/* Responsive Tasarım - Tüm Sayfalar İçin */

/* Mobil cihazlar için (480px ve altı) */
@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }
    
    .table-responsive {
        font-size: 0.8rem;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Tablet için (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .container {
        max-width: 90%;
        margin: 0 auto;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Masaüstü için (768px ve üzeri) */
@media (min-width: 768px) {
    .container {
        max-width: 1200px;
        margin: 20px auto;
    }
    
    .card {
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        border-radius: 12px;
        border: none;
    }
    
    .card-header {
        border-radius: 12px 12px 0 0 !important;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        font-weight: 600;
    }
    
    .table {
        font-size: 0.95rem;
    }
    
    .btn {
        border-radius: 8px;
        font-weight: 500;
    }
    
    .form-control {
        border-radius: 8px;
        border: 1px solid #dee2e6;
    }
    
    .form-control:focus {
        border-color: #667eea;
        box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    }
}

/* Genel iyileştirmeler */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    border-color: #dee2e6;
}

.alert {
    border-radius: 8px;
    border: none;
}

/* Ana sayfa için özel responsive ayarlar */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Masaüstü için ana sayfa responsive tasarım */
@media (min-width: 768px) {
    .app-container {
        max-width: 1200px;
        margin: 20px auto;
        border-radius: 16px;
        min-height: calc(100vh - 40px);
    }
    
    .main-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .feature-card {
        margin-bottom: 0;
    }
    
    .app-header {
        border-radius: 16px 16px 0 0;
    }
    
    .app-footer {
        border-radius: 0 0 16px 16px;
    }
}

/* Tablet için ana sayfa orta boyut */
@media (min-width: 481px) and (max-width: 767px) {
    .app-container {
        max-width: 90%;
        margin: 10px auto;
        border-radius: 12px;
        min-height: calc(100vh - 20px);
    }
    
    .main-content {
        padding: 1.25rem;
    }
}

/* Mobil için ana sayfa */
@media (max-width: 480px) {
    .app-container {
        max-width: 100%;
        margin: 0;
    }
}

/* Login sayfası için özel stiller */
.app-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.app-header h3 {
    margin: 0;
    font-weight: 600;
    font-size: 1.2rem;
}

.app-header p {
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.main-content {
    padding: 1rem;
}

.login-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
}

.login-header {
    padding: 1rem;
    color: white;
    font-weight: 600;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
}

.login-body {
    padding: 1.5rem;
}

.form-control {
    border-radius: 12px;
    border: 2px solid #e9ecef;
    padding: 0.75rem;
    font-size: 1rem;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn {
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem;
}

/* Masaüstü için login sayfası */
@media (min-width: 768px) {
    .app-header {
        padding: 2rem 1rem;
    }
    
    .app-header h3 {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
}

/* Form sayfaları için özel stiller */
.form-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 1rem;
    overflow: hidden;
}

.form-header {
    padding: 1rem;
    color: white;
    font-weight: 600;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.form-body {
    padding: 1rem;
}

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    margin-right: 0.5rem;
}

.form-check-label {
    font-weight: 500;
    margin-left: 0.25rem;
}

.btn-success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
}

.app-footer {
    padding: 1rem;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    text-align: center;
}

.footer-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0.25rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.footer-btn.secondary { background: #6c757d; color: white; }
.footer-btn.secondary:hover { background: #5a6268; color: white; }

.footer-btn.success { background: #56ab2f; color: white; }
.footer-btn.success:hover { background: #4a9a26; color: white; }