/**
 * GoStack Component Styles
 * Styling for buttons, forms, modals, tables, messages.
 */

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled,
.btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--border-color);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-error-hover);
}

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

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-hover);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
}

/* ==================== Forms ==================== */
.form {
    max-width: 500px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-group input.invalid,
.form-group textarea.invalid,
.form-group select.invalid {
    border-color: var(--color-error);
}

.form-group input.invalid:focus,
.form-group textarea.invalid:focus,
.form-group select.invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.form-group-checkbox {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

/* ==================== Data Tables ==================== */
.data-table {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.data-table th {
    background-color: var(--bg-tertiary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background-color: var(--border-color);
}

.data-table th.sortable.asc::after {
    content: ' ↑';
}

.data-table th.sortable.desc::after {
    content: ' ↓';
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

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

.data-table tbody tr.selected {
    background-color: rgba(37, 99, 235, 0.05);
}

.data-table .empty-row {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

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

.data-table .actions .btn {
    margin-right: var(--spacing-xs);
}

.data-table .actions .btn:last-child {
    margin-right: 0;
}

.data-table .select-column {
    width: 40px;
    text-align: center;
}

/* ==================== Modals ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.modal-confirm .modal-content {
    max-width: 400px;
}

/* ==================== Messages/Toasts ==================== */
.message-container {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.message.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.message-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
    border-left: 4px solid var(--color-success);
}

.message-error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
    border-left: 4px solid var(--color-error);
}

.message-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
    border-left: 4px solid var(--color-warning);
}

.message-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
    border-left: 4px solid var(--color-info);
}

.message-text {
    flex: 1;
}

.message-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.5;
    padding: 0;
}

.message-close:hover {
    opacity: 1;
}

/* ==================== Tabs ==================== */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ==================== Layout Components ==================== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

/* ==================== Loading States ==================== */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==================== Loader Component ==================== */
.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.loader-inline {
    display: inline-flex;
    flex-direction: row;
    gap: var(--spacing-xs);
}

.loader-spinner {
    border: 3px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.loader-sm .loader-spinner {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.loader-md .loader-spinner {
    width: 32px;
    height: 32px;
    border-width: 3px;
}

.loader-lg .loader-spinner {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

.loader-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Loader Dots */
.loader-dots {
    display: flex;
    gap: 4px;
}

.loader-dots span {
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
    animation: loaderDots 1.4s infinite ease-in-out both;
}

.loader-dots span:nth-child(1) { animation-delay: -0.32s; }
.loader-dots span:nth-child(2) { animation-delay: -0.16s; }
.loader-dots span:nth-child(3) { animation-delay: 0s; }

.loader-sm .loader-dots span {
    width: 6px;
    height: 6px;
}

.loader-lg .loader-dots span {
    width: 12px;
    height: 12px;
}

@keyframes loaderDots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Loader Bar */
.loader-bar {
    width: 200px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.loader-bar-progress {
    width: 30%;
    height: 100%;
    background-color: var(--color-primary);
    animation: loaderBar 1.5s infinite ease-in-out;
}

@keyframes loaderBar {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(200%); }
    100% { transform: translateX(-100%); }
}

/* Loader Overlay */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
}

.loader-overlay.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==================== Progress Bar ==================== */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-sm {
    height: 4px;
}

.progress-lg {
    height: 16px;
}

.progress-bar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    color: white;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.progress-bar-primary { background-color: var(--color-primary); }
.progress-bar-success { background-color: var(--color-success); }
.progress-bar-warning { background-color: var(--color-warning); }
.progress-bar-error { background-color: var(--color-error); }

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progressStripes 1s linear infinite;
}

@keyframes progressStripes {
    from { background-position: 1rem 0; }
    to { background-position: 0 0; }
}

/* ==================== Skeleton Loader ==================== */
.skeleton {
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.skeleton-animated {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s infinite;
}

@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--spacing-xs);
}

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-rect {
    border-radius: var(--border-radius);
}

.skeleton-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.skeleton-card-body {
    padding: var(--spacing-md);
}

.skeleton-table {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skeleton-table-row {
    display: flex;
    gap: var(--spacing-sm);
}

.skeleton-table-row .skeleton {
    flex: 1;
    height: 20px;
}

/* ==================== Avatar ==================== */
.avatar {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.avatar-xs {
    width: 24px;
    height: 24px;
    font-size: 0.625rem;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: 0.875rem;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 1.125rem;
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 1.5rem;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-initials {
    text-transform: uppercase;
    user-select: none;
}

/* Avatar Status */
.avatar-status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 25%;
    height: 25%;
    min-width: 8px;
    min-height: 8px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}

.avatar-status-online {
    background-color: var(--color-success);
}

.avatar-status-offline {
    background-color: var(--text-muted);
}

.avatar-status-away {
    background-color: var(--color-warning);
}

.avatar-status-busy {
    background-color: var(--color-error);
}

/* Avatar Group */
.avatar-group {
    display: inline-flex;
    align-items: center;
}

.avatar-group-overlap .avatar {
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
}

.avatar-group-overlap .avatar:first-child {
    margin-left: 0;
}

.avatar-more {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Clickable Avatar */
button.avatar {
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

button.avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

button.avatar:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==================== Alert ==================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.alert-info {
    background-color: var(--color-info-light);
    border-left-color: var(--color-info);
    color: var(--color-info-dark);
}

.alert-success {
    background-color: var(--color-success-light);
    border-left-color: var(--color-success);
    color: var(--color-success-dark);
}

.alert-warning {
    background-color: var(--color-warning-light);
    border-left-color: var(--color-warning);
    color: var(--color-warning-dark);
}

.alert-error {
    background-color: var(--color-error-light);
    border-left-color: var(--color-error);
    color: var(--color-error-dark);
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.alert-dismiss {
    background: none;
    border: none;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.5;
    padding: 0;
    margin-left: auto;
    color: inherit;
    transition: opacity var(--transition-fast);
}

.alert-dismiss:hover {
    opacity: 1;
}

.alert-dismissing {
    animation: alertDismiss 0.3s ease forwards;
}

@keyframes alertDismiss {
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

/* Alert Banner */
.alert-banner {
    border-radius: 0;
    border-left: none;
    border-bottom: 1px solid;
}

.alert-banner-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
    flex: 1;
}

.alert-banner .alert-message {
    font-size: var(--font-size-base);
}

/* ==================== Breadcrumb ==================== */
.breadcrumb {
    font-size: var(--font-size-sm);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-separator {
    margin: 0 var(--spacing-xs);
    color: var(--text-muted);
}

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.breadcrumb-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.breadcrumb-home-icon {
    width: 16px;
    height: 16px;
}

.breadcrumb-ellipsis {
    color: var(--text-muted);
}

/* ==================== Card (Extended) ==================== */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.card-elevated {
    border: none;
    box-shadow: var(--shadow-lg);
}

.card-outlined {
    background-color: transparent;
}

.card-clickable {
    cursor: pointer;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card-clickable:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-clickable:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.card-image {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.card-header-content {
    flex: 1;
    min-width: 0;
}

.card-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.4;
}

.card-subtitle {
    margin: var(--spacing-xs) 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.card-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Collapsible Card */
.card-collapse-btn {
    padding: var(--spacing-xs);
}

.card-collapse-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.card-collapsed .card-collapse-icon {
    transform: rotate(-90deg);
}

.card-collapsed .card-body,
.card-collapsed .card-footer {
    display: none;
}

/* Card Loading */
.card-loading .card-body {
    min-height: 100px;
}

.card-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

/* Card Grid */
.card-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .card-grid-2,
    .card-grid-3,
    .card-grid-4 { grid-template-columns: 1fr; }
}

/* ==================== Pagination ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 2px;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not([disabled]):not(.active) {
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.pagination-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.pagination-btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
}

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

.pagination-btn svg {
    width: 16px;
    height: 16px;
}

.pagination-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    color: var(--text-muted);
}

.pagination-per-page {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.pagination-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
}

.pagination-indicator {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: 0 var(--spacing-md);
}

/* Simple pagination */
.pagination-simple .pagination-nav {
    gap: var(--spacing-md);
}

@media (max-width: 640px) {
    .pagination-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .pagination-pages {
        display: none;
    }

    .pagination-info {
        order: -1;
    }
}

/* ==================== Tabs (Extended) ==================== */
.tabs-wrapper {
    display: flex;
    flex-direction: column;
}

.tabs-vertical {
    flex-direction: row;
}

.tabs-vertical .tabs {
    flex-direction: column;
    border-bottom: none;
    border-right: 1px solid var(--border-color);
    margin-bottom: 0;
    margin-right: var(--spacing-lg);
    min-width: 150px;
}

.tabs-vertical .tab-btn {
    border-bottom: none;
    border-right: 2px solid transparent;
    text-align: left;
    justify-content: flex-start;
}

.tabs-vertical .tab-btn.active {
    border-right-color: var(--color-primary);
    border-bottom-color: transparent;
}

.tabs-vertical .tab-panels {
    flex: 1;
}

/* Pills variant */
.tabs-pills .tabs {
    border-bottom: none;
    gap: var(--spacing-xs);
}

.tabs-pills .tab-btn {
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: transparent;
}

.tabs-pills .tab-btn:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
}

.tabs-pills .tab-btn.active {
    background-color: var(--color-primary);
    color: white;
}

/* Underline variant */
.tabs-underline .tabs {
    border-bottom: 2px solid var(--border-color);
}

.tabs-underline .tab-btn {
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    background: transparent;
}

.tabs-underline .tab-btn.active {
    border-bottom-color: var(--color-primary);
}

/* Tab with icon */
.tab-icon {
    display: inline-flex;
    align-items: center;
    margin-right: var(--spacing-xs);
}

.tab-icon svg {
    width: 16px;
    height: 16px;
}

/* Tab panels */
.tab-panels {
    flex: 1;
}

.tab-content {
    padding: var(--spacing-lg) 0;
}

.tab-content[hidden] {
    display: none;
}

.tab-content:focus {
    outline: none;
}

/* Disabled tab */
.tab-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== Dropdown ==================== */
.dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    text-align: left;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.dropdown-trigger:hover:not(:disabled) {
    border-color: var(--text-muted);
}

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

.dropdown-disabled .dropdown-trigger {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--bg-secondary);
}

.dropdown-placeholder {
    color: var(--text-muted);
}

.dropdown-value {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-arrow {
    width: 20px;
    height: 20px;
    margin-left: var(--spacing-sm);
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.dropdown-open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-clear {
    padding: 0 var(--spacing-xs);
    margin-left: var(--spacing-xs);
    font-size: 1.25rem;
    line-height: 1;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
}

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

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    display: none;
    margin-top: 4px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.dropdown-open .dropdown-menu {
    display: block;
}

.dropdown-search {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-search-input {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.dropdown-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.dropdown-options {
    overflow-y: auto;
    max-height: inherit;
}

.dropdown-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dropdown-option:hover {
    background-color: var(--bg-secondary);
}

.dropdown-option-highlighted {
    background-color: var(--bg-tertiary);
}

.dropdown-option-selected {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

.dropdown-option-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dropdown-checkbox {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 0.75rem;
    color: var(--color-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.dropdown-option-selected .dropdown-checkbox {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.dropdown-option-label {
    flex: 1;
}

.dropdown-group-label {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background-color: var(--bg-secondary);
}

.dropdown-no-results {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ==================== Navbar ==================== */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.navbar-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-dark {
    background-color: var(--bg-dark);
    border-bottom-color: var(--bg-dark-secondary);
}

.navbar-dark .nav-link,
.navbar-dark .navbar-brand {
    color: var(--text-light);
}

.navbar-dark .nav-link:hover {
    color: white;
}

.navbar-transparent {
    background-color: transparent;
    border-bottom: none;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 64px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.navbar-logo {
    height: 32px;
    width: auto;
}

.navbar-toggle {
    display: none;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    position: relative;
}

.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform var(--transition-fast);
}

.navbar-toggle-icon::before { top: -7px; }
.navbar-toggle-icon::after { bottom: -7px; }

.navbar-mobile-open .navbar-toggle-icon {
    background-color: transparent;
}

.navbar-mobile-open .navbar-toggle-icon::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-mobile-open .navbar-toggle-icon::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
}

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

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

.nav-icon {
    display: inline-flex;
    align-items: center;
}

.nav-icon svg {
    width: 18px;
    height: 18px;
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-dropdown-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.nav-dropdown.open .nav-dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 100;
    display: none;
    min-width: 180px;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    list-style: none;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.nav-dropdown-menu-right {
    left: auto;
    right: 0;
}

.nav-dropdown.open .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
}

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

.nav-dropdown-item-danger {
    color: var(--color-error);
}

.nav-dropdown-divider {
    height: 1px;
    margin: var(--spacing-xs) 0;
    background-color: var(--border-color);
}

/* Navbar User */
.navbar-user {
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--border-color);
}

.navbar-user-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast);
}

.navbar-user-trigger:hover {
    background-color: var(--bg-secondary);
}

.navbar-user-name {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

/* Mobile */
@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }

    .navbar-menu {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }

    .navbar-mobile-open .navbar-menu {
        display: flex;
    }

    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: var(--spacing-lg);
        margin-top: 0;
    }

    .navbar-user {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-top: var(--spacing-md);
        margin-top: var(--spacing-md);
    }
}

/* ==================== Sidebar ==================== */
.sidebar {
    display: flex;
    flex-direction: column;
    width: 260px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: width var(--transition-normal), transform var(--transition-normal);
}

.sidebar.sidebar-collapsed {
    width: 64px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    min-height: 64px;
}

.sidebar-logo {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.sidebar-title {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-fast);
}

.sidebar-collapsed .sidebar-title {
    opacity: 0;
    width: 0;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-sm) 0;
}

.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-item {
    margin: 2px var(--spacing-sm);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
}

.sidebar-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-link.active {
    background-color: var(--color-primary);
    color: white;
}

.sidebar-link.active:hover {
    background-color: var(--color-primary-hover);
}

.sidebar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-icon svg {
    width: 100%;
    height: 100%;
}

.sidebar-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--transition-fast);
}

.sidebar-collapsed .sidebar-label {
    opacity: 0;
    width: 0;
}

/* Sidebar Groups */
.sidebar-group-toggle {
    justify-content: flex-start;
}

.sidebar-group-arrow {
    width: 16px;
    height: 16px;
    margin-left: auto;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-collapsed .sidebar-group-arrow {
    display: none;
}

.sidebar-group.expanded .sidebar-group-arrow {
    transform: rotate(180deg);
}

.sidebar-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.sidebar-group.expanded .sidebar-submenu {
    max-height: 500px;
}

.sidebar-collapsed .sidebar-submenu {
    display: none;
}

.sidebar-sublink {
    padding-left: calc(var(--spacing-md) + 28px);
    font-size: var(--font-size-xs);
}

.sidebar-sublink.active {
    background-color: rgba(var(--color-primary-rgb, 59, 130, 246), 0.15);
    color: var(--color-primary);
}

.sidebar-sublink.active:hover {
    background-color: rgba(var(--color-primary-rgb, 59, 130, 246), 0.25);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-collapsed .sidebar-footer {
    padding: var(--spacing-sm);
    font-size: 0;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: absolute;
    bottom: var(--spacing-md);
    right: calc(-1 * var(--spacing-md));
    transform: translateX(50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 101;
}

.sidebar-toggle:hover {
    background-color: var(--bg-tertiary);
}

.sidebar-toggle-icon {
    width: 14px;
    height: 14px;
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
}

.sidebar-collapsed .sidebar-toggle-icon {
    transform: rotate(180deg);
}

/* Sidebar with Overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.sidebar-overlay.visible {
    display: block;
    opacity: 1;
}

/* Main content offset */
.has-sidebar {
    margin-left: 260px;
    transition: margin-left var(--transition-normal);
}

.has-sidebar.sidebar-collapsed {
    margin-left: 64px;
}

/* Sidebar Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.sidebar-open {
        transform: translateX(0);
    }

    .sidebar-collapsed {
        width: 260px;
    }

    .has-sidebar,
    .has-sidebar.sidebar-collapsed {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: none;
    }
}

/* Mobile menu toggle button */
.sidebar-mobile-toggle {
    display: none;
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    border: none;
    cursor: pointer;
    z-index: 98;
    box-shadow: var(--shadow-lg);
    align-items: center;
    justify-content: center;
}

.sidebar-mobile-toggle svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 1024px) {
    .sidebar-mobile-toggle {
        display: flex;
    }
}

/* ==================== KPI Tiles ==================== */
.kpi-tile {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.kpi-tile-clickable {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.kpi-tile-clickable:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.kpi-tile-sm { padding: var(--spacing-md); }
.kpi-tile-lg { padding: var(--spacing-xl); }

.kpi-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.kpi-icon {
    width: 24px;
    height: 24px;
    color: var(--kpi-color, var(--color-primary));
}

.kpi-title {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-body {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.kpi-tile-sm .kpi-value { font-size: 1.5rem; }
.kpi-tile-lg .kpi-value { font-size: 2.5rem; }

.kpi-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.kpi-trend-up { color: var(--color-success); }
.kpi-trend-down { color: var(--color-error); }
.kpi-trend-neutral { color: var(--text-tertiary); }

.kpi-loading .kpi-value {
    height: 2rem;
    width: 80px;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius);
}

.kpi-grid {
    display: grid;
    gap: var(--spacing-md);
}

.kpi-grid-2 { grid-template-columns: repeat(2, 1fr); }
.kpi-grid-3 { grid-template-columns: repeat(3, 1fr); }
.kpi-grid-4 { grid-template-columns: repeat(4, 1fr); }
.kpi-grid-5 { grid-template-columns: repeat(5, 1fr); }

.kpi-gap-sm { gap: var(--spacing-sm); }
.kpi-gap-lg { gap: var(--spacing-lg); }

@media (max-width: 1024px) {
    .kpi-grid-4, .kpi-grid-5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .kpi-grid-2, .kpi-grid-3, .kpi-grid-4, .kpi-grid-5 {
        grid-template-columns: 1fr;
    }
}

/* ==================== Stat Cards ==================== */
.stat-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.stat-card-outlined {
    background-color: transparent;
}

.stat-card-filled.stat-card-primary { background-color: var(--color-primary); color: white; }
.stat-card-filled.stat-card-success { background-color: var(--color-success); color: white; }
.stat-card-filled.stat-card-warning { background-color: var(--color-warning); color: white; }
.stat-card-filled.stat-card-error { background-color: var(--color-error); color: white; }

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

.stat-icon-primary { background-color: rgba(59, 130, 246, 0.1); color: var(--color-primary); }
.stat-icon-success { background-color: rgba(16, 185, 129, 0.1); color: var(--color-success); }
.stat-icon-warning { background-color: rgba(245, 158, 11, 0.1); color: var(--color-warning); }
.stat-icon-error { background-color: rgba(239, 68, 68, 0.1); color: var(--color-error); }
.stat-icon-info { background-color: rgba(6, 182, 212, 0.1); color: var(--color-info); }

.stat-content { flex: 1; }

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card-filled .stat-value { color: inherit; }

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.stat-card-filled .stat-label { color: inherit; opacity: 0.9; }

.stat-description {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* ==================== Dashboard ==================== */
.dashboard {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
}

.dashboard-gap-sm { gap: var(--spacing-sm); }
.dashboard-gap-lg { gap: var(--spacing-lg); }

.dashboard-widget {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.widget-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.widget-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.widget-icon {
    margin-right: var(--spacing-sm);
    color: var(--text-secondary);
}

.widget-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.widget-action {
    padding: var(--spacing-xs);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.widget-action:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.widget-body {
    padding: var(--spacing-lg);
    position: relative;
}

.widget-body.widget-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.widget-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Widget variants */
.widget-outlined {
    background-color: transparent;
}

.widget-elevated {
    box-shadow: var(--shadow-md);
    border: none;
}

@media (max-width: 1024px) {
    .dashboard {
        grid-template-columns: repeat(6, 1fr);
    }
    .dashboard-widget[style*="span 4"] {
        grid-column: span 3 !important;
    }
}

@media (max-width: 640px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
    .dashboard-widget {
        grid-column: span 1 !important;
    }
}

/* ==================== Export Buttons ==================== */
.export-group {
    display: inline-flex;
    gap: var(--spacing-xs);
}

/* ==================== Messaging ==================== */
.message-inbox {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.message-inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.message-inbox-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}

.message-inbox-header .badge {
    background-color: var(--color-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: var(--font-size-xs);
}

.message-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.message-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

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

.message-list {
    flex: 1;
    overflow-y: auto;
}

.message-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.message-item:hover {
    background-color: var(--bg-secondary);
}

.message-item.selected {
    background-color: var(--bg-tertiary);
}

.message-item.unread {
    background-color: var(--color-primary-bg);
}

.message-item.unread .message-subject {
    font-weight: 600;
}

.message-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.message-sender {
    font-weight: 500;
    color: var(--text-primary);
}

.message-date {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.message-item .message-subject {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.message-preview {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-empty {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-tertiary);
}

.message-view {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.message-view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.message-view-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.message-view-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.message-view-content .message-subject {
    font-size: var(--font-size-xl);
    margin: 0 0 var(--spacing-md);
}

.message-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.message-body {
    line-height: 1.6;
    color: var(--text-primary);
}

.message-thread {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
}

.message-thread h4 {
    margin: 0 0 var(--spacing-md);
    color: var(--text-secondary);
}

.message-thread-item {
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.message-thread-item.current {
    border-left: 3px solid var(--color-primary);
}

.message-thread-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.message-thread-body {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.message-composer {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.message-composer-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.message-composer-header h3 {
    margin: 0;
}

.message-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
}

.message-form .form-group:last-of-type {
    flex: 1;
}

.message-form textarea {
    flex: 1;
    resize: none;
}

.message-composer-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.message-center {
    height: 500px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background-color: var(--bg-primary);
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .content {
        padding: var(--spacing-md);
    }

    .header {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .form-actions {
        flex-direction: column;
    }

    .modal-content {
        max-height: 100vh;
        border-radius: 0;
    }

    .message-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        max-width: none;
    }
}