body {
            font-family: 'Poppins', sans-serif;
            background-color: #f5f5f5;
            color: #333;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        body.dark-mode {
            background-color: #121212;
            color: #e0e0e0;
        }
        .container {
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            width: 90%;
            max-width: 350px;
            transition: background-color 0.3s ease, box-shadow 0.3s ease;
        }
        body.dark-mode .container {
            background-color: #1e1e1e;
            box-shadow: 0 4px 8px rgba(255, 255, 255, 0.1);
        }
        .header {
            background: linear-gradient(90deg, #4caf50, #81c784);
            color: white;
            padding: 20px;
            position: relative;
            text-align: center;
            overflow: hidden;
            border-radius: 10px 10px 0 0;
        }
        body.dark-mode .header {
            background: linear-gradient(90deg, #1b5e20, #2e7d32);
        }
        .header h1 {
            margin: 0;
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            position: relative;
            animation: fadeIn 1s ease-in-out;
        }
        .header h1 span {
            font-size: 14px;
            display: block;
            margin-top: 5px;
            font-weight: 400;
            letter-spacing: 2px;
        }
        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: rgba(255, 255, 255, 0.1);
            transform: rotate(45deg);
            animation: rotate 10s linear infinite;
        }
        .header .location, .header .date, .header .time {
            display: flex;
            align-items: center;
            margin-top: 10px;
            font-size: 14px;
        }
        .header .location i, .header .date i, .header .time i {
            margin-right: 8px;
        }
        .countdown {
            background-color: rgba(255, 255, 255, 0.2);
            padding: 10px;
            border-radius: 5px;
            margin-top: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        body.dark-mode .countdown {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .countdown span {
            font-size: 16px;
        }
        .countdown .time-left {
            background-color: rgba(255, 255, 255, 0.3);
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 14px;
        }
        body.dark-mode .countdown .time-left {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .times {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            gap: 10px;
            padding: 20px;
        }
        .time-box {
            background-color: #f5f5f5;
            border-radius: 5px;
            text-align: center;
            padding: 15px;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
            cursor: pointer;
        }
        body.dark-mode .time-box {
            background-color: #2c2c2c;
        }
        .time-box:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .time-box.active {
            background-color: #e8f5e9;
            border: 1px solid #4caf50;
        }
        body.dark-mode .time-box.active {
            background-color: #1b5e20;
            border: 1px solid #2e7d32;
        }
        .time-box i {
            display: block;
            margin-bottom: 5px;
            font-size: 24px;
        }
        .time-box span {
            display: block;
            font-size: 14px;
            color: #757575;
        }
        body.dark-mode .time-box span {
            color: #bdbdbd;
        }
        .time-box .time {
            font-size: 18px;
            font-weight: 500;
        }
        .footer {
            background-color: #4caf50;
            color: white;
            text-align: center;
            padding: 15px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        body.dark-mode .footer {
            background-color: #1b5e20;
        }
        .footer:hover {
            background-color: #388e3c;
        }
        body.dark-mode .footer:hover {
            background-color: #1565c0;
        }
        .footer span {
            font-size: 16px;
        }
        .footer i {
            margin-left: 5px;
        }
        .copyright {
            text-align: center;
            font-size: 14px;
            color: #757575;
            margin-top: 10px;
        }
        body.dark-mode .copyright {
            color: #bdbdbd;
        }
        .dark-mode-toggle {
            position: absolute;
            top: 20px;
            right: 20px;
            background-color: transparent;
            border: none;
            font-size: 24px;
            color: black;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        body.dark-mode .dark-mode-toggle {
            color: #e0e0e0;
        }

        /* Animations */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes rotate {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        /* Responsive Design */
        @media (max-width: 600px) {
            .header h1 {
                font-size: 20px;
            }
            .header .location, .header .date, .header .time {
                font-size: 12px;
            }
            .times {
                grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
            }
        }