/* Easyflex Staj Yönetim Sistemi - Ana CSS */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

/* Navbar Stilleri */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--gray-100) !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: white !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.language-btn {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.language-btn:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Navbar Profile Image */
.navbar-profile-image {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.navbar-profile-image:hover {
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

/* Sidebar Stilleri */
.sidebar {
    background: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    height: calc(100vh - 80px);
    position: fixed;
    top: 80px;
    left: 0;
    width: 250px;
    overflow-y: auto;
    z-index: 999;
    transition: all 0.3s ease;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: 0 25px 25px 0;
    margin-right: 1rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
    transform: translateX(5px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-link i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* Main Content */
main {
    margin-left: 250px;
    padding: 2rem;
    min-height: calc(100vh - 80px);
    background-color: var(--light-color);
}

/* Stats Cards */
.stats-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stats-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    main {
        margin-left: 0;
        padding: 1rem;
    }
    
    .sidebar-toggle {
        display: block !important;
    }
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
}

/* Genel Stiller */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--light-color);
}

/* Başlıklar */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

/* Butonlar */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background-color: var(--gray-500);
    color: white;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Kartlar */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: none;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
    border-radius: 12px 12px 0 0;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
    border-radius: 0 0 12px 12px;
}

/* Formlar */
.form-control {
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Alertler */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

/* Tablolar */
.table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.table th {
    background-color: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    font-weight: 600;
    color: var(--gray-700);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

/* Badge */
.badge {
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background-color: var(--primary-color);
    color: white;
}

.badge-success {
    background-color: var(--success-color);
    color: white;
}

.badge-warning {
    background-color: var(--warning-color);
    color: white;
}

.badge-danger {
    background-color: var(--danger-color);
    color: white;
}

/* Progress */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: var(--gray-200);
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.6s ease;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animasyonlar */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

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

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

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-info { background-color: var(--info-color) !important; }

.shadow-sm { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important; }
.shadow { box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1) !important; }
.shadow-lg { box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1) !important; }

.rounded { border-radius: 8px !important; }
.rounded-lg { border-radius: 12px !important; }
.rounded-xl { border-radius: 16px !important; }

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--gray-400);
}

/* Profil Sayfası Stilleri */
.profile-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 4px solid white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    display: block;
    margin: 0 auto;
}

.profile-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.profile-avatar-upload {
    position: relative;
    display: inline-block;
    text-align: center;
}

.profile-avatar-btn {
    display: inline-block;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    line-height: 0;
}

.profile-avatar-btn:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.85);
    outline-offset: 4px;
}

.profile-avatar-upload input[type="file"] {
    display: none !important;
}

.profile-avatar-upload:hover .profile-avatar {
    opacity: 0.8;
}

.profile-avatar-upload::after {
    content: '\f030';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 8px;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.profile-avatar-upload:hover::after {
    opacity: 1;
}

.profile-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.profile-info p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.profile-info .badge {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

/* Profil Kartları */
.profile-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    border: none;
    transition: all 0.3s ease;
    overflow: hidden;
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.profile-card .card-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    padding: 1.5rem;
}

.profile-card .card-header h5 {
    margin: 0;
    color: var(--gray-800);
    font-weight: 600;
}

.profile-card .card-body {
    padding: 1.5rem;
}

/* Form Stilleri */
.profile-form .form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.profile-form .form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.profile-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.profile-form .form-select {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.profile-form .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

/* Proje Kartları */
.project-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border: none;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.project-card .card-body {
    padding: 1.25rem;
}

.project-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.project-card .card-text {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Giriş Kartları */
.entry-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: none;
    transition: all 0.3s ease;
    margin-bottom: 0.75rem;
}

.entry-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.entry-card .card-body {
    padding: 1rem;
}

.entry-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.entry-card .card-text {
    color: var(--gray-600);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

/* İstatistik Kartları */
.profile-stats .stats-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    border: none;
    transition: all 0.3s ease;
    overflow: hidden;
}

.profile-stats .stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.profile-stats .stats-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-right: 1rem;
}

.profile-stats h4 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--gray-800);
}

.profile-stats p {
    margin: 0;
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Responsive Profil */
@media (max-width: 768px) {
    .profile-header {
        padding: 1.5rem 0;
        margin-bottom: 1.5rem;
    }
    
    .profile-avatar {
        width: 100px;
        height: 100px;
    }
    
    .profile-info h1 {
        font-size: 2rem;
    }
    
    .profile-info p {
        font-size: 1rem;
    }
    
    .profile-card .card-body {
        padding: 1rem;
    }
    
    .profile-stats .stats-card {
        margin-bottom: 1rem;
    }
}

/* Alert Pozisyonu */
.alert.position-fixed {
    top: 20px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
} 

        .welcome-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .welcome-card .logo-container {
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            width: 120px;
            height: 120px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 3px solid rgba(255,255,255,0.3);
            transition: all 0.3s ease;
        }
        
        .welcome-card .logo-container:hover {
            background: rgba(255,255,255,0.3);
            transform: scale(1.05);
        }
        
        .welcome-card .logo-image {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid white;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }