input, textarea, select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

input:disabled, textarea:disabled, select:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

.form-hint {
    display: block;
    margin-top: 0.375rem;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.form-error {
    display: block;
    margin-top: 0.375rem;
    font-size: var(--font-size-xs);
    color: var(--danger-color);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.form-check input[type="checkbox"], .form-check input[type="radio"] {
    width: auto;
    margin: 0;
}

.form-check-label {
    margin: 0;
    font-weight: 400;
    color: var(--text-primary);
}

.input-group {
    position: relative;
    display: flex;
    align-items: stretch;
    width: 100%;
}

.input-group input, .input-group select {
    border-radius: var(--border-radius-sm);
}

.input-group .input-group-text {
    padding: 0.625rem 0.875rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: 0;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-primary);
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead {
    background-color: var(--bg-tertiary);
}

.table th {
    padding: 0.875rem 1rem;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bg-secondary);
}

.table td {
    padding: 1rem;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    vertical-align: middle;
}

.table td.actions {
    white-space: nowrap;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: transform var(--transition-base);
}

.modal.show .modal-dialog {
    transform: translateY(0);
}

.modal-lg .modal-dialog {
    max-width: 800px;
}

.modal-xl .modal-dialog {
    max-width: 1140px;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
    user-select: none;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.dropdown.show .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-item.active {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0.5rem 0;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.75rem 1.25rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary-color);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.pagination {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.page-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.5rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.page-item:hover:not(.disabled) {
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
}

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

.page-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: box-shadow var(--transition-fast);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
}

.stat-trend.positive {
    color: var(--success-color);
}

.stat-trend.negative {
    color: var(--danger-color);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-box input {
    padding-right: 3rem;
}

.search-box .search-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    min-width: 200px;
}

.filter-group label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .search-box {
        max-width: 100%;
    }
}