body {
            background: #000000;
            color: inherit;
            font-family: 'Arial', sans-serif;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Header */
        header {
            background: #1b1b1b;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            padding: 15px;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
        }

        .header-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #f9c226;
            text-align: center;
        }

        /* Navigation Menu */
        .nav-menu {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .nav-menu ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            gap: 20px;
        }

        .nav-menu a {
            color: #fff;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-menu a:hover {
            color: #f9c226;
        }

        .nav-menu .active a {
            color: #f9c226;
            border-bottom: 2px solid #f9c226;
            padding-bottom: 5px;
        }

        /* Mobile Menu Icon */
        .mobile-menu-icon {
            display: none;
            cursor: pointer;
        }

        .mobile-menu-icon svg {
            width: 30px;
            height: 30px;
            fill: #fff;
            transition: fill 0.3s ease;
        }

        .mobile-menu-icon svg:hover {
            fill: #f9c226;
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #1b1b1b;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            z-index: 999;
            opacity: 0;
            transform: translateY(-10px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        .mobile-menu.show {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-menu ul {
            list-style: none;
            padding: 20px;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .mobile-menu a {
            color: #fff;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .mobile-menu a:hover {
            color: #f9c226;
        }

        .mobile-menu .active a {
            color: #f9c226;
            font-weight: 600;
        }

        /* New Channels */
        .new-channels {
            background: #1b1b1b;
            border-radius: 6px;
            border-left: 4px solid #f59e0b;
            padding: 20px;
            margin: 50px 0 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            color: #fff;
        }

        .new-channels p {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #f9c226;
        }

        .new-channels ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .new-channels li {
            font-size: 0.95rem;
            margin-bottom: 8px;
            color: #fff;
        }

        .new-channels li strong {
            color: #f9c226;
        }

        /* Country Section Notice */
        .country-section-notice {
            margin-bottom: 40px;
        }

        /* Filter Section */
        .filter-section {
            background: #1b1b1b;
            border-radius: 6px;
            padding: 20px;
            margin-bottom: 40px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            color: #fff;
        }

        .filter-section label {
            font-size: 1rem;
            font-weight: 500;
            color: #f9c226;
            margin-bottom: 8px;
            display: block;
        }

        .filter-section input, .filter-section select {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 0.9rem;
            background: #f9f9f9;
            color: #333;
        }

        .filter-section .btn-filter {
            background: #f9c226;
            border: none;
            border-radius: 8px;
            padding: 10px 20px;
            color: #fff;
            font-weight: 500;
            transition: background 0.3s ease;
            margin-top: 20px;
            cursor: pointer;
        }

        .filter-section .btn-filter:hover {
            background: #000000;
            color: #f9c226;
        }

        .filter-section .btn-clear {
            background: #6c757d;
            border: none;
            border-radius: 8px;
            padding: 10px 20px;
            color: #fff;
            font-weight: 500;
            transition: background 0.3s ease;
            margin-top: 20px;
            cursor: pointer;
        }

        .filter-section .btn-clear:hover {
            background: #5a6268;
        }

        /* All Channels Title */
        .all-channels-title {
            font-size: 1.6rem;
            font-weight: 600;
            color: #f9c226;
            margin-bottom: 20px;
            margin-top: 100px;
        }

        /* Main Content */
        main {
            padding-top: 40px;
        }

        .channel-card {
            background: #1b1b1b;
            border: 1px solid #ddd;
            border-radius: 12px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 20px;
            position: relative;
        }

        .channel-card:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            z-index: 10;
        }

        .status-active, .status-inactive {
            position: relative;
            display: inline-flex;
            align-items: center;
            font-size: 0.9rem;
        }

        .status-active .fa-circle, .status-inactive .fa-circle {
            font-size: 0.6rem;
            margin-right: 5px;
        }

        .status-active .fa-circle {
            color: #28a745;
        }

        .status-inactive .fa-circle {
            color: #dc3545;
        }

        .status-active::before {
            content: '';
            position: absolute;
            width: 12px;
            height: 12px;
            background: rgba(40,167,69,0.3);
            border-radius: 50%;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            animation: radar 2s infinite ease-out;
        }

        @keyframes radar {
            0% {
                transform: translateY(-50%) scale(0);
                opacity: 0.8;
            }
            80% {
                transform: translateY(-50%) scale(2.5);
                opacity: 0;
            }
            100% {
                transform: translateY(-50%) scale(2.5);
                opacity: 0;
            }
        }

        .country-section {
            margin-bottom: 40px;
        }

        .country-title {
            font-size: 1.6rem;
            font-weight: 600;
            color: #f9c226;
            margin-bottom: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding-right: 15px;
        }

        .country-title img {
            width: 31px;
            height: 19px;
            margin-right: 8px;
        }

        .country-title .title-text {
            display: flex;
            align-items: center;
        }

        .toggle-arrow {
            transition: transform 0.3s ease;
            font-size: 1.2rem;
        }

        .toggle-arrow.up {
            transform: rotate(180deg);
        }

        .channels-container {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-out, opacity 0.5s ease-out;
            opacity: 0;
            padding-top: 20px;
        }

        .channels-container.show {
            max-height: 10000px;
            opacity: 1;
        }

        .btn-link {
            background: #f9c226;
            border: none;
            border-radius: 8px;
            padding: 8px 16px;
            color: #fff;
            font-weight: 500;
            transition: background 0.3s ease;
            margin-right: 10px;
            cursor: pointer;
        }

        .btn-link:hover {
            background: #000000;
            color: #f9c226;
        }

        /* Popup Styles */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .popup-card {
            background: #1b1b1b;
            border-radius: 12px;
            padding: 20px;
            width: 100%;
            max-width: 600px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .popup-card iframe {
            width: 100%;
            height: 300px;
            border: none;
            border-radius: 8px;
        }

        .popup-card input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 0.9rem;
            background: #f9f9f9;
        }

        .popup-card .title-container {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .popup-card .title-container img {
            width: 31px;
            height: 19px;
            flex-shrink: 0;
        }

        .popup-card .title-container h3 {
            margin: 0;
            font-size: 24px;
            font-weight: 600;
            color: #f9c226;
            line-height: 1.2;
        }

        .popup-buttons {
            display: flex;
            justify-content: center;
            gap: 10px;
        }

        .btn-popup {
            background: #f9c226;
            border: none;
            border-radius: 8px;
            padding: 8px 16px;
            color: #fff;
            font-weight: 500;
            transition: background 0.3s ease;
            cursor: pointer;
        }

        .btn-popup:hover {
            background: #000000;
            color: #f9c226;
        }

        /* Inactive Message */
        .inactive-message {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 500;
            text-align: center;
            padding: 20px;
            background: rgba(220,53,69,0.1);
            border: 1px solid #dc3545;
            border-radius: 8px;
        }

        /* Footer */
        footer {
            background: #1b1b1b;
            padding: 15px 0;
            margin-top: auto;
            box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
        }

        footer p {
            margin: 0;
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .header-title {
                font-size: 1.5rem;
            }

            .nav-menu {
                display: none;
            }

            .mobile-menu-icon {
                display: block;
                position: absolute;
                top: 50%;
                right: 20px;
                transform: translateY(-50%);
            }

            .country-title, .all-channels-title {
                font-size: 1.4rem;
            }

            .toggle-arrow {
                font-size: 1rem;
            }

            .popup-card {
                width: 95%;
            }

            .popup-card iframe {
                height: 200px;
            }

            .popup-card .title-container h3 {
                font-size: 1.3rem;
            }

            .channels-container {
                padding-top: 15px;
            }

            .new-channels {
                margin: 60px 0 0;
                padding: 15px;
            }

            .new-channels p {
                font-size: 1rem;
            }

            .new-channels li {
                font-size: 0.85rem;
            }

            .country-section-notice {
                margin-bottom: 50px;
            }

            .all-channels-title {
                margin-bottom: -15px;
                margin-top: 70px;
            }

            .channels-container.show {
                max-height: 100000px;
            }

            .inactive-message {
                font-size: 1rem;
                padding: 15px;
            }

            .filter-section {
                padding: 15px;
            }

            .filter-section label {
                font-size: 0.9rem;
            }

            .filter-section input, .filter-section select {
                font-size: 0.85rem;
            }

            .filter-section .btn-filter, .filter-section .btn-clear {
                padding: 8px 16px;
                font-size: 0.9rem;
            }
        }