/* ================================================
   WebTV Pro - Main Stylesheet
   ================================================ */

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

/* ---- CSS Variables / Themes ---- */
:root {
  --primary: #E50914;
  --primary-dark: #B00710;
  --primary-glow: rgba(229,9,20,0.3);
  --accent: #F5A623;
  --bg: #0a0a0a;
  --bg2: #141414;
  --bg3: #1e1e1e;
  --bg4: #2a2a2a;
  --surface: #1a1a1a;
  --surface2: #222222;
  --border: rgba(255,255,255,0.08);
  --text: #f0f0f0;
  --text2: #aaaaaa;
  --text3: #666666;
  --shadow: rgba(0,0,0,0.6);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Nunito', sans-serif;
}

[data-theme="light"] {
  --bg: #f4f4f8;
  --bg2: #ffffff;
  --bg3: #ebebf0;
  --bg4: #e0e0e8;
  --surface: #ffffff;
  --surface2: #f0f0f5;
  --border: rgba(0,0,0,0.1);
  --text: #111111;
  --text2: #555555;
  --text3: #999999;
  --shadow: rgba(0,0,0,0.15);
}

* { 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); }

/* ---- Header ---- */
.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: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.logo span { color: var(--text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  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;
  transition: all var(--transition);
  font-size: 1rem;
}
.btn-icon:hover { background: var(--bg4); color: var(--primary); }

/* ---- 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 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
#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: 0.2rem; }
.install-text p { font-size: 0.8rem; color: var(--text2); }
.install-actions { display: flex; gap: 0.5rem; margin-left: auto; flex-shrink: 0; }

/* ---- Player Section ---- */
.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-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.8));
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}
.player-overlay.show { opacity: 1; }

.channel-info-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.5rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.9));
}

.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: 0.8rem;
  color: rgba(255,255,255,0.7);
}

.player-controls {
  background: var(--bg2);
  padding: 0.75rem 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: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  animation: pulse-live 2s infinite;
}

@keyframes pulse-live {
  0%,100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.live-dot {
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,100% { opacity: 1; }
  50% { opacity: 0; }
}

.no-signal {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 1rem;
  color: var(--text3);
}

.no-signal .icon { font-size: 4rem; opacity: 0.3; }
.no-signal h3 { font-family: var(--font-display); font-size: 1.5rem; color: var(--text2); }
.no-signal p { font-size: 0.875rem; }

/* ---- Categories Filter ---- */
.categories-bar {
  display: flex;
  gap: 0.5rem;
  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: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 99px;
  font-size: 0.8rem;
  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; }

/* ---- Channels Grid ---- */
.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: 0.5rem;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.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: 0.6rem;
  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 { opacity: 1; }
.channel-card.active { border-color: var(--primary); background: var(--surface2); }
.channel-card.active::before { opacity: 1; }

.channel-card .ch-logo {
  font-size: 2.2rem;
  line-height: 1;
  filter: drop-shadow(0 2px 4px var(--shadow));
}

.channel-card .ch-card-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.channel-card .ch-card-cat {
  font-size: 0.7rem;
  color: var(--text3);
  background: var(--bg3);
  padding: 0.15rem 0.45rem;
  border-radius: 99px;
}

.channel-card .play-icon {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 22px; height: 22px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition);
}

.channel-card:hover .play-icon,
.channel-card.active .play-icon { opacity: 1; }

/* ---- Search ---- */
.search-wrap {
  position: relative;
  flex: 1;
  max-width: 320px;
}

.search-wrap input {
  width: 100%;
  padding: 0.45rem 1rem 0.45rem 2.5rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  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: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 0.875rem;
  pointer-events: none;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--text3);
  font-size: 0.8rem;
}

/* ---- Loading ---- */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--bg4);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Toast ---- */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--text);
  box-shadow: 0 4px 16px var(--shadow);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  max-width: 280px;
}

@keyframes toastIn  { from { opacity:0; transform: translateY(10px); } to { opacity:1; transform: none; } }
@keyframes toastOut { from { opacity:1; } to { opacity:0; } }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .site-header { padding: 0 1rem; }
  .channels-section { padding: 1rem; }
  .categories-bar { padding: 0.75rem 1rem; }
  .channels-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.5rem; }
  .logo { font-size: 1.3rem; }
  .search-wrap { max-width: 180px; }
  #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: 0.7rem; }
  .channel-card .ch-logo { font-size: 1.8rem; }
  .channel-card .ch-card-name { font-size: 0.78rem; }
}

/* ---- Admin Styles ---- */
.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: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}

.admin-sidebar nav { padding: 1rem 0; flex: 1; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 1.5rem;
  color: var(--text2);
  text-decoration: none;
  font-size: 0.875rem;
  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: 1.1rem; width: 20px; text-align: center; }

.admin-content { flex: 1; padding: 2rem; min-width: 0; }
.admin-header { margin-bottom: 2rem; }
.admin-header h1 { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; }
.admin-header p { color: var(--text2); font-size: 0.875rem; }

.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: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text2); margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.05em; }
.form-control {
  width: 100%;
  padding: 0.6rem 0.9rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
}
.form-control:focus { border-color: var(--primary); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead tr { border-bottom: 2px solid var(--border); }
th { padding: 0.75rem 1rem; text-align: left; font-family: var(--font-display); font-size: 0.8rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }
tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:hover { background: var(--bg3); }
td { padding: 0.75rem 1rem; color: var(--text); vertical-align: middle; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-green { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge-red   { background: rgba(239,68,68,0.15); color: #ef4444; }
.badge-blue  { background: rgba(59,130,246,0.15); color: #3b82f6; }
.badge-yellow{ background: rgba(245,158,11,0.15); color: #f59e0b; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; }
.stat-card .stat-label { font-size: 0.75rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.08em; 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: 0.75rem; color: var(--text3); }

.color-preview { display: inline-block; width: 24px; height: 24px; border-radius: 4px; border: 1px solid var(--border); vertical-align: middle; margin-right: 0.5rem; }

@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: relative; }
  .admin-sidebar nav { display: flex; overflow-x: auto; padding: 0.5rem; }
  .sidebar-link { padding: 0.5rem 0.75rem; border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .sidebar-link.active { border-left: none; border-bottom-color: var(--primary); }
  .admin-content { padding: 1rem; }
}