:root {
    --epi-primary: #88a96f;   /* Varsayılan Ana Renk */
    --epi-secondary: #f1e4d3; /* Varsayılan İkincil Renk */
    --epi-text: #333333;
    --epi-bg-light: #ffffff;
    --epi-bg-body: #f9f9f9;
}

/* Genel Stil Sıfırlama ve Font */
.epigenetik-form-wrapper {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 800px;
    margin: 40px auto;
    background-color: var(--epi-bg-light);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    overflow: hidden;
    color: var(--epi-text);
    line-height: 1.6;
}

.epigenetik-form-wrapper *,
.epigenetik-form-wrapper *::before,
.epigenetik-form-wrapper *::after {
    box-sizing: border-box;
}

/* Tema override'larını engelle - ID selector ile maksimum specificity */
#epigenetikForm .radio-group label,
#epigenetikForm .radio-group label span,
#epigenetikForm .radio-group label *,
#epigenetikForm .checkbox-group label,
#epigenetikForm .checkbox-group label span,
#epigenetikForm .checkbox-group label *,
#epigenetikForm .checkbox-single label,
#epigenetikForm .checkbox-single label span,
#epigenetikForm .checkbox-single label * {
    font-weight: 400 !important;
    font-style: normal !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

/* Ek güvenlik - çift ID ile */
.epigenetik-form-wrapper #epigenetikForm .radio-group label,
.epigenetik-form-wrapper #epigenetikForm .radio-group label *,
.epigenetik-form-wrapper #epigenetikForm .checkbox-group label,
.epigenetik-form-wrapper #epigenetikForm .checkbox-group label *,
.epigenetik-form-wrapper #epigenetikForm .checkbox-single label,
.epigenetik-form-wrapper #epigenetikForm .checkbox-single label * {
    font-weight: 400 !important;
}

/* Header */
.epigenetik-header {
    background-color: var(--epi-secondary); /* İkincil Renk */
    padding: 30px 40px;
    text-align: center;
    border-bottom: 4px solid var(--epi-primary); /* Ana Renk */
}

.header-title-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 10px;
}

.header-title-main {
    font-size: 28px;
    font-weight: 700;
    color: #262014;
    line-height: 1.2;
    margin-bottom: 5px;
}

.header-title-sub {
    font-size: 18px;
    font-weight: 500;
    color: #555;
}

.epigenetik-header p {
    margin: 0;
    color: #666;
    font-size: 14px;
    max-width: 600px;
    margin: 0 auto;
}

/* Dil Seçici (Yeni Switch Tarzı) */
.lang-switcher {
    display: flex;
    justify-content: flex-end;
    background-color: #fafafa;
    padding: 10px 20px;
    border-bottom: 1px solid #eee;
}

/* Kapsayıcıyı buton grubu gibi göster */
.lang-switcher {
    gap: 0; /* Butonlar bitişik */
    padding: 10px 20px;
}

.lang-btn {
    background: #e0e0e0; /* Pasif arka plan */
    border: none;
    padding: 6px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: #666;
    transition: all 0.3s ease;
    margin: 0;
}

/* Sol buton (TR) */
.lang-btn:first-child {
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
}

/* Sağ buton (EN) */
.lang-btn:last-child {
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
}

/* Aktif Durum */
.lang-btn.active {
    background-color: var(--epi-primary); /* Admin'den gelen ana renk */
    color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1; /* Üstte kalsın */
}

.lang-btn:hover:not(.active) {
    background-color: #d0d0d0;
}


/* Form Container */
.epigenetik-form {
    padding: 40px;
}

/* Bölüm Başlıkları */
.form-section {
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h3 {
    font-size: 18px;
    color: var(--epi-primary); /* Ana Renk */
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.form-section h3 small {
    font-size: 13px;
    color: #999;
    font-weight: normal;
}

/* Form Satır ve Grupları */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
    flex: 1;
}

.form-group.full { width: 100%; }
.form-group.half { width: 50%; }
.three-col .form-group { width: 33.33%; }

.form-group > label:first-child {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: #444;
}

.required {
    color: #e74c3c;
    margin-left: 3px;
}

/* Inputlar */
.epigenetik-form input[type="text"],
.epigenetik-form input[type="number"],
.epigenetik-form input[type="email"],
.epigenetik-form input[type="tel"],
.epigenetik-form textarea,
.epigenetik-form select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    transition: border-color 0.3s;
    background-color: #fff;
    height: 48px; /* Eşit yükseklik */
}

.epigenetik-form textarea {
    height: auto;
    resize: vertical;
}

.epigenetik-form input:focus,
.epigenetik-form textarea:focus {
    border-color: var(--epi-primary); /* Ana Renk */
    outline: none;
    box-shadow: 0 0 0 3px rgba(136, 169, 111, 0.2); /* Ana Renk Opak */
}

/* Radio ve Checkbox Grupları */
#epigenetikForm .radio-group, 
#epigenetikForm .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#epigenetikForm .radio-group label, 
#epigenetikForm .checkbox-group label {
    display: flex;
    align-items: center;
    background-color: #f8f8f8;
    border: 1px solid #e0e0e0;
    padding: 10px 15px; /* Yükseklik dengesi için padding */
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 400 !important; /* Tema override için */
    transition: all 0.2s;
    user-select: none;
    flex: 1; /* Eşit genişlik */
    justify-content: center; /* Ortala */
    min-height: 48px; /* Inputlarla aynı yükseklik */
    margin-bottom: 0; /* Override */
}

#epigenetikForm .checkbox-group label {
    flex: 0 0 auto; /* Checkboxlar sığdığı kadar */
    justify-content: flex-start;
}

/* Seçim öğelerindeki metinler tema override - ID ile garantili */
#epigenetikForm .radio-group,
#epigenetikForm .radio-group *,
#epigenetikForm .checkbox-group,
#epigenetikForm .checkbox-group *,
#epigenetikForm .checkbox-single,
#epigenetikForm .checkbox-single * {
    font-weight: 400 !important;
}

#epigenetikForm .radio-group label:hover, 
#epigenetikForm .checkbox-group label:hover {
    background-color: #f0f0f0;
    border-color: #ccc;
}

#epigenetikForm .radio-group input[type="radio"],
#epigenetikForm .checkbox-group input[type="checkbox"] {
    margin-right: 8px;
    accent-color: var(--epi-primary); /* Ana Renk */
    width: 16px;
    height: 16px;
}

/* Seçili Durum Stili (Opsiyonel JS ile class eklenebilir ama :has modern tarayıcılarda çalışır) */
#epigenetikForm .radio-group label:has(input:checked),
#epigenetikForm .checkbox-group label:has(input:checked) {
    background-color: var(--epi-secondary); /* İkincil Renk */
    border-color: var(--epi-primary); /* Ana Renk */
    color: #333;
}

#epigenetikForm .radio-group label:has(input:checked),
#epigenetikForm .radio-group label:has(input:checked) *,
#epigenetikForm .checkbox-group label:has(input:checked),
#epigenetikForm .checkbox-group label:has(input:checked) * {
    font-weight: 400 !important;
}

/* Tekli Checkbox (Onaylar) */
#epigenetikForm .checkbox-single {
    margin-top: 15px;
}
#epigenetikForm .checkbox-single label {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 400 !important; /* Tema override için */
    cursor: pointer;
}
#epigenetikForm .checkbox-single input {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    accent-color: var(--epi-primary); /* Ana Renk */
}

/* Koşullu Alanlar */
.conditional-field {
    display: none;
    margin-top: 15px;
    padding: 15px;
    background-color: #fafafa;
    border-left: 3px solid var(--epi-primary); /* Ana Renk */
    border-radius: 0 6px 6px 0;
}

/* Submit Button */
.form-submit {
    text-align: center;
    margin-top: 30px;
}

.form-submit button {
    background-color: var(--epi-primary); /* Ana Renk */
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 15px rgba(136, 169, 111, 0.4); /* Ana Renk Gölge */
}

.form-submit button:hover {
    background-color: #76965d; /* Ana Rengin biraz koyusu - Manuel ayar */
    transform: translateY(-2px);
}

.form-submit button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Mesaj Alanı */
#epigenetikFormMessage {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    display: none;
    text-align: center;
    font-weight: 500;
}

#epigenetikFormMessage.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#epigenetikFormMessage.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .form-group.half, .three-col .form-group {
        width: 100%;
    }
    .epigenetik-form {
        padding: 25px 20px;
    }
    .epigenetik-header {
        padding: 20px;
    }
    #epigenetikForm .radio-group, 
    #epigenetikForm .checkbox-group {
        flex-direction: column;
    }
    #epigenetikForm .radio-group label, 
    #epigenetikForm .checkbox-group label {
        width: 100%;
        justify-content: flex-start;
    }
    
    #epigenetikForm .radio-group,
    #epigenetikForm .radio-group *,
    #epigenetikForm .checkbox-group,
    #epigenetikForm .checkbox-group * {
        font-weight: 400 !important;
    }
}