/* ═══════════════════════════════════════════════════════
   RadioWebTV Portal — CSS
   Visual: grade de cards com logo, estilo escuro broadcast
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;900&family=Barlow:wght@300;400;500;600&display=swap');

:root {
  --rwt-red:       #e8293a;
  --rwt-red-d:     #b01e2b;
  --rwt-bg:        #0d0d0f;
  --rwt-bg2:       #141418;
  --rwt-bg3:       #1c1c22;
  --rwt-border:    rgba(255,255,255,.08);
  --rwt-text:      #f0f0f2;
  --rwt-text2:     rgba(255,255,255,.55);
  --rwt-text3:     rgba(255,255,255,.3);
  --rwt-font-d:    'Barlow Condensed', sans-serif;
  --rwt-font:      'Barlow', sans-serif;
  --rwt-radius:    10px;
  --rwt-shadow:    0 8px 32px rgba(0,0,0,.5);
  --rwt-cols:      4;
}

/* ── Wrapper do portal ──────────────────────────────── */
.rwt-portal-wrap {
  background: var(--rwt-bg);
  min-height: 100vh;
  font-family: var(--rwt-font);
  color: var(--rwt-text);
}

/* ── Hero / Topo do portal ──────────────────────────── */
.rwt-hero {
  background: linear-gradient(135deg, #0a0a0e 0%, #1a0a10 50%, #0a0a0e 100%);
  border-bottom: 1px solid var(--rwt-border);
  padding: 48px 32px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.rwt-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 0%, rgba(232,41,58,.12) 0%, transparent 70%);
  pointer-events: none;
}

.rwt-hero__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  text-decoration: none;
}

.rwt-hero__logo-mark {
  width: 52px; height: 52px;
  background: var(--rwt-red);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(232,41,58,.4);
}

.rwt-hero__logo-mark svg { width: 28px; height: 28px; }

.rwt-hero__logo-text {
  font-family: var(--rwt-font-d);
  font-size: 32px;
  font-weight: 900;
  color: white;
  letter-spacing: 2px;
  line-height: 1;
}

.rwt-hero__logo-sub {
  font-family: var(--rwt-font-d);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--rwt-text2);
}

.rwt-hero__title {
  font-family: var(--rwt-font-d);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  color: white;
  margin: 0 0 8px;
  letter-spacing: -0.5px;
}

.rwt-hero__sub {
  font-size: 15px;
  color: var(--rwt-text2);
  font-weight: 300;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Barra de busca e filtros ───────────────────────── */
.rwt-filters {
  padding: 24px 32px;
  background: var(--rwt-bg2);
  border-bottom: 1px solid var(--rwt-border);
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.rwt-search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 400px;
}

.rwt-search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--rwt-text3);
  pointer-events: none;
}

.rwt-search {
  width: 100%;
  background: var(--rwt-bg3);
  border: 1px solid var(--rwt-border);
  border-radius: 8px;
  color: var(--rwt-text);
  font-family: var(--rwt-font);
  font-size: 14px;
  padding: 10px 14px 10px 38px;
  outline: none;
  transition: border-color .2s;
}

.rwt-search::placeholder { color: var(--rwt-text3); }
.rwt-search:focus { border-color: var(--rwt-red); }

.rwt-select {
  background: var(--rwt-bg3);
  border: 1px solid var(--rwt-border);
  border-radius: 8px;
  color: var(--rwt-text);
  font-family: var(--rwt-font);
  font-size: 13px;
  padding: 10px 32px 10px 12px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  min-width: 150px;
  transition: border-color .2s;
}

.rwt-select:focus { border-color: var(--rwt-red); }

.rwt-filter-count {
  font-size: 13px;
  color: var(--rwt-text3);
  margin-left: auto;
  white-space: nowrap;
}

/* ── Tabs de categoria ──────────────────────────────── */
.rwt-tabs {
  display: flex;
  gap: 4px;
  padding: 16px 32px 0;
  border-bottom: 1px solid var(--rwt-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.rwt-tabs::-webkit-scrollbar { display: none; }

.rwt-tab {
  font-family: var(--rwt-font-d);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 18px;
  border: none;
  background: transparent;
  color: var(--rwt-text2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s, border-color .2s;
}

.rwt-tab:hover { color: var(--rwt-text); }
.rwt-tab.active { color: white; border-bottom-color: var(--rwt-red); }

/* ── Seção do grid ──────────────────────────────────── */
.rwt-section {
  padding: 28px 32px;
}

.rwt-section__title {
  font-family: var(--rwt-font-d);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rwt-text2);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.rwt-section__title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rwt-border);
}

/* ── Grid de cards ──────────────────────────────────── */
.rwt-grid {
  display: grid;
  grid-template-columns: repeat(var(--rwt-cols, 4), 1fr);
  gap: 16px;
}

/* ── Card de emissora ───────────────────────────────── */
.rwt-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--rwt-radius);
  overflow: hidden;
  background: var(--rwt-bg2);
  border: 1px solid var(--rwt-border);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  position: relative;
}

.rwt-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--rwt-shadow);
  border-color: rgba(255,255,255,.15);
}

.rwt-card:hover .rwt-card__play { opacity: 1; }
.rwt-card:hover .rwt-card__thumb img { transform: scale(1.05); }

.rwt-card__thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}

.rwt-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
  display: block;
}

.rwt-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.75) 0%, rgba(0,0,0,.1) 50%, transparent 100%);
}

/* Badge AO VIVO */
.rwt-badge-live {
  position: absolute;
  top: 8px; left: 8px;
  background: var(--cor, var(--rwt-red));
  color: white;
  font-family: var(--rwt-font-d);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 3px 8px;
  border-radius: 3px;
  z-index: 2;
  animation: rwt-pulse 2s ease-in-out infinite;
}

@keyframes rwt-pulse {
  0%,100% { opacity: 1; }
  50% { opacity: .65; }
}

/* Botão play ao hover */
.rwt-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  opacity: 0;
  transition: opacity .25s;
  z-index: 2;
}

.rwt-card__play svg {
  width: 52px; height: 52px;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,.8));
}

/* Info do card */
.rwt-card__info {
  padding: 12px 14px;
}

.rwt-card__nome {
  font-family: var(--rwt-font-d);
  font-size: 16px;
  font-weight: 700;
  color: white;
  letter-spacing: .3px;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rwt-card__meta {
  font-size: 12px;
  color: var(--rwt-text3);
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Nenhum resultado */
.rwt-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--rwt-text2);
  font-size: 15px;
}

/* ── Rodapé do portal ───────────────────────────────── */
.rwt-footer {
  padding: 32px;
  border-top: 1px solid var(--rwt-border);
  text-align: center;
  font-size: 12px;
  color: var(--rwt-text3);
  font-family: var(--rwt-font-d);
  letter-spacing: 1px;
}

/* ── Responsivo ─────────────────────────────────────── */
@media (max-width: 1200px) { :root { --rwt-cols: 3; } }
@media (max-width: 900px)  {
  :root { --rwt-cols: 2; }
  .rwt-filters, .rwt-section, .rwt-tabs { padding-left: 20px; padding-right: 20px; }
  .rwt-hero { padding: 36px 20px 32px; }
}
@media (max-width: 560px)  {
  :root { --rwt-cols: 2; }
  .rwt-grid { gap: 10px; }
  .rwt-hero__logo-text { font-size: 24px; }
  .rwt-search-wrap { min-width: 100%; }
}
@media (max-width: 400px)  { :root { --rwt-cols: 1; } }

/* ── Loading skeleton ───────────────────────────────── */
.rwt-skeleton {
  background: linear-gradient(90deg, var(--rwt-bg2) 25%, var(--rwt-bg3) 50%, var(--rwt-bg2) 75%);
  background-size: 200% 100%;
  animation: rwt-shimmer 1.5s infinite;
  border-radius: var(--rwt-radius);
  aspect-ratio: 16/9;
}

@keyframes rwt-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}