/* Burs Başvuru Sistemi CSS - Minimal & Professional */

/* Genel Stiller */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --text-muted: #64748b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8fafc;
    font-size: 14px;
    line-height: 1.5;
    color: var(--dark-color);
}

/* Ana Sayfa */
.min-vh-100 {
    min-height: 100vh;
}

.bg-primary {
    background: linear-gradient(135deg, #0d6efd, #0a58ca) !important;
}

/* Kartlar - Minimal */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    background-color: white;
}

.card-header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    color: var(--dark-color);
    font-weight: 600;
    font-size: 14px;
    padding: 12px 16px;
    border-radius: 8px 8px 0 0 !important;
}

.card-body {
    padding: 16px;
    font-size: 13px;
}

.card-footer {
    background-color: var(--light-color);
    border-top: 1px solid var(--border-color);
    padding: 12px 16px;
    font-size: 12px;
}

/* Butonlar - Minimal */
.btn {
    border-radius: 6px;
    font-weight: 500;
    font-size: 13px;
    padding: 8px 16px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 14px;
}

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

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Navigasyon - Minimal */
.navbar {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 12px 0;
    background-color: var(--primary-color) !important;
}

.navbar-brand {
    font-weight: 600;
    font-size: 16px;
    color: white !important;
}

.navbar-text {
    font-size: 13px;
}

/* Sidebar - Clean */
.sidebar {
    background-color: white;
    border-right: 1px solid var(--border-color);
    min-height: calc(100vh - 56px);
    padding-top: 8px;
}

.sidebar .nav-link {
    color: var(--text-muted);
    padding: 10px 16px;
    border-radius: 6px;
    margin: 1px 8px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.sidebar .nav-link:hover {
    color: var(--primary-color);
    background-color: #f1f5f9;
}

.sidebar .nav-link.active {
    color: var(--primary-color);
    background-color: #eff6ff;
    border-color: #dbeafe;
}

.sidebar .nav-link i {
    width: 16px;
    margin-right: 8px;
    font-size: 12px;
}

/* Form Elemanları - Clean */
.form-label {
    font-weight: 600;
    color: var(--dark-color);
    font-size: 13px;
    margin-bottom: 6px;
}

.form-control,
.form-select {
    border-radius: 6px;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    font-size: 13px;
    transition: all 0.2s ease;
    background-color: white;
}

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

.form-text {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

/* Tablolar */
.table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(0,0,0,0.05);
}

.table th {
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--dark-color);
    border: none;
    padding: 15px;
}

.table td {
    padding: 12px 15px;
    vertical-align: middle;
    border: none;
    border-bottom: 1px solid #f1f3f4;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Badge'ler */
.badge {
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
}

/* Alert'ler */
.alert {
    border-radius: 10px;
    border: none;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d1edff;
    color: #0c5460;
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

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

.progress-bar {
    border-radius: 10px;
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.file-upload-input {
    position: absolute;
    left: -9999px;
}

.file-upload-label {
    display: block;
    width: 100%;
    padding: 15px;
    background-color: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload-label:hover {
    background-color: #e9ecef;
    border-color: var(--primary-color);
}

.file-upload-label.dragover {
    background-color: rgba(13, 110, 253, 0.1);
    border-color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
    }

    .table-responsive {
        border-radius: 10px;
    }

    .btn-lg {
        padding: 12px 20px;
        font-size: 1rem;
    }
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

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

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

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Print Styles */
@media print {
    .sidebar,
    .navbar,
    .btn,
    .no-print {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
}