/* ================================================================
   WebTV Pro 2.0 — style.css (completo, sem duplicatas)
   ================================================================ */

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

/* ---- Variáveis (tema escuro por padrão) ---- */
:root {
  --primary:      #E50914;
  --primary-dark: #B00710;
  --primary-glow: rgba(229,9,20,.25);
  --accent:       #F5A623;
  --bg:           #0a0a0a;
  --bg2:          #141414;
  --bg3:          #1e1e1e;
  --bg4:          #2a2a2a;
  --surface:      #1a1a1a;
  --surface2:     #222;
  --border:       rgba(255,255,255,.08);
  --text:         #f0f0f0;
  --text2:        #aaa;
  --text3:        #555;
  --shadow:       rgba(0,0,0,.6);
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    18px;
  --transition:   .25s cubic-bezier(.4,0,.2,1);
  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'Nunito', sans-serif;
}

[data-theme="light"] {
  --bg:       #f4f4f8;
  --bg2:      #fff;
  --bg3:      #ebebf0;
  --bg4:      #e0e0e8;
  --surface:  #fff;
  --surface2: #f0f0f5;
  --border:   rgba(0,0,0,.1);
  --text:     #111;
  --text2:    #555;
  --text3:    #999;
  --shadow:   rgba(0,0,0,.15);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ================================================================
   CABEÇALHO
   ================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, var(--bg) 70%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: .4rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ================================================================
   BOTÕES
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px var(--primary-glow); }
.btn-ghost   { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-icon {
  width: 38px; height: 38px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg3); color: var(--text2);
  border: 1px solid var(--border);
  cursor: pointer; font-size: 1rem;
  transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg4); color: var(--primary); }

/* ================================================================
   BUSCA
   ================================================================ */
.search-wrap { position: relative; flex: 1; max-width: 300px; }
.search-wrap input {
  width: 100%;
  padding: .45rem 1rem .45rem 2.4rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: .875rem;
  outline: none;
  transition: border-color var(--transition);
}
.search-wrap input:focus { border-color: var(--primary); }
.search-wrap input::placeholder { color: var(--text3); }
.search-wrap .search-icon {
  position: absolute; left: .75rem; top: 50%;
  transform: translateY(-50%);
  color: var(--text3); font-size: .875rem; pointer-events: none;
}

/* ================================================================
   STREAMING PRÓPRIO
   ================================================================ */
.own-stream-section {
  background: linear-gradient(135deg, var(--bg2) 0%, color-mix(in srgb, var(--primary) 8%, var(--bg2)) 100%);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}
.own-stream-card {
  display: flex; align-items: center; gap: 1rem;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
  max-width: 720px; margin: 0 auto;
  position: relative; overflow: hidden;
}
.own-stream-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--primary-glow), transparent 60%);
  pointer-events: none;
}
.own-stream-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--primary-glow);
}
.own-stream-pulse { position: relative; flex-shrink: 0; }
.own-stream-pulse .pulse-ring {
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  animation: pulse-ring 1.8s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { transform: scale(.8); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}
.own-stream-icon {
  width: 52px; height: 52px;
  background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; position: relative; z-index: 1; flex-shrink: 0;
}
.own-stream-info { flex: 1; min-width: 0; }
.own-stream-info h3 {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--text); margin-bottom: .2rem;
}
.own-stream-info p { font-size: .8rem; color: var(--text2); }
.own-stream-play {
  flex-shrink: 0; display: flex; flex-direction: column;
  align-items: center; gap: .3rem;
}
.own-stream-play .play-btn {
  width: 44px; height: 44px;
  background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #fff;
  transition: transform var(--transition);
}
.own-stream-card:hover .play-btn { transform: scale(1.1); }

/* ================================================================
   PLAYER
   ================================================================ */
.player-section { background: #000; position: relative; }
#video-container {
  position: relative; width: 100%; aspect-ratio: 16/9;
  background: #000; max-height: 70vh; overflow: hidden;
}
#main-video { width: 100%; height: 100%; object-fit: contain; }
#player-loading {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.85);
  display: none;
  align-items: center; justify-content: center;
  z-index: 10;
}
.no-signal {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 100%;
  min-height: 240px; gap: 1rem; color: var(--text3);
}
.no-signal .icon { font-size: 4rem; opacity: .3; }
.no-signal h3 { font-family: var(--font-display); font-size: 1.5rem; color: var(--text2); }
.no-signal p  { font-size: .875rem; }
.channel-info-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1rem 1.5rem;
  background: linear-gradient(transparent, rgba(0,0,0,.9));
}
.channel-info-overlay .ch-name {
  font-family: var(--font-display); font-size: 1.4rem;
  font-weight: 700; color: #fff;
}
.channel-info-overlay .ch-desc { font-size: .8rem; color: rgba(255,255,255,.7); }
.player-controls {
  background: var(--bg2);
  padding: .75rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.live-badge {
  background: var(--primary); color: #fff;
  font-family: var(--font-display); font-size: .7rem; font-weight: 700;
  padding: .2rem .55rem; border-radius: 4px; letter-spacing: .1em;
  display: inline-flex; align-items: center; gap: .3rem;
}
.live-dot {
  width: 6px; height: 6px; background: #fff; border-radius: 50%;
  animation: blink 1s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ================================================================
   SEÇÃO YOUTUBE
   ================================================================ */
.youtube-section {
  padding: 1.5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.youtube-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.yt-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}
.yt-card:hover {
  border-color: #FF0000;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255,0,0,.15);
}
.yt-thumb {
  position: relative; aspect-ratio: 16/9;
  background: #000; overflow: hidden;
}
.yt-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.yt-card:hover .yt-thumb img { transform: scale(1.04); }
.yt-play-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.35);
  opacity: 0; transition: opacity var(--transition);
}
.yt-card:hover .yt-play-overlay { opacity: 1; }
.yt-play-btn {
  width: 56px; height: 56px;
  background: #FF0000; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff;
  box-shadow: 0 4px 16px rgba(255,0,0,.5);
}
.yt-badge {
  position: absolute; top: .5rem; left: .5rem;
  background: #FF0000; color: #fff;
  font-size: .65rem; font-weight: 700;
  padding: .15rem .45rem; border-radius: 4px;
  letter-spacing: .06em; font-family: var(--font-display);
}
.yt-info { padding: .75rem .9rem; }
.yt-title {
  font-family: var(--font-display); font-size: .95rem; font-weight: 600;
  color: var(--text); line-height: 1.3; margin-bottom: .3rem;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.yt-desc { font-size: .75rem; color: var(--text3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Modal genérico (YouTube + Streaming) */
.yt-modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 500;
  align-items: center; justify-content: center;
  padding: 1rem;
}
.yt-modal-backdrop.open { display: flex; }
.yt-modal {
  background: #000; border-radius: var(--radius-lg);
  overflow: hidden; width: 100%; max-width: 900px;
  box-shadow: 0 20px 60px rgba(0,0,0,.8);
  animation: modalIn .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes modalIn { from{opacity:0;transform:scale(.9)} to{opacity:1;transform:none} }
.yt-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1rem; background: var(--bg2);
}
.yt-modal-title { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text); }
.yt-modal-close {
  width: 32px; height: 32px;
  background: var(--bg4); border: none; border-radius: 50%;
  color: var(--text); font-size: 1rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.yt-modal-close:hover { background: var(--primary); color: #fff; }
.yt-iframe-wrap { position: relative; aspect-ratio: 16/9; }
.yt-iframe-wrap iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: none;
}

/* ================================================================
   FILTRO DE CATEGORIAS
   ================================================================ */
.categories-bar {
  display: flex; gap: .5rem;
  padding: 1rem 1.5rem;
  overflow-x: auto; scrollbar-width: none;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.categories-bar::-webkit-scrollbar { display: none; }
.cat-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem .9rem; border-radius: 99px;
  font-size: .8rem; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border);
  background: var(--bg3); color: var(--text2);
  white-space: nowrap; transition: all var(--transition);
  font-family: var(--font-body);
}
.cat-btn:hover { border-color: var(--primary); color: var(--primary); }
.cat-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ================================================================
   GRADE DE CANAIS
   ================================================================ */
.channels-section { padding: 1.5rem; background: var(--bg); }
.section-title {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  color: var(--text); margin-bottom: 1rem;
  display: flex; align-items: center; gap: .5rem;
}
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: .75rem;
}
.channel-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
  cursor: pointer; transition: all var(--transition);
  display: flex; flex-direction: column; align-items: center;
  gap: .6rem; text-align: center; position: relative; overflow: hidden;
}
.channel-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.channel-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 20px var(--shadow); }
.channel-card:hover::before,
.channel-card.active::before { opacity: 1; }
.channel-card.active { border-color: var(--primary); background: var(--surface2); }
.channel-card .ch-logo  { font-size: 2.2rem; line-height: 1; }
.channel-card .ch-card-name {
  font-family: var(--font-display); font-size: .9rem; font-weight: 600;
  color: var(--text); line-height: 1.2;
}
.channel-card .ch-card-cat {
  font-size: .7rem; color: var(--text3);
  background: var(--bg3); padding: .15rem .45rem; border-radius: 99px;
}
.channel-card .play-icon {
  position: absolute; top: .5rem; right: .5rem;
  width: 22px; height: 22px;
  background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .6rem; color: #fff;
  opacity: 0; transition: opacity var(--transition);
}
.channel-card:hover .play-icon,
.channel-card.active .play-icon { opacity: 1; }

/* ================================================================
   RODAPÉ
   ================================================================ */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-logo { flex-shrink: 0; display: flex; align-items: center; }
.footer-logo img {
  height: 42px; max-width: 160px;
  object-fit: contain; border-radius: 6px;
}
.footer-logo span {
  font-family: var(--font-display); font-size: 1.3rem;
  font-weight: 700; color: var(--primary);
}
.footer-center {
  flex: 1; text-align: center;
  font-size: .8rem; color: var(--text3);
}

/* ================================================================
   BOTÃO WHATSAPP
   ================================================================ */
#whatsapp-btn {
  position: fixed; bottom: 1.25rem; right: 1.25rem;
  z-index: 300;
  display: inline-flex; align-items: center; gap: .5rem;
  background: #25D366; color: #fff;
  border-radius: 999px;
  padding: .7rem 1.1rem .7rem .85rem;
  text-decoration: none;
  font-family: var(--font-body); font-size: .85rem; font-weight: 700;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: all var(--transition);
  animation: waBounce 2.5s ease-in-out infinite;
}
#whatsapp-btn:hover {
  background: #1ebe5a;
  transform: scale(1.06);
  box-shadow: 0 6px 28px rgba(37,211,102,.6);
  animation: none;
}
#whatsapp-btn .wa-icon { width: 26px; height: 26px; flex-shrink: 0; }
#whatsapp-btn .wa-label { white-space: nowrap; }
@keyframes waBounce {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-5px); }
}

/* ================================================================
   PWA INSTALL BANNER
   ================================================================ */
#install-banner {
  display: none;
  position: fixed; bottom: 1rem; left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  background: var(--surface2);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  box-shadow: 0 8px 32px var(--shadow);
  max-width: 420px; width: calc(100% - 2rem);
  animation: slideUp .4s cubic-bezier(.34,1.56,.64,1);
}
#install-banner.show { display: flex; align-items: center; gap: 1rem; }
@keyframes slideUp {
  from { opacity:0; transform: translateX(-50%) translateY(24px); }
  to   { opacity:1; transform: translateX(-50%) translateY(0); }
}
.install-icon { font-size: 2.5rem; flex-shrink: 0; }
.install-text h4 { font-family: var(--font-display); font-size: 1rem; margin-bottom: .2rem; }
.install-text p  { font-size: .8rem; color: var(--text2); }
.install-actions { display: flex; gap: .5rem; margin-left: auto; flex-shrink: 0; }

/* ================================================================
   SPINNER / TOAST
   ================================================================ */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--bg4); border-top-color: var(--primary);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

#toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  z-index: 999; display: flex; flex-direction: column; gap: .5rem;
  pointer-events: none;
}
.toast {
  background: var(--surface2); border: 1px solid var(--border);
  border-left: 3px solid var(--primary); border-radius: var(--radius-sm);
  padding: .75rem 1rem; font-size: .875rem; color: var(--text);
  box-shadow: 0 4px 16px var(--shadow);
  animation: toastIn .3s ease, toastOut .3s ease 2.7s forwards;
  max-width: 280px; pointer-events: auto;
}
@keyframes toastIn  { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:none} }
@keyframes toastOut { from{opacity:1} to{opacity:0} }

/* ================================================================
   ADMIN — LAYOUT
   ================================================================ */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; background: var(--bg2);
  border-right: 1px solid var(--border);
  flex-shrink: 0; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar .sidebar-logo {
  padding: 1.5rem; border-bottom: 1px solid var(--border);
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--primary);
  line-height: 1.4;
}
.admin-sidebar nav { padding: .75rem 0; flex: 1; }
.sidebar-link {
  display: flex; align-items: center; gap: .7rem;
  padding: .6rem 1.5rem;
  color: var(--text2); text-decoration: none;
  font-size: .85rem; font-weight: 600;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-link:hover { color: var(--text); background: var(--bg3); }
.sidebar-link.active { color: var(--primary); background: var(--primary-glow); border-left-color: var(--primary); }
.sidebar-link .icon  { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }

.admin-content { flex: 1; padding: 2rem; min-width: 0; overflow-x: hidden; }
.admin-header { margin-bottom: 1.75rem; }
.admin-header h1 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--text); }
.admin-header p  { color: var(--text2); font-size: .875rem; margin-top: .2rem; }

/* ================================================================
   ADMIN — COMPONENTES
   ================================================================ */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem;
}
.card-title {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  margin-bottom: 1.2rem; padding-bottom: .75rem; border-bottom: 1px solid var(--border);
  color: var(--text);
}

.form-group { margin-bottom: 1rem; }
.form-label {
  display: block; font-size: .78rem; font-weight: 700;
  color: var(--text2); margin-bottom: .4rem;
  text-transform: uppercase; letter-spacing: .06em;
}
.form-control {
  width: 100%; padding: .6rem .9rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text);
  font-family: var(--font-body); font-size: .875rem;
  outline: none; transition: border-color var(--transition);
}
.form-control:focus { border-color: var(--primary); }
textarea.form-control { resize: vertical; min-height: 80px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead tr { border-bottom: 2px solid var(--border); }
th {
  padding: .75rem 1rem; text-align: left;
  font-family: var(--font-display); font-size: .78rem;
  color: var(--text2); text-transform: uppercase; letter-spacing: .05em;
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:hover { background: var(--bg3); }
td { padding: .75rem 1rem; color: var(--text); vertical-align: middle; }

.badge {
  display: inline-flex; align-items: center;
  padding: .15rem .5rem; border-radius: 4px;
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  white-space: nowrap;
}
.badge-green  { background: rgba(34,197,94,.15);  color: #22c55e; }
.badge-red    { background: rgba(239,68,68,.15);   color: #ef4444; }
.badge-blue   { background: rgba(59,130,246,.15);  color: #3b82f6; }
.badge-yellow { background: rgba(245,158,11,.15);  color: #f59e0b; }

.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1rem; margin-bottom: 1.75rem;
}
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem;
}
.stat-card .stat-label { font-size: .72rem; color: var(--text2); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.stat-card .stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--primary); line-height: 1.2; }
.stat-card .stat-sub   { font-size: .72rem; color: var(--text3); }

/* ================================================================
   RESPONSIVO
   ================================================================ */
@media (max-width: 900px) {
  .admin-sidebar { width: 200px; }
}
@media (max-width: 768px) {
  .admin-layout    { flex-direction: column; }
  .admin-sidebar   { width: 100%; height: auto; position: relative; flex-direction: row; flex-wrap: wrap; }
  .admin-sidebar .sidebar-logo { width: 100%; }
  .admin-sidebar nav { display: flex; flex-direction: row; overflow-x: auto; padding: .25rem; flex: none; width: 100%; }
  .sidebar-link { padding: .5rem .65rem; border-left: none; border-bottom: 3px solid transparent; font-size: .78rem; flex-direction: column; gap: .15rem; text-align: center; }
  .sidebar-link .icon { width: auto; }
  .sidebar-link.active { border-left: none; border-bottom-color: var(--primary); }
  .admin-content  { padding: 1rem; }
  .site-header    { padding: 0 1rem; }
  .channels-section { padding: 1rem; }
  .categories-bar   { padding: .75rem 1rem; }
  .channels-grid    { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: .5rem; }
  .logo             { font-size: 1.3rem; }
  .youtube-grid     { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .site-footer      { flex-direction: column; gap: .75rem; text-align: center; }
  .footer-center    { flex: none; }
  #install-banner.show { flex-direction: column; text-align: center; }
  .install-actions  { margin: 0 auto; }
}
@media (max-width: 480px) {
  .channels-grid { grid-template-columns: repeat(3, 1fr); }
  .channel-card  { padding: .7rem; }
  .channel-card .ch-logo { font-size: 1.8rem; }
  .channel-card .ch-card-name { font-size: .78rem; }
  #whatsapp-btn .wa-label { display: none; }
  #whatsapp-btn { padding: .75rem; border-radius: 50%; }
  .youtube-grid { grid-template-columns: 1fr 1fr; }
  .admin-sidebar nav { gap: 0; }
}