/* Estrutura de colunas, shell e faixa diária.
   Extraído de style.css na Fase 6 sem alterar regras visuais. */

.shell {
  width: 100%;
  min-width: 0;
  height: auto;
  max-height: none;
  min-height: calc(100vh - 106px);
  overflow: visible;
  display: grid;
  grid-template-columns: minmax(250px, 26fr) minmax(520px, 48fr) minmax(260px, 26fr);
  align-items: stretch;
}

.daily-strip {
  position: relative;
  grid-column: 1 / -1;
  grid-row: 2;
  min-width: 0;
  min-height: 34px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px clamp(18px, 2vw, 32px);
  border-top: 1px solid rgba(248, 240, 218, 0.16);
  background: transparent;
  color: rgba(248, 240, 218, 0.9);
}

html[data-theme="night"] .daily-strip {
  background: transparent;
  color: rgba(241, 222, 177, 0.9);
}

html[data-theme="night"] .daily-label {
  color: rgba(199, 217, 180, 0.62);
}

html[data-theme="night"] .daily-separator {
  color: rgba(205, 181, 121, 0.58);
}

.daily-track {
  position: relative;
  z-index: 1;
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 0;
  font-family: var(--font);
  font-size: clamp(13px, 1.05vw, 16px);
  line-height: 1.35;
}

.daily-label {
  color: var(--accent-title);
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

#dailyQuoteTextClone {
  display: none;
}

.daily-viewport {
  --daily-start-x: 100%;
  --daily-end-x: -100%;
  --daily-motion-duration: 0s;
  --daily-motion-offset: 0s;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  mask-image: none;
}

.daily-viewport:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent-title) 72%, transparent);
  outline-offset: 5px;
  border-radius: 2px;
}

.daily-marquee-track {
  display: block;
  width: max-content;
  min-width: 0;
  transform: none;
}

#dailyQuoteText,
#dailyQuoteTextClone {
  display: block;
  flex: 0 0 auto;
  width: max-content;
  min-width: 0;
  white-space: nowrap;
}

#dailyQuoteTextClone {
  display: none;
}

#dailyQuoteText {
  will-change: auto;
}

@keyframes daily-quote-loop {
  from {
    transform: translate3d(var(--daily-start-x), 0, 0);
  }

  to {
    transform: translate3d(var(--daily-end-x), 0, 0);
  }
}

.daily-viewport.is-moving {
  mask-image: linear-gradient(90deg, transparent, #000 14px, #000 calc(100% - 14px), transparent);
}

.daily-viewport.is-moving .daily-marquee-track {
  display: block;
  animation: daily-quote-loop var(--daily-motion-duration) linear infinite;
  animation-delay: var(--daily-motion-offset);
  will-change: transform;
}

.daily-viewport.is-moving #dailyQuoteTextClone {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .daily-track {
    animation: none;
    transform: none;
  }

  .daily-viewport {
    mask-image: none;
  }

  .daily-viewport.is-moving .daily-marquee-track,
  .daily-marquee-track {
    display: block;
    width: auto;
    min-width: 0;
    animation: none;
    transform: none;
    will-change: auto;
  }

  .daily-viewport.is-moving #dailyQuoteText,
  #dailyQuoteText {
    width: auto;
    min-width: 0;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .daily-viewport.is-moving #dailyQuoteTextClone,
  #dailyQuoteTextClone {
    display: none;
  }
}

.col-left,
.col-center,
.col-right {
  min-width: 0;
  overflow: visible;
}

.col-left {
  padding: clamp(22px, 2.4vw, 38px) clamp(18px, 2.1vw, 32px) 34px;
  border-right: 1px solid var(--border-subtle);
  background: var(--glass-panel);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(108%);
  backdrop-filter: blur(var(--glass-blur)) saturate(108%);
  box-shadow: inset -1px 0 0 var(--glass-highlight);
}

.col-center {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: auto;
  max-height: none;
  overflow: visible;
  padding: 18px clamp(22px, 2.2vw, 36px) 38px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.col-right {
  padding: clamp(22px, 2.4vw, 38px) clamp(18px, 2.1vw, 32px) 34px;
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: var(--glass-panel);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(108%);
  backdrop-filter: blur(var(--glass-blur)) saturate(108%);
  box-shadow: inset 1px 0 0 var(--glass-highlight);
}

/* Em telas largas, a aplicação ocupa uma única viewport. A leitura inteira
   (controles, papel e blocos editoriais) rola como uma unidade na coluna central. */
@media (min-width: 1101px) {
  html,
  body {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  .topbar {
    height: 106px;
    min-height: 106px;
  }

  .shell {
    height: calc(100dvh - 106px);
    min-height: 0;
    max-height: calc(100dvh - 106px);
    overflow: hidden;
  }

  .col-left,
  .col-center,
  .col-right {
    height: 100%;
    min-height: 0;
    max-height: 100%;
  }

  .col-left {
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .col-right {
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--accent-title) 42%, transparent) transparent;
  }

  .col-center {
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--accent-primary) 55%, transparent) transparent;
  }

  .col-center::-webkit-scrollbar {
    width: 9px;
  }

  .col-center::-webkit-scrollbar-track {
    background: transparent;
  }

  .col-center::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent-primary) 55%, transparent);
    background-clip: padding-box;
  }

  .col-center:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: -3px;
  }
}