/**
 * Kartina TV - Simple Black Design
 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: #000;
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

#app-container {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
flex-direction: column;						
}

/* Heading */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.instruction {
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* QR Code */
#qr-code {
    margin: 0 auto 40px;
    padding: 16px;
    background: white;
    border-radius: 12px;
    display: inline-block;
}

#qr-code img {
    display: block;
}

/* Store Buttons */
.buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.store-btn {
    display: block;
    height: 50px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.store-btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.store-btn svg {
    height: 50px;
    width: auto;
    display: block;
}

/* Loading State */
.loading {
    min-height: 300px;
}

.loading::after {
    content: '';
    width: 48px;
    height: 48px;
    border: 4px solid #333;
    border-top: 4px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    .instruction {
        font-size: 0.9375rem;
    }

    .buttons {
        flex-direction: column;
        gap: 12px;
    }

    .store-btn {
        height: 46px;
    }

    .store-btn svg {
        height: 46px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 16px;
    }

    h1 {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }

    .instruction {
        font-size: 0.875rem;
        margin-bottom: 32px;
    }

    #qr-code {
        padding: 12px;
        margin-bottom: 32px;
    }

    .store-btn {
        height: 42px;
    }

    .store-btn svg {
        height: 42px;
    }
}