/* Custom CSS for Research Publication Platform */

/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Card Styles */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.5rem;
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    padding: 0.75rem 1rem;
}

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

.btn {
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46a0 100%);
    transform: translateY(-1px);
}

/* Table Styles */
.table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #e0e0e0;
    font-weight: 600;
}

/* Badge Styles */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

.badge-submitted {
    background-color: #ffc107;
    color: #856404;
}

.badge-under_review {
    background-color: #17a2b8;
    color: white;
}

.badge-accepted {
    background-color: #28a745;
    color: white;
}

.badge-rejected {
    background-color: #dc3545;
    color: white;
}

/* Dashboard Stats */
.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.stat-card i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 0;
}

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

/* Responsive */
@media (max-width: 768px) {
    .card-header h4 {
        font-size: 1.2rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }
}

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

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

/* Publication Card */
.publication-card {
    margin-bottom: 1.5rem;
}

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

.publication-title {
    color: #333;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.publication-author {
    color: #667eea;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.publication-abstract {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.keyword-badge {
    background-color: #e9ecef;
    color: #495057;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}