/* Custom CSS for the Ukrainian Companies Data Processing System */

/* Root variables for consistent theming */
:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition: all 0.15s ease-in-out;
}

/* Global styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navigation enhancements */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    transform: translateY(-1px);
}

/* Card enhancements */
.card {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.125);
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.125);
    font-weight: 600;
}

/* Button enhancements */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

/* Table enhancements */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.075);
    transition: var(--transition);
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border-top: none;
    background: rgba(255, 255, 255, 0.05);
}

.table td {
    vertical-align: middle;
    border-color: rgba(255, 255, 255, 0.125);
}

/* Badge styles */
.badge {
    font-weight: 500;
    border-radius: calc(var(--border-radius) * 0.5);
}

/* Form enhancements */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.25);
    background-color: rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    background-color: rgba(255, 255, 255, 0.1);
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-text {
    font-size: 0.875rem;
    opacity: 0.75;
}

/* Input group enhancements */
.input-group-text {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: inherit;
}

/* Alert enhancements */
.alert {
    border-radius: var(--border-radius);
    border: none;
    font-weight: 500;
}

.alert .alert-heading {
    font-weight: 600;
}

/* Pagination enhancements */
.pagination .page-link {
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.25);
    background-color: rgba(255, 255, 255, 0.05);
    color: inherit;
    margin: 0 2px;
    transition: var(--transition);
}

.pagination .page-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Dropdown enhancements */
.dropdown-menu {
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.125);
    background-color: var(--dark-color);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.175);
}

.dropdown-item {
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Spinner and loading states */
.spinner-border {
    border-width: 2px;
}

/* Statistics cards */
.card.bg-primary,
.card.bg-success,
.card.bg-info,
.card.bg-warning {
    border: none;
    box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.1);
}

.card.bg-primary:hover,
.card.bg-success:hover,
.card.bg-info:hover,
.card.bg-warning:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.2);
}

/* File upload styling */
.form-control[type="file"] {
    padding: 0.5rem;
}

.form-control[type="file"]::-webkit-file-upload-button {
    background-color: var(--primary-color);
    border: none;
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: calc(var(--border-radius) * 0.75);
    margin-right: 0.75rem;
    font-weight: 500;
    transition: var(--transition);
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background-color: #0b5ed7;
}

/* Progress bars */
.progress {
    height: 0.75rem;
    border-radius: calc(var(--border-radius) * 0.5);
    background-color: rgba(255, 255, 255, 0.1);
}

.progress-bar {
    border-radius: calc(var(--border-radius) * 0.5);
}

/* Utility classes */
.text-truncate-custom {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.shadow-hover {
    transition: var(--transition);
}

.shadow-hover:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.border-hover {
    transition: var(--transition);
}

.border-hover:hover {
    border-color: var(--primary-color) !important;
}

/* Footer */
footer {
    background-color: var(--dark-color) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.125);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: 0.625rem 1.25rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .table-responsive {
        font-size: 0.8rem;
    }
    
    .badge {
        font-size: 0.7em;
    }
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    .pagination,
    footer {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    .table {
        font-size: 0.8rem;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Toast positioning */
.toast-container {
    z-index: 1055;
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}