/**
 * BT Sınıfı Dosya Yönetim Sistemi
 * Özel CSS Stilleri
 */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --bg-primary: #f5f6fa;
    --bg-secondary: #e9ecef;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
}

/* Genel Stiller */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f6fa 0%, #e9ecef 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

.min-vh-100 {
    min-height: 100vh;
}

/* Kart Stilleri */
.card {
    border-radius: 15px;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), #0a58ca);
    color: white;
    border-radius: 15px 15px 0 0 !important;
    border: none;
}

/* Buton Stilleri */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0a58ca);
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #146c43);
    border: none;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #b02a37);
    border: none;
}

/* Form Stilleri */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.input-group-text {
    border-radius: 8px 0 0 8px;
    border: 2px solid #e9ecef;
    border-right: none;
    background: #f8f9fa;
}

/* Navbar Stilleri */
.navbar {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

/* Sidebar Stilleri */
.sidebar {
    background: linear-gradient(180deg, #495057, #6c757d);
    min-height: 100vh;
    border-radius: 0 15px 15px 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    margin: 2px 0;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

/* Dosya Yükleme Alanı */
.upload-area {
    border: 3px dashed #dee2e6;
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    background: #f8f9fa;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.05);
    transform: scale(1.02);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Dosya Listesi */
.file-item {
    border: 1px solid #e9ecef;
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.file-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.file-icon {
    font-size: 2rem;
    margin-right: 1rem;
}

.file-info h6 {
    margin: 0;
    color: var(--dark-color);
}

.file-info small {
    color: var(--secondary-color);
}

/* Progress Bar */
.progress {
    height: 8px;
    border-radius: 10px;
    background: #e9ecef;
}

.progress-bar {
    border-radius: 10px;
    background: linear-gradient(90deg, var(--success-color), #20c997);
}

/* Alert Stilleri */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.alert-success {
    background: linear-gradient(135deg, rgba(25, 135, 84, 0.1), rgba(32, 201, 151, 0.1));
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(253, 126, 20, 0.1));
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(13, 202, 240, 0.1), rgba(111, 66, 193, 0.1));
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(253, 126, 20, 0.1));
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

/* Tablo Stilleri */
.table {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), #0a58ca);
    color: white;
    border: none;
    font-weight: 600;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(13, 110, 253, 0.05);
}

/* Modal Stilleri */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), #0a58ca);
    color: white;
    border-radius: 15px 15px 0 0;
    border: none;
}

.modal-footer {
    border: none;
    border-radius: 0 0 15px 15px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        border-radius: 0;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
    }
}

/* Animasyonlar */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Özel Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), #0a58ca);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #0a58ca, var(--primary-color));
}