.samtek-profiili, .samtek-materiaali {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.form-section {
    margin-bottom: 30px;
    padding: 15px;
    background: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #000; /* Musta teksti */
}

.form-group input[type="text"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    color: #000; /* Musta teksti */
}

.form-group textarea {
    min-height: 100px;
}

/* Radio-nappien tyylit */
.radio-group {
    margin-bottom: 15px;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
}

.radio-label {
    font-weight: bold;
    margin-bottom: 8px;
    display: block;
    color: #000;
}

.radio-group label {
    display: block;
    padding: 8px;
    margin-bottom: 5px;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.radio-group label:hover {
    background: #e9e9e9;
}

.radio-group input[type="radio"] {
    margin-right: 8px;
}

.samtek-btn {
    background: #0073aa;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.samtek-btn:hover {
    background: #005a87;
}

.hidden {
    display: none;
}

.vaihtoehdot-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.vaihtoehto {
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 5px;
    background: #fff;
    color: #000; /* Musta teksti */
}

.vaihtoehto img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.vaihtoehto-actions {
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.vaihtoehto-actions .samtek-btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
    font-size: 14px;
    padding: 8px 12px;
}

#samtek-ilmoitus {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #4CAF50;
    color: white;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

/* Musta teksti kaikille sisällöille */
.samtek-profiili, 
.samtek-materiaali, 
.samtek-profiili h2, 
.samtek-profiili p, 
.samtek-materiaali h2, 
.samtek-materiaali h3,
.samtek-materiaali p,
.vaihtoehto h4,
.vaihtoehto p,
.radio-group,
.radio-label {
    color: #000 !important;
}

/* Latausanimaatio */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsiivisuus */
@media (max-width: 768px) {
    .samtek-profiili, .samtek-materiaali {
        padding: 15px;
    }
    
    .vaihtoehdot-container {
        grid-template-columns: 1fr;
    }
    
    .vaihtoehto-actions {
        flex-direction: column;
    }
}