:root {
    --lidl-blue: #0050A4; /* AANGEPAST: Lichtere blauwe kleur van lidlplus.com/offers */
    --lidl-yellow: #fddb00; /* Geel blijft hetzelfde */
    --text-dark: #333;
    --bg-light: #f4f4f4; /* Wit/lichtgrijs voor container */
}

body {
    font-family: 'Open Sans', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--lidl-blue);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}

.main-header {
    width: 100%;
    padding: 40px 20px 20px;
    text-align: center;
    box-sizing: border-box;
}

.main-header h1 {
    color: var(--lidl-yellow);
    margin: 0;
    font-size: 2.8em;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.container {
    max-width: 350px;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin: 20px auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.instruction {
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
    margin-bottom: 25px;
}

.qr-code-wrapper {
    background-color: var(--lidl-yellow);
    padding: 20px;
    border-radius: 8px;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.qr-code-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.note {
    margin-top: 25px;
    font-size: 1em;
    font-weight: bold;
    color: #555;
    font-style: normal;
}

.scan-tip {
    max-width: 350px;
    color: var(--lidl-yellow);
    font-size: 1em;
    font-weight: bold;
    padding: 20px 20px;
    margin: 30px auto;
    box-sizing: border-box;
}

.scan-tip p {
    margin: 0;
}


footer {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 15px 0;
    color: white;
    font-size: 0.9em;
    margin-top: 30px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-content p {
    margin: 5px 0;
}

/* Media Queries voor Responsiviteit */
@media (max-width: 600px) {
    .main-header {
        padding: 25px 15px 15px;
    }
    .main-header h1 {
        font-size: 2.2em;
    }
    .container {
        margin: 15px auto;
        padding: 20px;
    }
    .scan-tip {
        padding: 15px 15px;
        margin: 20px auto;
    }
    footer {
        padding: 10px 0;
        margin-top: 20px;
    }
}