/* ============================================================
   Conexão Cosmópolis — Feed Module Styles v3.0
   Cards profissionais, modernos e elegantes.
   ============================================================ */

/* ── Breaking News bar ──────────────────────────────────────── */
.nos-breaking {
  display: flex;
  align-items: center;
  gap: 0;
  height: 2.5rem;
  min-height: 2.5rem;
  background: linear-gradient(90deg, #dc2626 0%, #b91c1c 100%);
  color: #fff;
  overflow: hidden;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 90;
  width: 100%;
}

.nos-breaking__label {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
  padding: 0 1rem;
  height: 100%;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgb(0 0 0 / 0.2);
  border-right: 1px solid rgb(255 255 255 / 0.2);
  white-space: nowrap;
}

.nos-breaking__label .nos-status-dot { background: #fff; flex-shrink: 0; }

.nos-breaking__ticker {
  flex: 1;
  overflow: hidden;
  height: 100%;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.nos-breaking__track {
  display: flex;
  align-items: center;
  height: 100%;
  animation: nos-ticker 28s linear infinite;
  will-change: transform;
}
.nos-breaking__track:hover { animation-play-state: paused; }

.nos-breaking__item {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 0 2rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  transition: opacity 150ms;
}
.nos-breaking__item::before { content: '●'; margin-right: 1rem; font-size: 0.4rem; opacity: 0.6; vertical-align: middle; }
.nos-breaking__item:first-child::before { display: none; }
.nos-breaking__item:hover { opacity: 0.85; }

@keyframes nos-ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.nos-breaking__controls {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  padding: 0 0.5rem;
  border-left: 1px solid rgb(255 255 255 / 0.2);
  height: 100%;
}

.nos-breaking__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  color: #fff;
  opacity: 0.75;
  transition: opacity 150ms, background 150ms;
}
.nos-breaking__close:hover { opacity: 1; background: rgb(255 255 255 / 0.15); }

/* ── Feed Filters Shell ─────────────────────────────────────── */
.nos-feed-filters {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--nos-white);
  border-bottom: 1px solid var(--nos-border);
  flex-shrink: 0;
  position: sticky;
  top: 2.5rem;
  z-index: 80;
  width: 100%;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.04);
}

.nos-breaking[hidden] ~ .nos-feed-filters,
.nos-breaking[data-hidden="true"] ~ .nos-feed-filters { top: 0; }

/* ── Row 1: Tipo (Tudo/Notícias/Eventos) + Algoritmo ───────── */
.nos-filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  padding: 0 1rem;
  height: 2.875rem;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--nos-border);
}
.nos-filter-tabs::-webkit-scrollbar { display: none; }

.nos-filter-tab {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: var(--nos-radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--nos-text-muted);
  white-space: nowrap;
  transition: color var(--nos-transition), background var(--nos-transition);
  border: 1.5px solid transparent;
  flex-shrink: 0;
}
.nos-filter-tab:hover {
  background: var(--nos-surface);
  color: var(--nos-text);
}
.nos-filter-tab--active {
  background: var(--nos-accent-light);
  color: var(--nos-accent);
  border-color: rgb(2 132 199 / 0.25);
  font-weight: 600;
}
.nos-filter-tab__icon { display: flex; align-items: center; opacity: 0.7; }
.nos-filter-tab--active .nos-filter-tab__icon { opacity: 1; }

.nos-filter-divider {
  width: 1px;
  height: 1.25rem;
  background: var(--nos-border);
  flex-shrink: 0;
  margin: 0 0.375rem;
}

/* Algoritmo — botão compacto */
.nos-filter-algo-wrap { position: relative; margin-left: auto; flex-shrink: 0; }

.nos-filter-algo-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--nos-radius-lg);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--nos-text-muted);
  border: 1.5px solid var(--nos-border);
  white-space: nowrap;
  transition: all var(--nos-transition);
}
.nos-filter-algo-btn:hover { background: var(--nos-surface); color: var(--nos-text); border-color: var(--nos-border-2); }

/* ── Row 2: Categorias scrolláveis ──────────────────────────── */
.nos-filter-cats-wrap {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.625rem 1rem;
  gap: 0;
}

.nos-filter-cats {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  padding-bottom: 2px;
}
.nos-filter-cats::-webkit-scrollbar { display: none; }

/* Aba de categoria */
.nos-cat-tab {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3125rem 0.875rem;
  border-radius: var(--nos-radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--nos-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  border: 1.5px solid var(--nos-border);
  transition: all 150ms ease;
  background: transparent;
}
.nos-cat-tab:hover {
  border-color: var(--nos-accent);
  color: var(--nos-accent);
  background: var(--nos-accent-light);
}
.nos-cat-tab--active {
  background: var(--nos-accent);
  color: #fff;
  border-color: var(--nos-accent);
  font-weight: 600;
  box-shadow: 0 2px 10px rgb(2 132 199 / 0.3);
}
.nos-cat-tab--home { gap: 0.25rem; }
.nos-cat-tab__dot  { font-size: 0.875rem; line-height: 1; }

.nos-cat-tab[style*="--nos-cat-color"]:not(.nos-cat-tab--active) {
  border-color: var(--nos-cat-color);
  color: var(--nos-cat-color);
}
.nos-cat-tab[style*="--nos-cat-color"]:not(.nos-cat-tab--active):hover {
  background: color-mix(in srgb, var(--nos-cat-color) 10%, transparent);
}
.nos-cat-tab[style*="--nos-cat-color"].nos-cat-tab--active {
  background: var(--nos-cat-color);
  border-color: var(--nos-cat-color);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--nos-cat-color) 40%, transparent);
}

.nos-cat-tab--more {
  border-style: dashed;
  color: var(--nos-text-muted);
  border-color: var(--nos-border-2);
}
.nos-cat-tab--more:hover { border-style: solid; }
.nos-cat-tab--more svg { transition: transform 200ms; }
.nos-cat-tab--more[aria-expanded="true"] svg { transform: rotate(180deg); }

.nos-cat-more-wrap { position: relative; }

.nos-filter-cats__scroll-hint {
  display: none;
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--nos-white);
  border: 1px solid var(--nos-border);
  box-shadow: -4px 0 8px rgb(0 0 0 / 0.08);
  align-items: center;
  justify-content: center;
  color: var(--nos-text-muted);
  z-index: 5;
}

/* ── Dropdown genérico ───────────────────────────────────────── */
.nos-filter-dropdown {
  position: absolute;
  top: calc(100% + 0.375rem);
  left: 0;
  min-width: 14rem;
  background: var(--nos-white);
  border: 1px solid var(--nos-border);
  border-radius: var(--nos-radius-xl);
  box-shadow: 0 12px 32px rgb(0 0 0 / 0.12);
  z-index: 300;
  overflow: hidden;
  animation: nos-dropdown-in 150ms ease;
}

@keyframes nos-dropdown-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nos-algo-dropdown { min-width: 12rem; }
.nos-algo-dropdown .nos-dropdown__item {
  display: block;
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  text-align: left;
  color: var(--nos-text-2);
  transition: background var(--nos-transition);
}
.nos-algo-dropdown .nos-dropdown__item:hover { background: var(--nos-surface); color: var(--nos-text); }
.nos-algo-dropdown .nos-dropdown__item--active { color: var(--nos-accent); font-weight: 600; }

.nos-cat-dropdown {
  min-width: 18rem;
  max-width: 22rem;
  right: 0;
  left: auto;
}
.nos-cat-dropdown__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  padding: 0.625rem;
}
.nos-cat-dropdown__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--nos-radius);
  color: var(--nos-text-2);
  transition: background var(--nos-transition), color var(--nos-transition);
  text-align: left;
}
.nos-cat-dropdown__item:hover { background: var(--nos-surface); color: var(--nos-text); }
.nos-cat-dropdown__dot { font-size: 0.5rem; flex-shrink: 0; color: var(--nos-accent); }

/* ── Feed Stream ─────────────────────────────────────────────── */
.nos-feed__stream {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem;
}

/* Desktop only: margin-top */
@media (min-width: 769px) {
  .nos-feed__stream {
    margin-top: 41px;
  }
}

/* ── Cards: profissionais, modernos e elegantes ──────────────── */
.nos-card {
  background: var(--nos-white);
  border: 1px solid var(--nos-border);
  border-radius: var(--nos-radius-xl);
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  box-shadow: 0 1px 4px rgb(0 0 0 / 0.06);
  position: relative;
}

.nos-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--nos-gradient-brand);
  opacity: 0;
  transition: opacity 200ms ease;
}

.nos-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.1);
  border-color: rgb(2 132 199 / 0.2);
}

.nos-card:hover::before { opacity: 1; }

/* Cabeçalho social */
.nos-card__social-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem 0.5rem;
}

.nos-card__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--nos-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--nos-border);
  transition: border-color 150ms;
}

.nos-card__avatar:hover { border-color: var(--nos-accent); }
.nos-card__avatar-img { width: 100%; height: 100%; object-fit: cover; }
.nos-card__avatar-initials {
  font-size: 1rem;
  font-weight: 700;
  color: var(--nos-accent);
  text-transform: uppercase;
}

.nos-card__author-info {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  min-width: 0;
}
.nos-card__author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--nos-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 150ms;
}
.nos-card__author-name:hover { color: var(--nos-accent); }
.nos-card__time-dot { color: var(--nos-text-faint); font-size: 0.75rem; }
.nos-card__time { font-size: 0.75rem; color: var(--nos-text-muted); white-space: nowrap; }

.nos-card__badges { display: flex; align-items: center; gap: 0.375rem; flex-shrink: 0; }

.nos-card__category-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--nos-radius-full);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--nos-accent-light);
  color: var(--nos-accent);
  border: 1px solid rgb(2 132 199 / 0.2);
  transition: all 150ms;
}

.nos-card__category-badge:hover {
  background: var(--nos-accent);
  color: #fff;
}

/* Corpo do card */
.nos-card__body {
  padding: 0.625rem 1rem 0.75rem;
}

.nos-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.4375rem;
  letter-spacing: -0.01em;
}
.nos-card__title a { color: var(--nos-text); text-decoration: none; transition: color 150ms; }
.nos-card__title a:hover { color: var(--nos-accent); }

.nos-card__excerpt {
  font-size: 0.875rem;
  color: var(--nos-text-2);
  line-height: 1.55;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Thumbnail: full-width */
.nos-card__media-link { display: block; overflow: hidden; }

.nos-card__media {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--nos-surface);
  position: relative;
}

.nos-card__media--feature {
  aspect-ratio: 16 / 8;
}

.nos-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.nos-card:hover .nos-card__media img { transform: scale(1.04); }

/* Overlay de gradiente sutil na imagem */
.nos-card__media::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgb(0 0 0 / 0.12), transparent);
  pointer-events: none;
}

/* Card Feature */
.nos-card--feature { }
.nos-card--feature .nos-card__social-header { padding-bottom: 0.75rem; }
.nos-card--feature .nos-card__title {
  font-size: 1.3125rem;
  font-family: var(--nos-font-serif);
  font-weight: 700;
  line-height: 1.3;
}

/* Card sem thumbnail — layout linha */
.nos-card--standard:not(:has(.nos-card__media)) .nos-card__row {
  display: flex;
  gap: 0.875rem;
}
.nos-card--standard:not(:has(.nos-card__media)) .nos-card__thumb-col {
  width: 5.5rem;
  height: 5.5rem;
  flex-shrink: 0;
  border-radius: var(--nos-radius-lg);
  overflow: hidden;
  background: var(--nos-surface);
  margin: 0 1rem 1rem 0;
}
.nos-card--standard:not(:has(.nos-card__media)) .nos-card__thumb-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Views contador */
.nos-card__views {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
  color: var(--nos-text-faint);
  padding: 0.375rem 0.625rem;
}

/* ── Rodapé do card ──────────────────────────────────────────── */
.nos-card__footer {
  padding: 0 0.375rem 0.375rem;
  border-top: 1px solid var(--nos-surface);
  margin-top: 0.25rem;
}

/* ── Reações — redesenhadas ──────────────────────────────────── */
.nos-reactions {
  display: flex;
  align-items: center;
  gap: 0;
}

.nos-reactions__right {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}

.nos-reactions__btn {
  display: flex;
  align-items: center;
  gap: 0.3125rem;
  padding: 0.5625rem 0.6875rem;
  border-radius: var(--nos-radius-lg);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--nos-text-muted);
  transition: color 150ms, background 150ms, transform 100ms;
}
.nos-reactions__btn:hover {
  background: var(--nos-surface);
  color: var(--nos-text-2);
}
.nos-reactions__btn:active { transform: scale(0.92); }

.nos-reactions__btn--like:hover   { color: #e11d48; background: #fff1f2; }
.nos-reactions__btn--like.is-active { color: #e11d48; }
.nos-reactions__btn--dislike:hover { color: #6366f1; background: #eef2ff; }
.nos-reactions__btn--dislike.is-active { color: #6366f1; }
.nos-reactions__btn--comment:hover { color: var(--nos-accent); background: var(--nos-accent-light); }
.nos-reactions__btn--share:hover   { color: #059669; background: #ecfdf5; }
.nos-reactions__btn--bookmark:hover { color: #d97706; background: #fffbeb; }
.nos-reactions__btn--bookmark.is-saved { color: #d97706; }

.nos-reactions__btn--like.is-active svg,
.nos-reactions__btn--dislike.is-active svg,
.nos-reactions__btn--bookmark.is-saved svg {
  fill: currentColor;
  stroke: currentColor;
}

/* ── Card de Anúncio ─────────────────────────────────────────── */
.nos-card--ad {
  background: var(--nos-ad-bg);
  border: 1px dashed var(--nos-ad-border);
  border-radius: var(--nos-radius-xl);
  margin: 0;
  padding: 1.25rem;
  text-align: center;
  color: var(--nos-text-muted);
  font-size: 0.8125rem;
}
.nos-ad-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nos-text-faint);
  margin-bottom: 0.5rem;
}

/* ── Badges ──────────────────────────────────────────────────── */
.nos-event-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--nos-radius-full);
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nos-status--live { background: var(--nos-live-light); color: var(--nos-live); }
.nos-status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.nos-status-dot--pulse { animation: nos-pulse 1.5s ease infinite; }
@keyframes nos-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ── Card de Breaking ────────────────────────────────────────── */
.nos-card--breaking {
  border-color: rgb(220 38 38 / 0.25);
  box-shadow: 0 0 0 3px rgb(220 38 38 / 0.06);
}

.nos-card--breaking::before {
  background: linear-gradient(90deg, #dc2626, #f97316);
  opacity: 1;
}

/* ── Skeletons ───────────────────────────────────────────────── */
.nos-feed__loader { padding: 0.5rem 0; }
.nos-skeleton {
  background: linear-gradient(90deg, var(--nos-surface) 25%, #e8edf2 50%, var(--nos-surface) 75%);
  background-size: 200% 100%;
  animation: nos-shimmer 1.4s ease infinite;
  border-radius: var(--nos-radius-lg);
}
@keyframes nos-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.nos-skeleton--card {
  height: 5rem;
  margin: 0;
  border-radius: var(--nos-radius-xl);
}

/* ── Feed empty / end ────────────────────────────────────────── */
.nos-feed__empty, .nos-feed__end {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--nos-text-faint);
  font-size: 0.875rem;
}
.nos-feed__empty svg { margin: 0 auto 1rem; opacity: 0.3; }
.nos-feed__sentinel { height: 1px; }

/* ── Animação de entrada ─────────────────────────────────────── */
@keyframes nos-card-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nos-card--incoming { animation: nos-card-in 240ms ease forwards; }

/* ── Widgets ─────────────────────────────────────────────────── */
.nos-widget { margin-bottom: 0; }

.nos-widget__heading {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nos-text-muted);
  margin-bottom: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nos-widget__trending-list { list-style: none; display: flex; flex-direction: column; gap: 0; }

.nos-widget__trending-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.625rem;
  border-radius: var(--nos-radius-lg);
  cursor: pointer;
  transition: background 150ms;
  margin: 0 -0.625rem;
}
.nos-widget__trending-item:hover { background: var(--nos-surface); }

.nos-widget__trending-rank {
  font-size: 0.6875rem;
  font-weight: 800;
  color: var(--nos-white);
  width: 1.375rem;
  height: 1.375rem;
  border-radius: var(--nos-radius-sm);
  background: var(--nos-gradient-brand);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nos-widget__trending-name { font-size: 0.8125rem; font-weight: 600; color: var(--nos-text); }
.nos-widget__trending-count { font-size: 0.6875rem; color: var(--nos-text-muted); margin-top: 0.0625rem; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nos-feed-filters { top: 0; }
  .nos-breaking { height: auto; min-height: 2.5rem; }
  .nos-filter-cats-wrap { padding: 0.5rem 0.75rem; }
  .nos-cat-tab { padding: 0.3125rem 0.75rem; font-size: 0.75rem; }
  .nos-card__title { font-size: 0.9375rem; }
  .nos-filter-cats__scroll-hint { display: flex; }
  .nos-feed__stream { gap: 0.5rem; padding: 0.5rem; }
}