:root{--color-primary: #6366f1;--color-primary-hover: #818cf8;--color-primary-active: #4f46e5;--color-primary-subtle: rgba(99, 102, 241, .12);--color-secondary: #06b6d4;--color-secondary-hover: #22d3ee;--color-secondary-active: #0891b2;--color-accent: #f59e0b;--color-accent-hover: #fbbf24;--color-accent-active: #d97706;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-bg-primary: #0f0f23;--color-bg-secondary: #1a1a2e;--color-bg-tertiary: #16213e;--color-bg-elevated: #1e1e3a;--color-bg-overlay: rgba(0, 0, 0, .6);--color-surface: #252547;--color-surface-hover: #2d2d5a;--color-surface-active: #35356d;--color-surface-border: rgba(255, 255, 255, .08);--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-tertiary: #64748b;--color-text-muted: #475569;--color-text-inverse: #0f172a;--font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-family-mono: "JetBrains Mono", "Fira Code", monospace;--font-family-display: "Outfit", var(--font-family);--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--letter-spacing-tight: -.025em;--letter-spacing-normal: 0;--letter-spacing-wide: .025em;--space-0: 0;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .2);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .3), 0 8px 10px -6px rgba(0, 0, 0, .2);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--shadow-glow-accent: 0 0 20px rgba(245, 158, 11, .3);--glass-bg: rgba(30, 30, 58, .7);--glass-border: rgba(255, 255, 255, .08);--glass-blur: blur(16px);--glass-saturate: saturate(180%);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 300;--z-modal: 400;--z-popover: 500;--z-toast: 600;--z-tooltip: 700;--z-player-controls: 800;--container-sm: 640px;--container-md: 768px;--container-lg: 1024px;--container-xl: 1280px;--container-2xl: 1536px;--sidebar-width: 260px;--header-height: 64px;--player-controls-height: 80px;--card-aspect-ratio: 16 / 9;--card-logo-size: 48px}[data-theme=dark],:root{color-scheme:dark;--color-bg-primary: #0f0f23;--color-bg-secondary: #1a1a2e;--color-bg-tertiary: #16213e;--color-bg-elevated: #1e1e3a;--color-surface: #252547;--color-surface-hover: #2d2d5a;--color-surface-active: #35356d;--color-surface-border: rgba(255, 255, 255, .08);--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-tertiary: #64748b}[data-theme=light]{color-scheme:light;--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-bg-elevated: #ffffff;--color-surface: #ffffff;--color-surface-hover: #f1f5f9;--color-surface-active: #e2e8f0;--color-surface-border: rgba(0, 0, 0, .08);--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-tertiary: #94a3b8;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:var(--line-height-normal);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 20% 50%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(6,182,212,.06) 0%,transparent 50%),radial-gradient(ellipse at 60% 80%,rgba(245,158,11,.04) 0%,transparent 50%);pointer-events:none;z-index:-1}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,select,textarea{font-family:inherit;font-size:inherit}img{max-width:100%;display:block}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-surface-active);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:var(--space-6);max-width:var(--container-xl);margin:0 auto;width:100%}.header{height:var(--header-height);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);display:flex;align-items:center;padding:0 var(--space-6);position:sticky;top:0;z-index:var(--z-sticky)}.header-logo{font-family:var(--font-family-display);font-size:var(--font-size-2xl);font-weight:var(--font-weight-extrabold);background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:var(--letter-spacing-tight)}.header-nav{display:flex;gap:var(--space-1);margin-left:var(--space-8);flex:1}.header-nav a{padding:var(--space-2) var(--space-4);border-radius:var(--radius-lg);color:var(--color-text-secondary);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);transition:all var(--transition-fast)}.header-nav a:hover,.header-nav a.active{color:var(--color-text-primary);background:var(--color-primary-subtle)}.header-search{position:relative;margin-left:auto}.header-search input{background:var(--color-surface);border:1px solid var(--color-surface-border);border-radius:var(--radius-full);padding:var(--space-2) var(--space-4) var(--space-2) var(--space-10);color:var(--color-text-primary);width:240px;transition:all var(--transition-normal)}.header-search input:focus{border-color:var(--color-primary);box-shadow:var(--shadow-glow);width:320px}.header-search input::placeholder{color:var(--color-text-muted)}.header-search-icon{position:absolute;left:var(--space-3);top:50%;transform:translateY(-50%);color:var(--color-text-muted)}.section{margin-bottom:var(--space-10)}.section-title{font-family:var(--font-family-display);font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);margin-bottom:var(--space-6);display:flex;align-items:center;gap:var(--space-3)}.section-title:before{content:"";width:4px;height:1.2em;background:linear-gradient(180deg,var(--color-primary),var(--color-secondary));border-radius:var(--radius-full)}.channel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-5)}.channel-card{background:var(--color-surface);border:1px solid var(--color-surface-border);border-radius:var(--radius-xl);overflow:hidden;transition:all var(--transition-normal);cursor:pointer;position:relative}.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-primary)}.channel-card:hover .channel-card-overlay{opacity:1}.channel-card-thumbnail{aspect-ratio:var(--card-aspect-ratio);background:var(--color-bg-tertiary);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.channel-card-thumbnail img{width:60%;height:60%;object-fit:contain}.channel-card-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#6366f14d,#06b6d433);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity var(--transition-normal)}.channel-card-play-icon{width:56px;height:56px;border-radius:var(--radius-full);background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;transform:scale(.8);transition:transform var(--transition-spring)}.channel-card:hover .channel-card-play-icon{transform:scale(1)}.channel-card-info{padding:var(--space-4)}.channel-card-name{font-weight:var(--font-weight-semibold);font-size:var(--font-size-lg);margin-bottom:var(--space-1)}.channel-card-status{display:flex;align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.status-dot{width:8px;height:8px;border-radius:var(--radius-full);flex-shrink:0}.status-dot.online{background:var(--color-success);box-shadow:0 0 8px #10b98180;animation:pulse-glow 2s ease-in-out infinite}.status-dot.offline{background:var(--color-text-muted)}.status-dot.error{background:var(--color-error)}@keyframes pulse-glow{0%,to{opacity:1;box-shadow:0 0 8px #10b98180}50%{opacity:.7;box-shadow:0 0 16px #10b981cc}}.player-container{position:relative;width:100%;max-width:var(--container-xl);margin:0 auto;border-radius:var(--radius-xl);overflow:hidden;background:#000;box-shadow:var(--shadow-2xl)}.player-container video{width:100%;aspect-ratio:16 / 9;display:block;background:#000}.player-container.fullscreen{max-width:none;border-radius:0;position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-modal)}.player-container.fullscreen video{aspect-ratio:auto;height:100vh;object-fit:contain}.player-controls{position:absolute;bottom:0;left:0;right:0;padding:var(--space-4) var(--space-6);background:linear-gradient(transparent,#000c);display:flex;align-items:center;gap:var(--space-4);opacity:0;transition:opacity var(--transition-normal)}.player-container:hover .player-controls{opacity:1}.player-btn{width:40px;height:40px;border-radius:var(--radius-full);background:#ffffff26;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);font-size:var(--font-size-lg)}.player-btn:hover{background:#ffffff4d;transform:scale(1.1)}.player-info{flex:1;color:#fff}.player-channel-name{font-weight:var(--font-weight-semibold);font-size:var(--font-size-lg)}.player-quality{font-size:var(--font-size-sm);color:#ffffffb3}.player-volume{display:flex;align-items:center;gap:var(--space-2)}.player-volume input[type=range]{width:80px;accent-color:var(--color-primary)}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:var(--space-16)}.spinner{width:48px;height:48px;border:3px solid var(--color-surface-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-state{text-align:center;padding:var(--space-16);color:var(--color-text-secondary)}.error-state-icon{font-size:var(--font-size-5xl);margin-bottom:var(--space-4)}.error-state-message{font-size:var(--font-size-lg);margin-bottom:var(--space-4)}.error-state-action{padding:var(--space-3) var(--space-6);background:var(--color-primary);color:#fff;border-radius:var(--radius-lg);font-weight:var(--font-weight-semibold);transition:all var(--transition-fast)}.error-state-action:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-glow)}.category-pills{display:flex;gap:var(--space-2);overflow-x:auto;padding-bottom:var(--space-2);scrollbar-width:none}.category-pills::-webkit-scrollbar{display:none}.category-pill{padding:var(--space-2) var(--space-4);background:var(--color-surface);border:1px solid var(--color-surface-border);border-radius:var(--radius-full);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);white-space:nowrap;transition:all var(--transition-fast);cursor:pointer}.category-pill:hover,.category-pill.active{background:var(--color-primary-subtle);border-color:var(--color-primary);color:var(--color-primary)}@media(max-width:768px){.main-content{padding:var(--space-4)}.header-nav{display:none}.header-search input{width:160px}.header-search input:focus{width:200px}.channel-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-3)}.section-title{font-size:var(--font-size-xl)}}@media(max-width:480px){.channel-grid{grid-template-columns:1fr}}