/* --- ESTILOS BASE (MANTENIDOS) --- */
:root {
  --primary: #3498db;
  --primary-dark: #2980b9;
  --secondary: #2c3e50;
  --accent: #e74c3c;
  --light: #ecf0f1;
  --dark: #1a1a2e;
  --gray: #95a5a6;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* { 
  margin: 0; 
  padding: 0; 
  box-sizing: border-box; 
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
}

body { 
  background-color: var(--dark); 
  color: var(--light); 
  line-height: 1.6; 
  overflow-x: hidden; 
}

.container { 
  max-width: 1400px; 
  margin: 0 auto; 
  padding: 0 20px; 
}

/* --- HEADER MOBILE-FIRST --- */
header { 
  background-color: var(--secondary); 
  padding: 12px 0; 
  position: sticky; 
  top: 0; 
  z-index: 100; 
  box-shadow: var(--shadow); 
}

.header-content { 
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 10px;
}

.logo { 
  display: flex; 
  align-items: center; 
  gap: 8px;
  flex-shrink: 0;
  overflow: hidden;
}

.logo i { 
  color: var(--primary); 
  font-size: 24px; 
  max-height: 1em;
  overflow: hidden;
  vertical-align: middle;
}

.logo h1 { 
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(to right, #09d1c8, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

/* --- NAVEGACIÓN MÓVIL MEJORADA --- */
.nav-links { 
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--secondary);
  padding: 15px;
  box-shadow: var(--shadow);
  z-index: 99;
}

.nav-links.active {
  display: flex;
}

.nav-links li {
  margin: 5px 0;
}

.nav-links a { 
  color: var(--light); 
  text-decoration: none; 
  font-weight: 500; 
  transition: var(--transition); 
  display: flex; 
  align-items: center; 
  gap: 8px;
  padding: 10px 15px;
  border-radius: 6px;
}

.nav-links a:hover,
.nav-links a.active { 
  background: rgba(255,255,255,0.1);
  color: var(--primary); 
}

/* --- MENÚ HAMBURGUESA --- */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-menu-btn span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--light);
  border-radius: 3px;
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- USER ACTIONS MÓVIL --- */
.user-actions { 
  display: flex; 
  align-items: center; 
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex: 1;
}

.search-bar { 
  display: flex; 
  align-items: center; 
  background: rgba(255,255,255,0.1); 
  border-radius: 6px; 
  padding: 8px 12px; 
  min-width: 150px;
  flex: 1;
  max-width: 200px;
}

.search-bar input { 
  background: transparent; 
  border: none; 
  color: var(--light); 
  width: 100%; 
  padding: 5px; 
  outline: none;
  font-size: 14px;
}

.search-bar i { color: var(--gray); }

.btn { 
  padding: 8px 12px; 
  border-radius: 6px; 
  font-weight: 600; 
  cursor: pointer; 
  transition: var(--transition); 
  border: none; 
  display: flex; 
  align-items: center; 
  gap: 6px;
  font-size: 14px;
  white-space: nowrap;
}

.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-dark); }
.btn-outline { background-color: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background-color: var(--primary); color: white; }

/* --- CONTENIDO PRINCIPAL MÓVIL --- */
.main-content { 
  display: grid; 
  grid-template-columns: 1fr; 
  gap: 15px; 
  padding: 15px 0; 
  min-height: auto;
}

.channels-sidebar { 
  background-color: rgba(0,0,0,0.3); 
  border-radius: 8px; 
  padding: 15px; 
  overflow-y: auto; 
  height: 400px;
  display: flex; 
  flex-direction: column; 
  order: 2;
}

.player-section { 
  background-color: rgba(0,0,0,0.3); 
  border-radius: 8px; 
  padding: 15px; 
  display: flex; 
  flex-direction: column; 
  height: auto;
  min-height: 400px;
  order: 1;
}

.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background-color: #000;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 15px;
}

#videoPlayer {
  width: 100%;
  height: 100%;
  background-color: #000;
}

/* --- SIDEBAR MÓVIL MEJORADA --- */
.sidebar-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  margin-bottom: 15px; 
  padding-bottom: 10px; 
  border-bottom: 1px solid rgba(255,255,255,0.1); 
  flex-shrink: 0; 
}

.sidebar-header h3 { 
  font-size: 16px; 
  display: flex; 
  align-items: center; 
  gap: 6px; 
}

.category-tabs { 
  display: flex; 
  gap: 8px; 
  margin-bottom: 12px; 
  border-bottom: 1px solid rgba(255,255,255,0.1); 
  padding-bottom: 8px; 
  flex-shrink: 0; 
  flex-wrap: wrap;
  overflow-x: auto;
  padding: 8px 0;
}

.category-tab { 
  padding: 6px 12px; 
  border-radius: 16px; 
  font-size: 12px; 
  cursor: pointer; 
  transition: var(--transition); 
  background: rgba(255,255,255,0.05);
  white-space: nowrap;
  flex-shrink: 0;
}

.category-tab.active { background: var(--primary); }

.groups-list { 
  display: flex; 
  flex-direction: column; 
  gap: 8px; 
  overflow-y: auto; 
  flex: 1; 
}

/* --- PLAYER CONTROLS MÓVIL --- */
.player-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: flex-start;
  margin-bottom: 15px;
  flex-direction: column;
  gap: 8px;
}

.player-header h3 { 
  font-size: 18px; 
  display: flex; 
  align-items: center; 
  gap: 8px; 
}

.now-playing { 
  font-size: 13px; 
  color: var(--gray);
  line-height: 1.4;
}

.player-controls { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 10px;
}

.control-group { 
  display: flex; 
  gap: 8px;
  flex-wrap: wrap;
}

.control-btn { 
  background: rgba(255,255,255,0.1); 
  border: none; 
  color: white; 
  width: 36px; 
  height: 36px; 
  border-radius: 50%; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  cursor: pointer; 
  transition: var(--transition); 
}

.quality-selector { 
  background: rgba(255,255,255,0.1); 
  border: none; 
  color: white; 
  padding: 6px 10px; 
  border-radius: 4px;
  font-size: 13px;
}

/* --- SECCIONES INFERIORES MÓVIL --- */
.playlists-section,
.upload-section {
  background-color: rgba(0,0,0,0.3);
  border-radius: 8px;
  padding: 20px;
  margin-top: 15px;
}

.section-title { 
  text-align: center; 
  margin-bottom: 20px; 
}

.section-title h2 { 
  font-size: 22px; 
  margin-bottom: 8px; 
  color: var(--light); 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: 8px; 
}

.section-title p { 
  color: var(--gray); 
  max-width: 100%; 
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.4;
}

.playlists-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: 15px; 
  margin-bottom: 20px; 
}

.playlist-card { 
  background: rgba(255,255,255,0.05); 
  border-radius: 8px; 
  padding: 15px; 
  transition: var(--transition); 
  cursor: pointer; 
}

.playlist-actions {
  display: flex;
  gap: 10px;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  margin-top: 10px;
}

.upload-area { 
  border: 2px dashed var(--primary); 
  border-radius: 8px; 
  padding: 30px 20px; 
  text-align: center; 
  margin-bottom: 15px; 
  transition: var(--transition); 
  cursor: pointer; 
}

.upload-area i { 
  font-size: 40px; 
  color: var(--primary); 
  margin-bottom: 10px; 
}

.upload-area h3 { 
  margin-bottom: 8px;
  font-size: 18px;
}

.upload-area p { 
  color: var(--gray); 
  margin-bottom: 12px;
  font-size: 14px;
}

.formats-list { 
  display: flex; 
  justify-content: center; 
  gap: 10px; 
  margin-top: 15px; 
  flex-wrap: wrap; 
}

.format-tag { 
  background: rgba(255,255,255,0.1); 
  padding: 4px 12px; 
  border-radius: 16px; 
  font-size: 12px; 
}

.playlist-actions-main { 
  display: flex; 
  gap: 12px; 
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.playlist-actions-main .btn {
  width: 100%;
  max-width: 250px;
  justify-content: center;
}

/* --- MODALES MÓVIL --- */
.modal { 
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 0;
}

.url-modal-content { 
  background: var(--secondary);
  padding: 32px 24px;
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  margin: 0 auto;
  box-shadow: var(--shadow);
}

.modal-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  margin-bottom: 20px; 
  padding-bottom: 15px; 
  border-bottom: 1px solid rgba(255,255,255,0.1); 
}

.modal-header h3 { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  font-size: 20px; 
}

.close-modal { 
  background: none; 
  border: none; 
  color: var(--light); 
  font-size: 24px; 
  cursor: pointer; 
  transition: var(--transition); 
}

.close-modal:hover { color: var(--accent); }

.url-input-group { 
  margin-bottom: 20px; 
}

.url-input-group label { 
  display: block; 
  margin-bottom: 8px; 
  font-weight: 500; 
  font-size: 16px; 
}

.url-input-group input { 
  width: 100%; 
  padding: 12px 15px; 
  border-radius: 4px; 
  border: 1px solid rgba(255,255,255,0.2); 
  background: rgba(255,255,255,0.1); 
  color: var(--light); 
  font-size: 16px; 
  transition: var(--transition); 
}

.url-input-group input:focus { 
  outline: none; 
  border-color: var(--primary); 
  box-shadow: 0 0 0 2px rgba(52,152,219,0.2); 
}

.proxy-options { 
  margin-bottom: 20px; 
}

.proxy-options h4 { 
  margin-bottom: 15px; 
  font-size: 16px; 
  color: var(--primary); 
  display: flex; 
  align-items: center; 
  gap: 8px; 
}

.proxy-options label { 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  margin-bottom: 10px; 
  cursor: pointer; 
  padding: 10px 12px; 
  border-radius: 4px; 
  transition: var(--transition); 
  border: 1px solid transparent; 
  font-size: 14px;
}

.proxy-options label:hover { 
  background: rgba(255,255,255,0.05); 
  border-color: rgba(255,255,255,0.1); 
}

.proxy-options input[type="radio"] { 
  margin: 0; 
  transform: scale(1.2); 
}

.custom-proxy-section { 
  margin-top: 20px; 
  padding: 15px; 
  background: rgba(255,255,255,0.05); 
  border-radius: 8px; 
  border: 1px solid rgba(255,255,255,0.1); 
}

.custom-proxy-section h4 { 
  margin-bottom: 10px; 
  color: var(--primary); 
  display: flex; 
  align-items: center; 
  gap: 8px; 
  font-size: 16px;
}

.custom-proxy-input { 
  display: flex; 
  gap: 10px; 
  margin-bottom: 10px;
  flex-direction: column;
}

.custom-proxy-input input { 
  flex: 1; 
  padding: 10px 12px; 
  border-radius: 4px; 
  border: 1px solid rgba(255,255,255,0.2); 
  background: rgba(255,255,255,0.1); 
  color: var(--light); 
  transition: var(--transition); 
}

.custom-proxy-input input:focus { 
  outline: none; 
  border-color: var(--primary); 
}

.custom-proxy-input button { 
  padding: 10px 15px; 
  background: var(--primary); 
  color: white; 
  border: none; 
  border-radius: 4px; 
  cursor: pointer; 
  transition: var(--transition); 
  font-weight: 600; 
}

.custom-proxy-input button:hover { 
  background: var(--primary-dark); 
}

.url-help { 
  background: rgba(255,255,255,0.05); 
  padding: 15px; 
  border-radius: 4px; 
  margin-bottom: 20px; 
  font-size: 14px; 
  border: 1px solid rgba(255,255,255,0.1); 
}

.url-help h4 { 
  margin-bottom: 8px; 
  color: var(--primary); 
  font-size: 16px;
}

.url-help ul { 
  list-style: none; 
  padding-left: 0; 
}

.url-help li { 
  margin-bottom: 5px; 
  display: flex; 
  align-items: center; 
  gap: 8px; 
  font-size: 13px;
}

.url-help li i { 
  color: var(--success); 
  font-size: 12px; 
}

.url-actions { 
  display: flex; 
  gap: 15px; 
  justify-content: center; 
  margin-top: 20px; 
  flex-wrap: wrap;
  flex-direction: column;
}

.url-actions .btn { 
  padding: 10px 20px; 
  font-size: 16px; 
  min-width: 160px; 
  justify-content: center; 
}

/* --- ESTILOS PARA GRUPOS Y CANALES MÓVIL --- */
.group-item { 
  background: rgba(255,255,255,0.05); 
  border-radius: 6px; 
  padding: 10px; 
  cursor: pointer; 
  transition: var(--transition); 
}

.group-item:hover { 
  background: rgba(255,255,255,0.1); 
}

.group-item.active { 
  background: #2980b952;
}

.group-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
}

.group-name { 
  font-weight: 600; 
  font-size: 13px; 
}

.group-count { 
  background: rgba(255,255,255,0.2); 
  padding: 2px 8px; 
  border-radius: 12px; 
  font-size: 11px; 
}

.channels-list { 
  margin-top: 10px; 
  display: none; 
  max-height: 200px; 
  overflow-y: auto; 
}

.group-item.active .channels-list { 
  display: block; 
}

.channel-item { 
  display: flex; 
  align-items: center; 
  gap: 8px; 
  padding: 6px; 
  border-radius: 4px; 
  margin-bottom: 4px; 
  cursor: pointer; 
  transition: var(--transition); 
}

.channel-item:hover { 
  background: rgba(255,255,255,0.1); 
}

.channel-item.active { 
  background: rgba(255,255,255,0.15);
}

.channel-logo { 
  width: 24px; 
  height: 24px; 
  border-radius: 4px; 
  object-fit: cover; 
}

.channel-info { 
  flex: 1; 
  min-width: 0; 
}

.channel-name { 
  font-size: 12px; 
  white-space: nowrap; 
  overflow: hidden; 
  text-overflow: ellipsis; 
}

.channel-resolution { 
  font-size: 10px; 
  color: var(--gray); 
}

.favorite-btn { 
  background: none; 
  border: none; 
  color: var(--gray); 
  cursor: pointer; 
  font-size: 12px; 
  transition: var(--transition); 
  padding: 4px; 
}

.favorite-btn.active { 
  color: var(--accent); 
}

/* --- STATUS MESSAGES --- */
.status-message { 
  padding: 12px 15px; 
  border-radius: 4px; 
  margin: 15px 0; 
  display: flex; 
  align-items: center; 
  gap: 10px; 
  font-size: 14px; 
  background: rgb(13 55 31);
  border-left: 4px solid #21d16c;
  color: #fdebd0;
}

/* Removed empty .status-success ruleset */
.status-error { 
  background: rgba(231,76,60,0.2); 
  border-left: 4px solid var(--danger); 
  color: #fadbd8; 
}
.status-warning { 
  background: rgb(12 41 24);
  border-left: 4px solid var(--success);
  color: #fdebd0;
}

/* --- MEDIA QUERIES MEJORADAS --- */
@media (min-width: 768px) {
  .header-content {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: nowrap;
  }

  .logo {
    flex: 0 0 auto;
  }

  .nav-links {
    display: flex;
    position: static;
    flex-direction: row;
    background: transparent;
    padding: 0;
    box-shadow: none;
    margin-left: 16px; /* space between logo and nav-links */
    margin-right: 16px; /* space between nav-links and user-actions */
  }

  .nav-links a {
    padding: 5px 10px;
  }

  .main-content {
    grid-template-columns: 350px 1fr;
    gap: 20px;
    padding: 20px 0;
  }

  .channels-sidebar {
    order: 1;
    height: calc(100vh - 160px);
  }

  .player-section {
    order: 2;
    height: calc(100vh - 160px);
  }

  .player-header {
    flex-direction: row;
    align-items: center;
  }

  .playlist-actions-main {
    flex-direction: row;
  }

  .playlist-actions-main .btn {
    width: auto;
  }

  .custom-proxy-input {
    flex-direction: row;
  }

  .url-actions {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .logo h1 {
    font-size: 24px;
  }
  
  .logo i {
    font-size: 28px;
  }
  
  .search-bar {
    max-width: 300px;
  }
  
  .nav-links {
    gap: 25px;
  }
  
  .main-content {
    grid-template-columns: 400px 1fr;
  }
  
  .channels-sidebar {
    height: calc(100vh - 160px);
  }
  
  .player-section {
    height: calc(100vh - 160px);
  }
}

/* --- UTILIDADES (MANTENIDAS) --- */
.spinner { 
  border: 4px solid rgba(255,255,255,0.3); 
  border-radius: 50%; 
  border-top: 4px solid var(--primary); 
  width: 40px; 
  height: 40px; 
  animation: spin 1s linear infinite; 
  margin: 20px auto; 
}

@keyframes spin { 
  0% { transform: rotate(0deg); } 
  100% { transform: rotate(360deg); } 
}

.hidden { display: none; }

.empty-state { 
  text-align: center; 
  padding: 30px 20px; 
  color: var(--gray); 
}

.empty-state i { 
  font-size: 50px; 
  margin-bottom: 15px; 
  color: var(--primary); 
}

/* --- SCROLLBAR MEJORADO --- */
.channels-list::-webkit-scrollbar {
  width: 6px;
}

.groups-list::-webkit-scrollbar {
  width: 6px;
}

.channels-list::-webkit-scrollbar-track,
.groups-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.channels-list::-webkit-scrollbar-thumb,
.groups-list::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

/* Para Firefox */
.channels-list,
.groups-list {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) rgba(255, 255, 255, 0.05);
}
/* Xtream Codes Modal Styles */
.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
}

.form-row .url-input-group {
  flex: 1;
}

.xtream-tabs {
  margin: 20px 0;
}

.tabs-header {
  display: flex;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 15px;
}

.tabs-header .tab {
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  font-weight: 500;
}

.tabs-header .tab.active {
  border-bottom: 2px solid var(--primary);
  color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.server-info {
  background: rgba(255,255,255,0.05);
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border-left: 4px solid var(--primary);
}

.server-info h4 {
  margin-bottom: 10px;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.server-info-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 500;
  color: var(--gray);
}

.info-value {
  color: var(--light);
}

.xtream-channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  max-height: 400px;
  overflow-y: auto;
  padding: 10px;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
}

.xtream-channel-card {
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.xtream-channel-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.xtream-channel-logo {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  margin: 0 auto 8px;
  display: block;
}

.xtream-channel-name {
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.xtream-channel-category {
  font-size: 10px;
  color: var(--gray);
}

.xtream-loading {
  text-align: center;
  padding: 20px;
  color: var(--gray);
}

.xtream-categories {
  display: flex;
  gap: 8px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.xtream-category {
  padding: 6px 12px;
  background: rgba(255,255,255,0.05);
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.xtream-category.active {
  background: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
  }
  
  .tabs-header {
    flex-direction: column;
  }
  
  .tabs-header .tab {
    text-align: center;
  }
  
  .xtream-channels-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
  
  .server-info-content {
    grid-template-columns: 1fr;
  }
}