.remote-control-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
}

/* TV Styles */
.tv-box {
    background: #222;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.tv-screen {
    width: 100%;
    height: 400px;
    background: #000;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: bold;
    color: #fff;
    transition: background 0.3s ease;
}

.tv-screen.off {
    background: #111;
    color: #333;
}

.channel-info {
    text-align: center;
}

/* Remote Styles */
.remote-box {
    background: #f5f5f5;
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.remote-box h3 {
    margin: 0 0 20px 0;
    color: #333;
}

/* Power Button */
.power-btn {
    background: #dc2626;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 20px;
    width: 100%;
    transition: background 0.2s;
}

.power-btn:hover {
    background: #b91c1c;
}

.power-btn:active {
    background: #991b1b;
}

/* Number Grid */
.number-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.number-grid button {
    background: #4a5568;
    color: white;
    border: none;
    padding: 20px;
    font-size: 20px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.number-grid button:hover {
    background: #2d3748;
}

.number-grid button:active {
    background: #1a202c;
}

/* Channel Buttons */
.channel-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.channel-btns button {
    background: #2563eb;
    color: white;
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.channel-btns button:hover {
    background: #1d4ed8;
}

.channel-btns button:active {
    background: #1e40af;
}

/* Channel Colors */
.tv-screen[data-channel="1"] { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.tv-screen[data-channel="2"] { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.tv-screen[data-channel="3"] { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.tv-screen[data-channel="4"] { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.tv-screen[data-channel="5"] { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.tv-screen[data-channel="6"] { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); }
.tv-screen[data-channel="7"] { background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); }
.tv-screen[data-channel="8"] { background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%); }
.tv-screen[data-channel="9"] { background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%); }

/* Responsive */
@media (max-width: 600px) {
    .tv-screen {
        height: 250px;
        font-size: 32px;
    }
    
    .number-grid button {
        padding: 15px;
        font-size: 18px;
    }
}