/* Global Styles */
:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --secondary-color: #4f5d75;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-color: #f8f9fa;
    --dark-color: #2d3748;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gray-100);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--gray-800);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--gray-900);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* Container */
.container {
    max-width: 1200px;
    padding: 0 1rem;
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background-color: #fff;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 1.25rem;
    background-color: #fff;
    font-weight: 600;
}

.card-header.bg-primary {
    background-color: var(--primary-color) !important;
    color: white;
}

.card-header.bg-light {
    background-color: var(--gray-100) !important;
}

.card-body {
    padding: 1.5rem;
}

.card-hover:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 6px -1px rgba(67, 97, 238, 0.3);
}

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

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

.btn-light {
    background-color: white;
    border-color: var(--gray-300);
    color: var(--gray-700);
}

.btn-light:hover {
    background-color: var(--gray-100);
    color: var(--gray-800);
}

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

.btn-danger:hover {
    background-color: #c0392b;
    border-color: #c0392b;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon i, .btn-icon svg {
    margin-right: 0.5rem;
}

/* Navbar */
.navbar {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    padding: 0.75rem 1rem;
}

.navbar-dark.bg-primary {
    background-color: var(--primary-color) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: var(--transition);
}

.navbar-dark .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

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

.dropdown-menu {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

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

/* Tables */
.table {
    background-color: #fff;
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    font-weight: 600;
    color: var(--gray-700);
    background-color: var(--gray-100);
    border-top: none;
    border-bottom: 1px solid var(--gray-300);
}

.table td {
    vertical-align: middle;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.table tr:last-child td {
    border-bottom: none;
}

.table-hover tbody tr:hover {
    background-color: var(--gray-100);
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    background-color: white;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

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

.input-group-text {
    background-color: var(--gray-100);
    border-color: var(--gray-300);
}

/* Status Badges */
.badge {
    font-weight: 600;
    padding: 0.35em 0.65em;
    border-radius: 0.375rem;
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

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

.badge.bg-info {
    background-color: var(--info-color) !important;
    color: white;
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.status-badge {
    padding: 0.35em 0.65em;
    border-radius: 0.375rem;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
}

.status-badge i {
    margin-right: 0.25rem;
}

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

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

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

.status-not-found {
    background-color: var(--secondary-color);
    color: white;
}

/* List Groups */
.list-group-item {
    border-left: none;
    border-right: none;
    padding: 1rem 1.25rem;
    border-color: var(--gray-200);
}

.list-group-item:first-child {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.list-group-item:last-child {
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

.list-group-item-action:hover {
    background-color: var(--gray-100);
}

/* Project Cards */
.project-card {
    margin-bottom: 1.5rem;
    transition: var(--transition);
    border-radius: 0.75rem;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.project-card .card-header {
    font-weight: 600;
    padding: 1.25rem;
}

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

/* Empty States */
.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.empty-state-title {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

/* Alert Styling */
.alert {
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
    border: none;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Footer */
footer {
    margin-top: auto;
    padding: 1.5rem 0;
    background-color: var(--gray-100);
    border-top: 1px solid var(--gray-200);
}

/* Utility Classes */
.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.shadow {
    box-shadow: var(--box-shadow);
}

.shadow-lg {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.25rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}