/**
 * ============================================
 * MOBILE.CSS - MOBİL ÖNCELİKLİ STİL DOSYASI
 * ============================================
 * 
 * Bu dosya tüm sayfalar için temel CSS stillerini içerir.
 * Mobil öncelikli (mobile-first) yaklaşım kullanılır.
 * 
 * Özellikler:
 * - Responsive tasarım
 * - Modern Google Fonts
 * - Canlı animasyonlar
 * - Kolay okunabilir tipografi
 * ============================================
 */

/* ============================================
   GOOGLE FONTS
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* ============================================
   GENEL AYARLAR
   ============================================ */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #2d3436;
    background: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TİPOGRAFİ
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #2d3436;
}

h1 {
    font-weight: 700;
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
}

a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #5568d3;
    text-decoration: none;
}

/* ============================================
   CONTAINER
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ============================================
   FORM ELEMANLARI
   ============================================ */

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="file"],
input[type="color"],
textarea,
select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: white;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

/* ============================================
   BUTONLAR
   ============================================ */

button {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    text-decoration: none;
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #5568d3 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #4a5bc4 100%);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5a6268 0%, #495057 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
    color: white;
}

/* ============================================
   TABLO
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

th {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    font-weight: 600;
    color: #2d3436;
    font-family: 'Poppins', sans-serif;
}

tr:hover {
    background: #f8f9fa;
}

/* ============================================
   ALERT MESAJLARI
   ============================================ */

.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

/* ============================================
   ANİMASYONLAR
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

/* ============================================
   RESPONSIVE (TABLET VE DESKTOP)
   ============================================ */

@media (min-width: 768px) {
    .container {
        padding: 30px;
    }
    
    html {
        font-size: 18px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 40px;
    }
    
    html {
        font-size: 18px;
    }
}

/* ============================================
   YAZDIRMA STİLLERİ
   ============================================ */

@media print {
    .admin-nav,
    .whatsapp-button,
    .btn {
        display: none;
    }
    
    body {
        background: white;
    }
    
    * {
        box-shadow: none !important;
    }
}

/* ============================================
   SCROLLBAR STİLLERİ
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5568d3;
}