*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #8b5cf6;--bg-primary: #0a0a0a;--bg-secondary: #141414;--bg-tertiary: #1a1a1a;--border-color: #2a2a2a;--text-primary: #ffffff;--text-secondary: #a1a1aa;--hover-overlay: rgba(99, 102, 241, .1);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4);--transition: all .3s cubic-bezier(.4, 0, .2, 1);--header-height: 64px;--sidebar-width: 420px;--ticker-height: 38px;--container-padding: 3rem}body{background:linear-gradient(135deg,var(--bg-primary) 0%,#0d0d0f 100%);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;min-height:100vh;overflow:hidden;overscroll-behavior-y:none}body.portal-layout{overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:auto}body.portal-layout .main-container{height:auto;min-height:calc(100vh - 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.main-container{margin-top:0;height:auto;min-height:0;overflow-y:auto;overflow-x:hidden}body.player-layout .main-container{margin-top:0;flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}body.portal-layout .container{display:block;padding:0;height:auto}body.player-layout .container{display:flex;flex-direction:column;padding:0;height:100%;gap:0}.sidebar{position:relative;right:0;top:0;width:100%;max-width:100%;border-radius:0;border:none;border-top:1px solid var(--border-color);flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.btn-close{display:none}.video-section{--available-height: calc(100vh - var(--header-height) - var(--ticker-height));width:min(100%,calc(var(--available-height) * 16 / 9));aspect-ratio:16 / 9;height:auto;max-height:min(var(--available-height),350px);min-height:unset;border-radius:0;align-self:center;flex-shrink:0;flex:none;position:static}.channel-info{padding:.5rem .75rem;top:.75rem;left:.75rem}.live-badge{font-size:.7rem;padding:.2rem .6rem}.channel-name-display{font-size:.8rem}.category-tabs{padding:.75rem;gap:.5rem;overflow-x:auto;scrollbar-width:none}.category-tabs::-webkit-scrollbar{display:none}.tab-btn{padding:.5rem 1rem;font-size:.8125rem}body.portal-layout .channel-grid{padding:.75rem;max-height:none;overflow-y:visible}body.player-layout .channel-grid{padding:.75rem;max-height:none;overflow-y:auto;flex:1}.channel-category{grid-template-columns:repeat(3,1fr);gap:.625rem}.channel-btn{border-radius:8px}.channel-name{font-size:.7rem;padding:.375rem}}@media(max-width:480px){.video-section{--available-height: calc(100vh - var(--header-height) - var(--ticker-height));width:min(100%,calc(var(--available-height) * 16 / 9));aspect-ratio:16 / 9;height:auto;max-height:min(var(--available-height),280px)}.channel-category{grid-template-columns:repeat(3,1fr);gap:.5rem}.channel-name{font-size:.65rem}.category-tabs{padding:.625rem .75rem;gap:.375rem}.tab-btn{padding:.5rem .875rem;font-size:.75rem}}@media(max-width:380px){.channel-category{grid-template-columns:repeat(2,1fr)}}.mobile-nav-overlay{position:fixed;inset:0;z-index:9999;background:#0a0a0f99;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:0;pointer-events:none;transition:opacity .4s cubic-bezier(.16,1,.3,1)}.mobile-nav-overlay.active{opacity:1;pointer-events:all}.mobile-nav-drawer{position:absolute;top:0;right:0;width:min(300px,80%);height:100%;background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);border-left:1px solid var(--border-color);padding:1.5rem;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);transform:translate(100%);transition:transform .4s cubic-bezier(.16,1,.3,1)}.mobile-nav-overlay.active .mobile-nav-drawer{transform:translate(0)}.mobile-nav-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.05)}.btn-close-nav{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);cursor:pointer;transition:var(--transition)}.btn-close-nav:hover{background:#ef4444;border-color:#ef4444;transform:rotate(90deg)}.mobile-nav-menu{display:flex;flex-direction:column;gap:.85rem;flex:1}.mobile-nav-link{display:flex;align-items:center;gap:.85rem;padding:.85rem 1rem;color:var(--text-secondary);text-decoration:none;font-size:.95rem;font-weight:600;border-radius:10px;border:1px solid transparent;transition:var(--transition)}.mobile-nav-link:hover{color:var(--text-primary);background:var(--hover-overlay);border-color:#6366f133;transform:translate(4px)}.mobile-nav-link.active{color:var(--text-primary);background:#6366f126;border:1px solid rgba(99,102,241,.3);box-shadow:0 4px 15px #6366f11a}.mobile-nav-link .nav-icon{transition:transform .3s ease}.mobile-nav-link:hover .nav-icon{transform:scale(1.1);color:var(--primary-color)}.mobile-nav-footer{margin-top:auto;padding-top:1rem;border-top:1px solid rgba(255,255,255,.05);text-align:center}.mobile-nav-footer p{font-size:.75rem;color:var(--text-secondary);opacity:.7}.error-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0a0ff2;backdrop-filter:blur(12px);z-index:100;opacity:0;pointer-events:none;transition:opacity .3s ease;padding:1.5rem}.error-overlay.active{opacity:1;pointer-events:all}.error-card{max-width:440px;width:100%;background:var(--bg-secondary);border:1px solid rgba(239,68,68,.3);border-radius:16px;padding:2rem 1.5rem;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;gap:.875rem;text-align:center}.error-icon{font-size:2.75rem;color:#ef4444;line-height:1}.error-title{font-size:1.15rem;font-weight:700;color:var(--text-primary)}.error-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.5;margin-bottom:.5rem}.error-actions{display:flex;gap:.75rem;width:100%}.btn-error-action{flex:1;padding:.625rem 1rem;border-radius:8px;font-size:.8125rem;font-weight:600;cursor:pointer;font-family:inherit;transition:var(--transition)}.btn-error-action.primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);border:none;color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-error-action.primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px #6366f166}.btn-error-action.secondary{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}.btn-error-action.secondary:hover{background:var(--border-color)}@media(max-width:1024px)and (orientation:landscape),(max-height:520px){:root{--container-padding: 1rem;--header-height: 56px}.news-ticker-section{display:none!important}body.player-layout{overflow:hidden;height:100vh;overscroll-behavior-y:none}body.player-layout .main-container{height:calc(100vh - var(--header-height));overflow:hidden}.container{display:flex;flex-direction:row!important;align-items:center;justify-content:center;padding:.5rem;gap:.5rem;height:100%}.video-section{--available-height: calc(100vh - var(--header-height) - var(--container-padding));width:min(100%,calc(var(--available-height) * 16 / 9));aspect-ratio:16 / 9;height:auto;max-height:var(--available-height);align-self:center;border-radius:8px;flex:none;position:relative}.mobile-menu-toggle{display:flex!important}.sidebar{position:fixed;top:var(--header-height);right:-100%;bottom:0;width:85%;max-width:320px;z-index:999;border-radius:0;border:none;border-left:1px solid var(--border-color);box-shadow:var(--shadow-lg);transition:var(--transition)}.sidebar.active{right:0}.btn-close{display:flex!important}}#pullRefreshIndicator{position:fixed;top:0;left:50%;transform:translate(-50%) translateY(-80px);z-index:99999;pointer-events:none;will-change:transform,opacity}.pull-refresh-pill{display:flex;align-items:center;gap:8px;background:#0f0f14eb;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(99,102,241,.35);border-radius:999px;padding:8px 18px 8px 14px;box-shadow:0 8px 32px #00000080,0 0 0 1px #ffffff0a;white-space:nowrap}.pull-refresh-icon{width:18px;height:18px;color:var(--primary-color);flex-shrink:0;will-change:transform;transition:color .2s ease}.pull-refresh-icon.spinning{animation:ptr-spin .7s linear infinite}@keyframes ptr-spin{to{transform:rotate(360deg)}}.pull-refresh-text{font-size:.72rem;font-weight:700;color:var(--text-secondary);letter-spacing:.03em;transition:color .2s ease}#pullRefreshIndicator.ptr-triggered .pull-refresh-pill{border-color:#6366f1b3;box-shadow:0 8px 32px #00000080,0 0 20px #6366f133}#pullRefreshIndicator.ptr-triggered .pull-refresh-icon,#pullRefreshIndicator.ptr-triggered .pull-refresh-text{color:#a5b4fc}#pullRefreshIndicator.ptr-refreshing .pull-refresh-pill{border-color:#6366f1b3}@media(hover:hover)and (pointer:fine){#pullRefreshIndicator{display:none!important}}