muted));
}

/* Home feed: teaser sits directly above carousel — scroll gap handles separation */
#tb-home-feed-scroll > .tb-premium-intel-teaser {
  margin: 0;
  width: 100%;
}

.tb-insight-chip {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: var(--type-meta);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.tb-insight-chip:hover,
.tb-insight-chip:focus-visible {
  border-color: var(--accent);
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* Android Home feed — vertical phone, two-pane tablet (HomeExpandedDashboardLayout) */
.tb-home-feed__scroll {
  display: flex;
  flex-direction: column;
  gap: var(--space-6, 1.5rem);
  padding: 0 var(--space-4, 1rem) var(--space-8, 2rem);
}

body.tb-home-feed-active .cards,
body.tb-home-feed-active #dashboard-tiles {
  display: none !important;
}

body.tb-tab-feed-active .cards {
  display: block !important;
}

body.tb-tab-feed-active #dashboard-tiles {
  display: flex !important;
  flex-direction: column;
  gap: var(--space-4, 1rem);
  grid-template-columns: none !important;
  max-width: min(100%, 720px);
  margin: 0 auto;
}

body.tb-tab-feed-active .dashboard-tile.tb-feed-panel {
  grid-column: auto !important;
  width: 100%;
  max-height: none;
}

body.tb-tab-feed-active .tile-drag-handle,
body.tb-tab-feed-active .tile-resize-handle {
  display: none !important;
}

.tb-home-feed__carousel .today-brief.glance-home-shell {
  margin: 0;
}

.tb-home-feed__editorial .tb-home-editorial-card {
  border-radius: var(--radius-card-primary, 16px);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--card-elev-standard);
  overflow: hidden;
}

.tb-home-feed__editorial .glance-collapsible__panel {
  display: block !important;
}

@media (min-width: 600px) {
  body.tb-home-expanded .tb-home-feed__scroll {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6, 1.5rem);
    align-items: start;
    max-width: min(100%, 960px);
    margin: 0 auto;
    padding-left: var(--space-6, 1.5rem);
    padding-right: var(--space-6, 1.5rem);
  }

  body.tb-home-expanded .tb-home-feed__carousel,
  body.tb-home-expanded .tb-home-feed__editorial {
    border-radius: var(--radius-card-primary, 16px);
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: var(--card-elev-standard);
    padding: var(--space-4, 1rem);
    min-height: 17rem;
  }

  body.tb-home-expanded .today-brief-weather.mobile-weather-brief {
    grid-column: 1 / -1;
  }
}

/* Carousel dock chips — Android dock magnification affordance */
#tb-carousel-dock.tb-carousel-dock {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0 0.75rem;
  padding: 0.15rem 0;
}

.tb-carousel-dock__chip {
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: var(--type-meta);
  font-weight: 500;
  cursor: pointer;
  transition:
    transform var(--tb-carousel-jump-ms, 420ms) cubic-bezier(0.22, 1, 0.36, 1),
    background var(--duration-fast, 150ms) ease,
    color var(--duration-fast, 150ms) ease,
    box-shadow var(--duration-fast, 150ms) ease;
}

.tb-carousel-dock__chip:hover,
.tb-carousel-dock__chip:focus-visible {
  border-color: var(--accent);
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.tb-carousel-dock__chip.is-active {
  background: var(--tb-brand-soft);
  color: var(--accent);
  transform: scale(1.04);
  box-shadow: var(--card-elev-subtle);
}

.today-brief__card--quote {
  min-height: 12rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.today-brief__quote-block {
  margin: 0;
  flex: 1;
}

.today-brief__quote-text {
  font-size: var(--type-section);
  font-weight: 500;
  line-height: var(--font-line-snug, 1.35);
  color: var(--text);
}

.today-brief__quote-sub {
  margin: 0;
}

.today-brief__card--premium-intel .tb-premium-badge {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--tb-brand-soft);
  color: var(--accent);
  font-size: var(--type-meta);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.today-brief__premium-title {
  margin: 0 0 0.35rem;
  font-size: var(--type-section);
  font-weight: 600;
}

.today-brief__premium-greeting {
  margin: 0.65rem 0 0.35rem;
  font-size: var(--type-title-sm, 1.05rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
  text-align: center;
}

.today-brief__premium-content-greeting {
  margin: 0 0 0.65rem;
  font-size: var(--type-section);
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

.tb-premium-sections {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0.35rem 0 0.5rem;
}

.tb-premium-section {
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-alt) 88%, var(--accent) 12%);
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
}

.tb-premium-section__title {
  display: block;
  font-size: var(--type-meta);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.tb-premium-section__body {
  margin: 0;
  font-size: var(--type-body);
  line-height: var(--font-line-normal, 1.45);
  color: var(--text);
}

.tb-premium-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.tb-premium-cta {
  margin-top: 0.75rem;
  border: none;
  border-radius: 12px;
  padding: 0.5rem 0.85rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

/* Free tier: no insight CTA row — center carousel card titles (premium keeps start + CTA band) */
.glance-rotate__slide .today-brief__card.tb-carousel-hero-card:not(.tb-carousel-has-insight-cta) .today-brief__eyebrow,
.glance-rotate__slide .tb-carousel-tasks-card:not(.tb-carousel-has-insight-cta) .today-brief__eyebrow,
.glance-rotate__slide .tb-carousel-news-card:not(.tb-carousel-has-insight-cta) .today-brief__eyebrow {
  text-align: center;
  align-self: center;
  width: 100%;
  box-sizing: border-box;
}

/* Carousel — Your Tasks card */
.tb-carousel-tasks-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.tb-carousel-tasks-card .today-brief__eyebrow {
  flex-shrink: 0;
  margin-bottom: 0.35rem;
}

.tb-carousel-tasks__list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-right: 0.15rem;
}

.tb-carousel-tasks__empty {
  margin: auto 0;
  text-align: center;
  padding: 0.5rem 0;
}

.tb-carousel-tasks__row {
  display: flex;
  align-items: stretch;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 0.5px solid color-mix(in srgb, var(--outline, #888) 14%, transparent);
  overflow: hidden;
}

.tb-carousel-tasks__rail {
  width: 3px;
  flex-shrink: 0;
}

.tb-carousel-tasks__rail.tb-carousel-tasks__pri--high {
  background: var(--danger, #c62828);
}

.tb-carousel-tasks__rail.tb-carousel-tasks__pri--medium {
  background: var(--accent);
}

.tb-carousel-tasks__rail.tb-carousel-tasks__pri--low {
  background: color-mix(in srgb, var(--accent) 55%, var(--text-muted));
}

.tb-carousel-tasks__rail.tb-carousel-tasks__pri--none {
  background: color-mix(in srgb, var(--text-muted) 45%, transparent);
}

.tb-carousel-tasks__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.5rem 0.65rem;
}

.tb-carousel-tasks__title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tb-carousel-tasks__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
}

.tb-carousel-tasks__pri {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  border: 0.5px solid transparent;
}

.tb-carousel-tasks__pri--high {
  color: var(--danger, #c62828);
  background: color-mix(in srgb, var(--danger, #c62828) 14%, transparent);
  border-color: color-mix(in srgb, var(--danger, #c62828) 35%, transparent);
}

.tb-carousel-tasks__pri--medium {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.tb-carousel-tasks__pri--low {
  color: color-mix(in srgb, var(--accent) 70%, var(--text));
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.tb-carousel-tasks__pri--none {
  color: var(--text-muted);
  background: color-mix(in srgb, var(--text-muted) 12%, transparent);
  border-color: color-mix(in srgb, var(--text-muted) 28%, transparent);
}

/* Carousel — News card */
.tb-carousel-news-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.tb-carousel-news-card .today-brief__eyebrow {
  flex-shrink: 0;
  margin-bottom: 0.15rem;
}

.tb-carousel-news__category {
  flex-shrink: 0;
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.85;
}

.tb-carousel-news__list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-right: 0.15rem;
}

.tb-carousel-news__empty {
  margin: auto 0;
  text-align: center;
  padding: 0.5rem 0;
}

.tb-carousel-news__row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 0.5px solid color-mix(in srgb, var(--outline, #888) 14%, transparent);
  padding: 0.5rem 0.65rem;
}

.tb-carousel-news__rank {
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent);
}

.tb-carousel-news__title {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tb-carousel-tasks__due {
  font-size: 0.68rem;
}

/* Carousel idle breath — Android CarouselMotionTokens.idleBreathPeriodMs */
@keyframes tb-carousel-idle-breath {
  0%,
  100% {
    transform: scale(1);
    box-shadow: var(--card-elev-standard);
  }
  50% {
    transform: scale(1.012);
    box-shadow: var(--card-elev-highlight);
  }
}

#glance-rotate.tb-carousel-idle-motion .glance-rotate__slide--active .tb-carousel-hero-card {
  animation: tb-carousel-idle-breath 5.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  #glance-rotate.tb-carousel-idle-motion .glance-rotate__slide--active .tb-carousel-hero-card {
    animation: none;
  }
}

body.tb-home-expanded .today-brief-weather.today-brief__weather-in-carousel {
  margin-top: 0;
}

/* News list-detail — Expanded canvas */
#tb-news-detail-pane {
  display: none;
}

@media (min-width: 840px) {
  body.tb-news-list-detail #tb-news-detail-pane {
    display: block;
  }

  body.tb-news-list-detail .cards {
    display: grid !important;
    grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
    gap: var(--space-6, 1.5rem);
    align-items: start;
    max-width: min(100%, 960px);
    margin: 0 auto;
  }

  body.tb-news-list-detail #tile-news {
    grid-column: 1;
    max-height: calc(100dvh - 3rem);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  body.tb-news-list-detail #tile-news .news-tiles {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }

  body.tb-news-list-detail #tb-news-detail-pane {
    grid-column: 2;
    position: sticky;
    top: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-card-primary, 16px);
    background: var(--surface);
    padding: 0;
    box-shadow: var(--card-elev-standard);
    min-height: min(70dvh, 42rem);
    max-height: calc(100dvh - 2rem);
    overflow: hidden;
  }
}

body.tb-news-list-detail .news-item.is-selected {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tb-news-detail__thumb {
  width: 100%;
  max-height: 12rem;
  object-fit: cover;
  border-radius: var(--radius-card-secondary, 12px);
  margin-bottom: 0.75rem;
}

.tb-news-detail__title {
  margin: 0 0 0.5rem;
  font-size: var(--type-title);
}

.tb-news-detail__open {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
  font-weight: 600;
}

/* Carousel motion — Android CarouselMotionTokens */
.glance-rotate__slide {
  transition:
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .glance-rotate__slide,
  html.tb-theme-transitioning,
  html.tb-theme-transitioning * {
    transition: none !important;
  }
}

/* Global audio dock */
#tb-audio-dock.tb-audio-dock {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--tb-bottom-nav-height) + env(safe-area-inset-bottom, 0px) + 0.5rem);
  z-index: 55;
  width: min(24rem, calc(100vw - 1.5rem));
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
}

@media (min-width: 600px) {
  #tb-audio-dock.tb-audio-dock {
    bottom: 1rem;
    left: auto;
    right: 1rem;
    transform: none;
  }
}

#tb-audio-dock.tb-audio-dock[hidden] {
  display: none !important;
}

.tb-audio-dock__meta {
  flex: 1;
  min-width: 0;
}

.tb-audio-dock__title {
  margin: 0;
  font-size: var(--type-body);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tb-audio-dock__subtitle {
  margin: 0;
  font-size: var(--type-meta);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tb-audio-dock__btn {
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: none;
  background: var(--btn-solid-bg);
  color: var(--btn-solid-fg);
  cursor: pointer;
  font-size: 1rem;
}

.tb-audio-dock__btn--ghost {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
}

.tb-audio-dock__btn:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

body.tb-platform-active.account-sheet-open #tb-audio-dock {
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
}

@media (prefers-reduced-motion: reduce) {
  body.tb-platform-active .tb-content-column,
  .tb-nav-rail__item {
    transition: none;
  }
}

/* ═══ Phase 3: Full-screen Preferences ═══ */
body.tb-preferences-fullscreen #main-content {
  visibility: hidden;
  pointer-events: none;
  position: fixed;
  width: 0;
  height: 0;
  overflow: hidden;
}

body.tb-preferences-fullscreen .prefs-panel {
  position: fixed;
  inset: 0;
  z-index: 90;
  width: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
}

body.tb-preferences-fullscreen .prefs-panel__scroll {
  flex: 1;
  overflow-y: auto;
  max-height: none;
}

body.tb-preferences-fullscreen .tb-prefs-screen-close {
  display: block;
  width: calc(100% - 2rem);
  margin: 1rem auto 1.5rem;
  padding: 0.75rem;
  border: none;
  border-radius: 12px;
  background: var(--btn-solid-bg);
  color: var(--btn-solid-fg);
  font-weight: 600;
  cursor: pointer;
}

.prefs-hub__title {
  margin: 1rem 0 0.5rem;
  font-size: var(--type-section);
  font-weight: 600;
}

.prefs-hub__btn {
  display: block;
  width: 100%;
  text-align: left;
  margin-bottom: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

/* ═══ Phase 3: Morning brief dock ═══ */
.tb-morning-dock {
  margin: 0.5rem 0 1rem;
  border-radius: var(--radius-card-primary);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--tb-brand-soft), transparent 55%), var(--surface);
  box-shadow: var(--card-elev-standard);
  overflow: hidden;
}

.tb-morning-dock__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.85rem 1rem;
  border: none;
  background: transparent;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.tb-morning-dock__bar-title {
  font-weight: 600;
  font-size: var(--type-section);
}

.tb-morning-dock__bar-cta {
  font-size: var(--type-meta);
  font-weight: 600;
  color: var(--accent);
}

.tb-morning-dock__expanded {
  padding: 0 1rem 1rem;
}

.tb-morning-dock__summary {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: var(--type-body);
  line-height: 1.45;
}

.tb-morning-dock__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tb-morning-dock__play {
  flex: 1 1 8rem;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  border: none;
  background: var(--btn-solid-bg);
  color: var(--btn-solid-fg);
  font-weight: 600;
  cursor: pointer;
}

.tb-morning-dock__play--premium {
  background: var(--accent);
}

.tb-morning-dock__collapse {
  margin-top: 0.75rem;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
}

body.tb-morning-dock-expanded .tb-home-expanded__grid {
  display: none;
}

body.tb-morning-dock-expanded .tb-morning-dock {
  margin-bottom: 1.5rem;
}

.tb-glance-slide-hidden {
  display: none !important;
}

/* ═══ Phase 4: Premium overlay ═══ */
.tb-overlay-backdrop {
  position: fixed;
  inset: 0;
  z-index: 115;
  background: rgba(0, 0, 0, 0.5);
}

.tb-premium-overlay,
.tb-carousel-customize {
  position: fixed;
  z-index: 120;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(28rem, calc(100vw - 2rem));
  max-height: min(85vh, 640px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-shell);
  box-shadow: var(--shadow-hover);
  padding: 1.25rem;
}

.tb-premium-overlay__head,
.tb-carousel-customize__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tb-premium-overlay__title,
.tb-carousel-customize__title {
  margin: 0;
  font-size: var(--type-section);
}

.tb-premium-copy {
  line-height: 1.5;
  color: var(--text);
}

.tb-premium-prices {
  margin: 1rem 0;
  padding-left: 1.25rem;
}

.tb-premium-meta,
.tb-premium-foot {
  font-size: var(--type-body);
  color: var(--muted);
  line-height: 1.45;
}

.tb-carousel-customize__lead {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: var(--type-body);
}

.tb-carousel-customize-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 0.35rem;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.tb-carousel-customize-row__toggle,
.tb-carousel-customize-row__move {
  border: none;
  background: var(--surface-alt);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  font: inherit;
}

.tb-carousel-customize-row__move:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.tb-carousel-customize__done,
.tb-premium-overlay__close {
  border: none;
  background: var(--surface-alt);
  border-radius: 8px;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
}

.account-form__segmented {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.account-form__segment {
  flex: 1;
  padding: 0.45rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  font: inherit;
}

.account-form__segment.is-active {
  background: var(--tb-brand-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.account-form__hint {
  font-size: var(--type-meta);
  color: var(--muted);
  margin-top: 0.75rem;
  line-height: 1.4;
}

/* Carousel intelligent insights — row 1 CTA (top-end); card body starts row 2 */
.tb-carousel-hero-card.tb-carousel-has-insight-cta,
.today-brief__card.tb-carousel-hero-card.tb-carousel-has-insight-cta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: calc(12rem + 1.75rem);
}

body.tb-home-expanded .tb-carousel-hero-card.tb-carousel-has-insight-cta,
body.tb-home-expanded .today-brief__card.tb-carousel-hero-card.tb-carousel-has-insight-cta {
  min-height: calc(17rem + 1.75rem);
}

.tb-carousel-insight-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex: 0 0 auto;
  min-height: 1.65rem;
  width: 100%;
}

.tb-carousel-insight-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: inherit;
}

.tb-carousel-insight-trigger {
  position: static;
  max-width: min(100%, 11.5rem);
  margin-inline-start: auto;
  padding: 0.32rem 0.6rem;
  border: none;
  border-radius: 999px;
  font-size: clamp(0.55rem, 2vw, 0.68rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(
    135deg,
    var(--accent) 0%,
    color-mix(in srgb, var(--accent) 50%, #c9a227 48%) 50%,
    color-mix(in srgb, var(--accent) 70%, #7b5cff 30%) 100%
  );
  box-shadow:
    0 0 0 1px color-mix(in srgb, #fff 22%, transparent) inset,
    0 6px 16px color-mix(in srgb, var(--accent) 42%, transparent);
}

.tb-carousel-insight-trigger:hover {
  filter: brightness(1.06);
}

body.tb-carousel-insight-open {
  overflow: hidden;
}

.tb-carousel-insight-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: color-mix(in srgb, #0a0c12 55%, transparent);
  backdrop-filter: blur(6px);
}

.tb-carousel-insight-modal__panel {
  display: flex;
  flex-direction: column;
  width: min(100%, 26rem);
  height: min(32rem, 86vh);
  max-height: 86vh;
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--surface) 92%, var(--accent) 8%) 0%,
    var(--surface) 55%
  );
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  box-shadow:
    0 24px 48px color-mix(in srgb, #000 28%, transparent),
    0 0 0 1px color-mix(in srgb, #fff 8%, transparent) inset;
}

.tb-carousel-insight-modal__header {
  flex: 0 0 auto;
  position: relative;
  padding: 0.85rem 0.85rem 0.65rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
}

.tb-carousel-insight-modal__close-icon {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-alt) 90%, transparent);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.tb-carousel-insight-modal__audio-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-right: 2.25rem;
}

.tb-carousel-insight-modal__play {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 3.25rem;
  height: 3.25rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  background: linear-gradient(
    145deg,
    var(--accent),
    color-mix(in srgb, var(--accent) 55%, #7b5cff 45%)
  );
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 45%, transparent);
}

.tb-carousel-insight-modal__play::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  margin: 0 auto;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 14px solid #fff;
  transform: translateX(2px);
}

.tb-carousel-insight-modal__play.is-playing::after {
  width: 12px;
  height: 14px;
  border: none;
  transform: none;
  background: linear-gradient(to right, #fff 0 45%, transparent 45% 55%, #fff 55% 100%);
}

.tb-carousel-insight-modal__play.is-busy {
  opacity: 0.65;
  pointer-events: none;
}

.tb-carousel-insight-modal__audio-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.tb-carousel-insight-modal__audio-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.tb-carousel-insight-modal__audio-sub {
  font-size: 0.72rem;
  color: var(--muted);
}

.tb-carousel-insight-modal__audio-error {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  color: var(--danger, #c62828);
  line-height: 1.3;
}

.tb-carousel-insight-modal__scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0.85rem 1rem;
  -webkit-overflow-scrolling: touch;
}

.tb-carousel-insight-modal__heading {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.tb-carousel-insight-modal__para {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text);
}

.tb-carousel-insight-modal__loading,
.tb-carousel-insight-modal__error {
  font-size: 0.88rem;
  color: var(--muted);
}

.tb-carousel-insight-modal__footer {
  flex: 0 0 auto;
  padding: 0.65rem 0.85rem 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
}

.tb-carousel-insight-modal__close-bottom {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  border-radius: 12px;
  background: var(--surface-alt);
  font: inherit;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}