/* Basisstile (Mobile-First-Ansatz für Handys) */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f7f0;
    color: #333;
    font-size: 16px;
}

/* Header */
header {
    background-color: #28a745;
    color: white;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: relative;
}

header h1 {
    margin: 0;
    font-size: 1.8em;
}

.login-button {
    position: absolute;
    top: 15px;
    right: 20px;
    padding: 8px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: #0056b3;
}

/* Container */
.start-container, .calculator-container {
    min-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

.start-box, .calculator-container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
    max-width: 500px;
    margin: 20px auto;
}

/* Überschriften */
.start-box h2, #question-container h3 {
    color: #28a745;
    font-size: 1.5em;
    margin-bottom: 15px;
}

.start-box p {
    font-size: 1em;
    margin-bottom: 15px;
}

/* Buttons */
.start-btn, .button-container button, .login-button {
    background-color: #28a745;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    font-size: 1em;
    width: 100%;
    box-sizing: border-box;
    margin: 5px 0;
    text-decoration: none;
    display: inline-block;
}

.start-btn:hover, .button-container button:hover, .login-button:hover {
    background-color: #218838;
    transform: scale(1.05);
}

/* Antwortoptionen im Rechner */
.option {
    display: block;
    margin: 8px 0;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em;
}

.option:hover {
    background-color: #e9ecef;
}

.option input[type="radio"] {
    margin-right: 10px;
}

/* Fortschrittsanzeige */
#question-progress {
    font-size: 1em;
    color: #28a745;
    margin-bottom: 15px;
}

/* Ergebnisanzeige */
#result {
    font-size: 1em;
    color: #333;
    margin-top: 15px;
}

/* Links */
a {
    color: #28a745;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Formularelemente */
label {
    font-size: 1em;
    color: #28a745;
    text-align: left;
    display: block;
    margin-bottom: 5px;
}

input[type="text"], input[type="password"], input[type="email"], input[type="number"], select {
    padding: 8px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
}

/* Abmeldebutton */
.logout-btn {
    background-color: #dc3545;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    display: block;
    width: 100%;
    margin-top: 15px;
    font-size: 1em;
}

.logout-btn:hover {
    background-color: #c82333;
    transform: scale(1.05);
}

/* Media Query für Tablets (ab 768px) */
@media (min-width: 768px) {
    header {
        padding: 20px;
    }

    header h1 {
        font-size: 2.2em;
    }

    .start-box, .calculator-container {
        padding: 30px;
        max-width: 600px;
    }

    .start-box h2, #question-container h3 {
        font-size: 1.8em;
    }

    .start-box p {
        font-size: 1.2em;
    }

    .start-btn, .button-container button, .login-button {
        padding: 12px 30px;
        width: auto;
        margin: 0 5px;
    }

    .login-button {
        top: 20px;
        right: 20px;
    }

    .option {
        font-size: 1em;
        padding: 12px;
        margin: 10px 0;
    }

    #question-progress {
        font-size: 1.2em;
    }

    #result {
        font-size: 1.2em;
    }

    .logout-btn {
        width: auto;
        display: inline-block;
    }
}

/* Media Query für Desktops (ab 1024px) */
@media (min-width: 1024px) {
    header h1 {
        font-size: 2.5em;
    }

    .start-box, .calculator-container {
        padding: 40px;
        max-width: 800px;
    }

    .start-box h2, #question-container h3 {
        font-size: 2em;
    }

    .start-btn, .button-container button, .login-button {
        padding: 12px 40px;
    }

    .option {
        font-size: 1.1em;
    }

    #question-progress {
        font-size: 1.3em;
    }

    #result {
        font-size: 1.3em;
    }
}

/* Zusätzliche Anpassungen für mobile Geräte (unter 767px) */
@media (max-width: 767px) {
    .calculator-container, .start-box {
        margin: 10px;
        padding: 15px;
    }

    #question-container h3 {
        font-size: 1.2em;
    }

    .option {
        padding: 8px;
        font-size: 0.85em;
    }

    .button-container button {
        width: 100%;
        margin: 5px 0;
    }

    .login-button {
        position: static;
        display: block;
        margin: 10px auto;
        width: 100%;
    }
}