:root {
            --bg-primary: #08080d;
            --bg-secondary: #0e0e16;
            --bg-card: #14141f;
            --bg-hover: #1a1a28;
            --bg-input: #1e1e2d;
            --border: #252538;
            --text-primary: #eaeaf0;
            --text-secondary: #7a7a95;
            --text-dim: #55556a;
            --accent: #7c6df0;
            --accent-glow: rgba(124,109,240,0.3);
            --accent-hover: #9084f5;
            --success: #3dd68c;
            --danger: #f4587a;
            --gradient: linear-gradient(135deg, #7c6df0, #c084fc);
        }
        
        * { margin: 0; padding: 0; box-sizing: border-box; }
        
        body {
            font-family: 'DM Sans', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        /* Scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--accent); }
        
        /* LOGIN SCREEN */
        .login-screen {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 20px;
            position: relative;
        }
        
        .login-screen::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 30% 50%, rgba(124,109,240,0.06) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 50%, rgba(192,132,252,0.04) 0%, transparent 60%);
            animation: bgPulse 8s ease-in-out infinite alternate;
        }
        
        @keyframes bgPulse {
            0% { transform: translate(0, 0); }
            100% { transform: translate(-2%, -1%); }
        }
        
        .login-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 48px;
            width: 100%;
            max-width: 460px;
            position: relative;
            z-index: 1;
            box-shadow: 0 20px 60px rgba(0,0,0,0.4);
        }
        
        .login-card .brand {
            text-align: center;
            margin-bottom: 36px;
        }
        
        .login-card .brand h1 {
            font-size: 32px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }
        
        .login-card .brand p { color: var(--text-secondary); font-size: 14px; }
        
        .field { margin-bottom: 18px; }
        
        .field label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 7px;
            text-transform: uppercase;
            letter-spacing: 0.6px;
        }
        
        .field input, .field select {
            width: 100%;
            padding: 13px 16px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: var(--text-primary);
            font-family: 'DM Sans', sans-serif;
            font-size: 15px;
            transition: all 0.25s;
        }
        
        .field input:focus, .field select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        
        .field select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a7a95' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
        .field select option { background: var(--bg-card); color: var(--text-primary); }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border: none;
            border-radius: 12px;
            font-family: 'DM Sans', sans-serif;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
        }
        
        .btn-primary {
            background: var(--gradient);
            color: white;
            width: 100%;
        }
        
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
        .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
        
        .error-msg {
            background: rgba(244,88,122,0.1);
            color: var(--danger);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 14px;
            margin-bottom: 16px;
            display: none;
        }
        
        .loading {
            display: inline-block;
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255,255,255,0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.6s linear infinite;
        }
        
        @keyframes spin { to { transform: rotate(360deg); } }
        
        /* MAIN PLAYER LAYOUT */
        .app { display: none; min-height: 100vh; }
        
        .app-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .app-header .logo {
            font-size: 20px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .header-right { display: flex; align-items: center; gap: 16px; }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 13px;
        }
        
        .user-info .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 14px;
        }
        
        .btn-logout {
            background: rgba(244,88,122,0.1);
            color: var(--danger);
            border: none;
            padding: 8px 16px;
            border-radius: 8px;
            font-family: 'DM Sans', sans-serif;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .btn-logout:hover { background: rgba(244,88,122,0.2); }
        
        /* Tabs */
        .nav-tabs {
            display: flex;
            gap: 4px;
            padding: 12px 24px;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
        }
        
        .tab-btn {
            padding: 10px 24px;
            border: none;
            border-radius: 10px;
            background: transparent;
            color: var(--text-secondary);
            font-family: 'DM Sans', sans-serif;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
        .tab-btn.active { background: var(--accent); color: white; }
        
        /* Content area */
        .content-wrap { display: flex; min-height: calc(100vh - 120px); }
        
        .sidebar-cat {
            width: 260px;
            background: var(--bg-secondary);
            border-right: 1px solid var(--border);
            overflow-y: auto;
            height: calc(100vh - 120px);
            position: sticky;
            top: 120px;
            flex-shrink: 0;
        }
        
        .sidebar-cat .search-box {
            padding: 16px;
            border-bottom: 1px solid var(--border);
        }
        
        .sidebar-cat .search-box input {
            width: 100%;
            padding: 10px 14px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            font-family: 'DM Sans', sans-serif;
            font-size: 13px;
        }
        
        .sidebar-cat .search-box input:focus { outline: none; border-color: var(--accent); }
        
        .cat-list { padding: 8px; }
        
        .cat-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 14px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all 0.15s;
        }
        
        .cat-item:hover { background: var(--bg-hover); color: var(--text-primary); }
        .cat-item.active { background: rgba(124,109,240,0.12); color: var(--accent); }
        
        .cat-item .count {
            font-family: 'JetBrains Mono', monospace;
            font-size: 11px;
            background: var(--bg-input);
            padding: 2px 8px;
            border-radius: 6px;
        }
        
        .main-content {
            flex: 1;
            padding: 24px;
            overflow-y: auto;
        }
        
        .content-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .content-header h3 { font-size: 20px; font-weight: 600; }
        
        .content-header .result-count { color: var(--text-secondary); font-size: 13px; }
        
        .search-bar {
            width: 100%;
            max-width: 400px;
            padding: 10px 16px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            font-family: 'DM Sans', sans-serif;
            font-size: 14px;
        }
        
        .search-bar:focus { outline: none; border-color: var(--accent); }
        
        /* Stream Grid */
        .stream-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 16px;
        }
        
        .stream-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.25s;
        }
        
        .stream-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.3);
        }
        
        .stream-card .thumb {
            width: 100%;
            aspect-ratio: 2/3;
            background: var(--bg-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }
        
        .stream-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .stream-card .thumb .no-img {
            font-size: 40px;
            opacity: 0.2;
        }
        
        .stream-card .thumb .live-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: var(--danger);
            color: white;
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .stream-card .info {
            padding: 14px;
        }
        
        .stream-card .info .title {
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }
        
        .stream-card .info .meta {
            font-size: 11px;
            color: var(--text-dim);
        }
        
        /* Live stream list view */
        .stream-list { display: flex; flex-direction: column; gap: 4px; }
        
        .stream-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: var(--bg-card);
            border: 1px solid transparent;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.15s;
        }
        
        .stream-list-item:hover { background: var(--bg-hover); border-color: var(--border); }
        .stream-list-item.playing { border-color: var(--accent); background: rgba(124,109,240,0.06); }
        
        .stream-list-item .ch-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-input);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            flex-shrink: 0;
        }
        
        .stream-list-item .ch-logo img { width: 100%; height: 100%; object-fit: cover; }
        .stream-list-item .ch-name { font-size: 14px; font-weight: 500; flex: 1; }
        
        .stream-list-item .ch-num {
            font-family: 'JetBrains Mono', monospace;
            font-size: 12px;
            color: var(--text-dim);
            min-width: 36px;
        }
        
        /* Video Player */
        .player-container {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.92);
            z-index: 1000;
            backdrop-filter: blur(20px);
        }
        
        .player-container.active { display: flex; flex-direction: column; }
        
        .player-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            background: rgba(0,0,0,0.5);
        }
        
        .player-header .now-playing {
            font-size: 16px;
            font-weight: 600;
        }
        
        .player-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            border: none;
            color: white;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }
        
        .player-close:hover { background: rgba(255,255,255,0.2); }
        
        .player-video {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .player-video video {
            max-width: 100%;
            max-height: 100%;
            border-radius: 12px;
            background: black;
        }
        
        /* Empty state */
        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 80px 20px;
            color: var(--text-dim);
        }
        
        .empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
        .empty-state p { font-size: 15px; }
        
        /* Loading spinner */
        .content-loading {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 60px;
        }
        
        .spinner {
            width: 36px;
            height: 36px;
            border: 3px solid var(--border);
            border-top-color: var(--accent);
            border-radius: 50%;
            animation: spin 0.7s linear infinite;
        }
        
        /* Account Info Modal */
        .account-modal {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.7);
            z-index: 500;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(10px);
        }
        
        .account-modal.active { display: flex; }
        
        .account-box {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 36px;
            max-width: 480px;
            width: 90%;
        }
        
        .account-box h3 {
            font-size: 20px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .account-box h3 button {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 20px;
            cursor: pointer;
        }
        
        .account-info-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }
        
        .account-info-row .label { color: var(--text-secondary); }
        .account-info-row .value { font-weight: 600; font-family: 'JetBrains Mono', monospace; font-size: 13px; }
        
        .exp-active { color: var(--success); }
        .exp-expired { color: var(--danger); }
        
        /* Responsive */
        @media (max-width: 768px) {
            .sidebar-cat { display: none; }
            .content-wrap { flex-direction: column; }
            .nav-tabs { overflow-x: auto; }
            .stream-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
            .login-card { padding: 32px 24px; }
        }