/* Genel Ayarlar ve Sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f6f9;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* İlan Formu Kart Tasarımı */
.announcement-form-container {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    border-top: 5px solid #00cbd6;
}

.announcement-form-container h3 {
    font-size: 22px;
    color: #2c3e50;
    margin-bottom: 25px;
    font-weight: 700;
    border-bottom: 2px solid #f1f3f5;
    padding-bottom: 10px;
}

/* Form Satır ve Sütun Yapısı (Flexbox) */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Input ve Textarea Elemanları */
.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    font-size: 15px;
    color: #2d3748;
    background-color: #f8fafc;
    outline: none;
    transition: all 0.2s ease-in-out;
}

/* Input Odaklanma (Focus) Efekti */
.form-group input:focus,
.form-group textarea:focus {
    border-color: #00cbd6;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(0, 203, 214, 0.15);
}

/* Açıklama Alanı Özel Ayarı */
.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Yayınla Butonu */
.submit-btn {
    background: #00cbd6;
    color: white;
    font-size: 16px;
    font-weight: bold;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 4px 6px rgba(0, 203, 214, 0.2);
}

.submit-btn:hover {
    background: #00b3bd;
}

.submit-btn:active {
    transform: scale(0.98);
}

/* ----------------------------------------------- */
/* BAŞARI MODAL (SUCCESS POPUP) TASARIMI         */
/* ----------------------------------------------- */
.success-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 9999;
}

.success-modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.success-modal {
    background: white;
    padding: 35px;
    border-radius: 16px;
    text-align: center;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.success-modal-overlay.open .success-modal {
    transform: scale(1);
}

/* Onay Tik İşareti Çemberi */
.success-icon-circle {
    width: 70px;
    height: 70px;
    background: #28a745;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 35px;
    margin: 0 auto 20px auto;
    box-shadow: 0 4px 10px rgba(40, 167, 69, 0.3);
}

.success-modal h4 {
    font-size: 20px;
    color: #1a202c;
    margin-bottom: 12px;
    font-weight: 700;
}

.success-modal p {
    font-size: 15px;
    color: #4a5568;
    margin-bottom: 25px;
    line-height: 1.5;
}

/* Modal Kapatma Butonu */
.modal-close-btn {
    background: #2c3e50;
    color: white;
    border: none;
    padding: 10px 30px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.modal-close-btn:hover {
    background: #1a252f;
}

/* ----------------------------------------------- */
/* MOBIL UYUMLULUK (RESPONSIVE)                   */
/* ----------------------------------------------- */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .container {
        margin-top: 20px;
    }
    
    .announcement-form-container {
        padding: 20px;
    }
}