/* Genel Stiller */
body {
    background-color: #f8f9fa;
}

/* Kart Stilleri */
.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

/* Tool Icon Stilleri */
.tool-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

.tool-icon i {
    transition: transform 0.3s ease;
}

.card:hover .tool-icon i {
    transform: scale(1.1);
}

/* Form Stilleri */
.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Navbar Stilleri */
.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    color: #2c3e50 !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-link i {
    margin-right: 0.5rem;
    font-size: 0.9em;
}

/* Ana Sayfa */
.nav-link[href="index.php"]:hover,
.nav-link[href="index.php"].active {
    color: #2c3e50 !important;
    background-color: rgba(44, 62, 80, 0.1);
}

/* Sıkıştır */
.nav-link[href="compress.php"]:hover,
.nav-link[href="compress.php"].active {
    color: #198754 !important;
    background-color: rgba(25, 135, 84, 0.1);
}

/* Boyutlandır */
.nav-link[href="resize.php"]:hover,
.nav-link[href="resize.php"].active {
    color: #0d6efd !important;
    background-color: rgba(13, 110, 253, 0.1);
}

/* Kırp */
.nav-link[href="crop.php"]:hover,
.nav-link[href="crop.php"].active {
    color: #0dcaf0 !important;
    background-color: rgba(13, 202, 240, 0.1);
}

/* Dönüştür */
.nav-link[href="convert.php"]:hover,
.nav-link[href="convert.php"].active {
    color: #ffc107 !important;
    background-color: rgba(255, 193, 7, 0.1);
}

/* İşlem Sonuçları */
.processed-image {
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border-radius: 0.25rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

/* Yükleme Alanı */
.upload-area {
    border: 2px dashed #ddd;
    border-radius: 0.25rem;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1rem;
    background-color: #fff;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: #80bdff;
    background-color: #f8f9fa;
    cursor: pointer;
}

/* Başlık Stilleri */
.display-4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.lead {
    color: #6c757d;
}

/* Buton Stilleri */
.btn {
    padding: 0.5rem 2rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

/* Dönüştürme Seçenekleri */
#convertOptions {
    transition: all 0.3s ease;
}

/* Responsive Ayarlar */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .card {
        margin: 1rem 0;
    }

    .display-4 {
        font-size: 2rem;
    }
}

/* Footer Stilleri */
.footer {
    margin-top: 5rem;
    background-color: #ffffff;
    border-top: 1px solid #e9ecef;
}

.footer-main {
    padding: 4rem 0;
}

.footer-brand {
    margin-bottom: 2rem;
}

.footer-logo {
    max-width: 150px;
    height: auto;
    margin-bottom: 1.5rem;
}

.footer-description {
    color: #6c757d;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-title {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: #16a085;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link {
    color: #6c757d;
    text-decoration: none;
    display: inline-block;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: #16a085;
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f8f9fa;
    color: #6c757d;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: #16a085;
    color: #ffffff;
    transform: translateY(-3px);
}

.footer-bottom {
    background-color: #f8f9fa;
    padding: 1.5rem 0;
    border-top: 1px solid #e9ecef;
}

.copyright {
    color: #6c757d;
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    justify-content: flex-end;
    gap: 1.5rem;
}

.footer-bottom-link {
    color: #6c757d;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom-link:hover {
    color: #16a085;
}

@media (max-width: 768px) {
    .footer-bottom-links {
        justify-content: center;
        margin-top: 1rem;
    }
    
    .copyright {
        text-align: center;
    }
    
    .footer-section {
        margin-top: 2rem;
    }
}