:root {
    --md-sys-color-primary: rgb(143, 0, 0);
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-secondary-container: rgb(229, 209, 209);
    --md-sys-color-surface: rgb(239, 240, 239);
    --md-sys-color-surface-container: #ffffff;
    --md-sys-color-outline-variant: #d3dae3;
    --md-sys-color-error: #ba1a1a;
    --vk2-sidebar-width: 16rem;
    --vk2-sidebar-collapsed-width: 4.5rem;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Open Sans", "Segoe UI", sans-serif;
    background: var(--md-sys-color-surface);
    color: rgb(68, 69, 68);
}

h1,
h2,
h3,
p {
    margin: 0;
}

.vk2-shell {
    min-height: 100vh;
    display: flex;
}

.vk2-shell-minimal .vk2-content {
    margin-left: 0;
}

.vk2-main {
    flex: 1;
    margin-left: var(--vk2-sidebar-width);
    display: flex;
    flex-direction: column;
}

.vk2-main.is-collapsed {
    margin-left: var(--vk2-sidebar-collapsed-width);
}

.vk2-content {
    padding: 1.5rem;
}

.vk2-content-container {
    max-width: 88rem;
    margin: 0 auto;
}

.vk2-content-centered {
    min-height: calc(100vh - 3rem);
    display: grid;
    place-items: center;
}

.vk2-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--vk2-sidebar-width);
    border-right: 1px solid var(--md-sys-color-outline-variant);
    background: var(--md-sys-color-surface-container);
    display: flex;
    flex-direction: column;
}

.vk2-sidebar.is-collapsed {
    width: var(--vk2-sidebar-collapsed-width);
}

.vk2-sidebar-header,
.vk2-sidebar-footer {
    min-height: 4rem;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.vk2-sidebar-footer {
    border-top: 1px solid var(--md-sys-color-outline-variant);
}

.vk2-brand-mark {
    width: 2rem;
    height: 2rem;
    border-radius: 0.75rem;
    display: grid;
    place-items: center;
    background: var(--md-sys-color-secondary-container);
}

.vk2-sidebar-nav {
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.vk2-nav-item {
    height: 2.75rem;
    border-radius: 1.375rem;
    padding: 0 0.85rem;
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.vk2-nav-item.active {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-primary);
}

.vk2-nav-section {
    padding: 0.8rem 0.85rem 0.2rem;
    font-size: 0.75rem;
    opacity: 0.75;
}

.vk2-topbar {
    min-height: 4rem;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    background: var(--md-sys-color-surface-container);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vk2-topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}

.vk2-topbar-search-form {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 1.25rem;
    background: var(--md-sys-color-surface-container);
    padding: 0 0.25rem 0 0.65rem;
    min-height: 2.25rem;
    width: min(100%, 26rem);
}

.vk2-topbar-search-input {
    flex: 1;
    min-width: 10rem;
    border: 0;
    outline: none;
    background: transparent;
    font: inherit;
    color: inherit;
}

.vk2-topbar-search-input::placeholder {
    opacity: 0.7;
}

.vk2-topbar-user,
.vk2-topbar-user-meta,
.vk2-page,
.vk2-stack,
.vk2-actions {
    display: flex;
    gap: 0.75rem;
}

.vk2-topbar-user {
    position: relative;
    align-items: center;
}

.vk2-topbar-user-meta,
.vk2-stack,
.vk2-page {
    flex-direction: column;
}

.vk2-topbar-user-meta {
    text-align: right;
    font-size: 0.85rem;
}

.vk2-user-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 12.5rem;
    background: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 0.75rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
    padding: 0.4rem;
    z-index: 10;
}

.vk2-user-menu-item {
    width: 100%;
    border: 0;
    background: transparent;
    border-radius: 0.5rem;
    padding: 0.6rem 0.75rem;
    text-align: left;
    font: inherit;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
}

.vk2-user-menu-item:hover,
.vk2-user-menu-item:focus-visible {
    background: var(--md-sys-color-secondary-container);
    outline: none;
}

.vk2-page {
    gap: 1rem;
}

.vk2-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.vk2-card {
    padding: 1rem;
}

.vk2-login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 28rem;
}

.vk2-login-card {
    width: 100%;
    text-align: center;
    gap: 1.5rem;
    padding: 1.5rem;
}

.vk2-login-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--md-sys-color-secondary-container);
}

.vk2-filter-row,
.vk2-grid-two,
.vk2-data-grid,
.vk2-form-grid {
    display: grid;
    gap: 0.9rem;
}

.vk2-filter-row,
.vk2-grid-two {
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.vk2-data-grid,
.vk2-form-grid {
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

.vk2-select-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.85rem;
}

.vk2-select-field select,
.field input,
.field textarea,
.field select {
    min-height: 2.75rem;
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 0.75rem;
    padding: 0.45rem 0.75rem;
    font: inherit;
}

.field textarea {
    min-height: 6rem;
}

.vk2-table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 52rem;
}

th,
td {
    padding: 0.7rem;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    text-align: left;
}

.vk2-name-cell {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.vk2-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--md-sys-color-secondary-container);
    overflow: hidden;
}

.vk2-avatar-large {
    width: 4rem;
    height: 4rem;
}

.vk2-avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vk2-profile-image-controls {
    margin-top: 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.vk2-profile-image-hint {
    font-size: 0.8rem;
    opacity: 0.8;
}

.vk2-profile-image-meta {
    font-size: 0.8rem;
}

.vk2-status-chip {
    display: inline-flex;
    padding: 0.2rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.8rem;
}

.status-active {
    background: #dff7df;
}

.status-inactive {
    background: #eceff2;
}

.status-pending {
    background: #e0ecff;
}

.status-neutral {
    background: #f2f2f2;
}

.vk2-row-actions,
.vk2-pagination,
.pair {
    display: flex;
    gap: 0.5rem;
}

.vk2-pagination {
    justify-content: space-between;
    align-items: center;
}

.vk2-page-indicator {
    min-width: 4.5rem;
    text-align: center;
    vertical-align: middle;
    text-justify: center;
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: center;   /* Vertical center */
    justify-content: center; /* Horizontal center */
}

.pair {
    flex-wrap: wrap;
}

.field {
    flex: 1 1 12rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.vk2-label,
.field label {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-right: 0.25rem;
}

.vk2-state {
    padding: 1rem;
}

.vk2-tablist {
    display: flex;
    align-items: stretch;
    gap: 0;
    min-height: 3rem;
    overflow-x: auto;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.vk2-tab-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
    min-width: 5.625rem;
    max-width: 22.5rem;
    padding: 0 1rem;
    border: 0;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.vk2-tab-button md-icon {
    --md-icon-size: 1.25rem;
}

.vk2-tab-button.is-active {
    color: var(--md-sys-color-primary);
    border-bottom-color: var(--md-sys-color-primary);
}

.vk2-tab-button:hover {
    background: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}

.vk2-tab-button:focus-visible {
    outline: 2px solid var(--md-sys-color-primary);
    outline-offset: -2px;
}

.vk2-state-error,
.validation-message {
    color: var(--md-sys-color-error);
}

.vk2-validation-summary {
    color: var(--md-sys-color-error);
}

/* Skeleton Loaders (Material Design 3) */
@keyframes vk2-skeleton-shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.vk2-skeleton {
    background-color: #e0e0e0;
    background-image: linear-gradient(
        90deg,
        #e0e0e0 0%,
        #f0f0f0 50%,
        #e0e0e0 100%
    );
    background-size: 1000px 100%;
    animation: vk2-skeleton-shimmer 2s infinite;
    border-radius: 4px;
}

.vk2-skeleton-text {
    height: 1rem;
    width: 100%;
    display: inline-block;
}

.vk2-skeleton-text-sm {
    height: 0.875rem;
    width: 100%;
    display: inline-block;
}

.vk2-skeleton-text-xs {
    height: 0.75rem;
    width: 100%;
    display: inline-block;
}

.vk2-skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.vk2-skeleton-row {
    opacity: 0.6;
}

.vk2-skeleton-row:hover {
    background-color: transparent !important;
}