/* Modern sidebar navigation. Theme-aware: only Radzen CSS variables are used
   for backgrounds/text so light and dark themes both stay readable. */

.rz-sidebar {
    scrollbar-width: thin;
    scrollbar-color: var(--rz-base-400) transparent;
}
.rz-sidebar::-webkit-scrollbar { width: 6px; }
.rz-sidebar::-webkit-scrollbar-thumb { background: var(--rz-base-400); border-radius: 3px; }
.rz-sidebar::-webkit-scrollbar-track { background: transparent; }

/* ---- Brand ---- */
:root { --st-sb-fg: var(--rz-sidebar-color, var(--rz-text-color)); }

.st-sidebar-brand {
    display: flex;
    justify-content: center;
    padding: 0.75rem 0.75rem 0.25rem;
}
.st-sidebar-brand img {
    display: block;
    width: 100%;
    max-width: 210px;
    height: auto;
}

/* ---- Search (sticky so it stays visible while scrolling long menus) ---- */
.st-sidebar-search-wrap {
    position: sticky;
    top: 0;
    z-index: 3;
    padding: 0.25rem 0.75rem 0.5rem;
    background: var(--rz-sidebar-background-color, var(--rz-base-background-color));
}
.st-sidebar-search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 0.6rem;
    height: 2.4rem;
    border-radius: 0.6rem;
    border: 1px solid var(--rz-base-300);
    background: var(--rz-base-background-color);
    color: var(--rz-text-secondary-color);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.st-sidebar-search:focus-within {
    border-color: var(--rz-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--rz-primary) 22%, transparent);
}
.st-sidebar-search .rzi { font-size: 1.15rem; flex: none; }
.st-sidebar-search input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--rz-text-color);
    font: inherit;
    font-size: 0.875rem;
    -webkit-appearance: none;
    appearance: none;
}
.st-sidebar-search input::-webkit-search-cancel-button { display: none; }
.st-sidebar-search input::placeholder { color: var(--rz-text-secondary-color); }
.st-sidebar-search kbd {
    flex: none;
    font: inherit;
    font-size: 0.7rem;
    line-height: 1;
    padding: 0.2rem 0.4rem;
    border-radius: 0.3rem;
    border: 1px solid var(--rz-base-300);
    color: var(--rz-text-secondary-color);
    background: var(--rz-panel-background-color);
}
.st-sidebar-search button {
    flex: none;
    display: none;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--rz-text-secondary-color);
    cursor: pointer;
}
.st-sidebar-search button:hover { background: var(--rz-base-200); color: var(--rz-text-color); }
.st-sidebar-search button .rzi { font-size: 1rem; }
body.st-sidebar-searching .st-sidebar-search kbd { display: none; }
body.st-sidebar-searching .st-sidebar-search button { display: inline-flex; }

/* ---- Search results (replace the tree while a query is active) ---- */
.st-sidebar-results { display: none; padding: 0 0.5rem 1rem; }
body.st-sidebar-searching .st-sidebar-results { display: block; }
body.st-sidebar-searching .rz-sidebar .rz-panel-menu { display: none; }

.st-sidebar-results-count {
    padding: 0.25rem 0.75rem 0.5rem;
    font-size: 0.75rem;
    color: var(--st-sb-fg);
    opacity: 0.7;
}
.st-result {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.6rem;
    color: var(--st-sb-fg);
    text-decoration: none;
}
.st-result:hover,
.st-result.st-active {
    background: color-mix(in srgb, var(--st-sb-fg) 14%, transparent);
    color: var(--st-sb-fg);
    text-decoration: none;
}
.st-result.st-active { outline: 2px solid var(--rz-primary); outline-offset: -2px; }
.st-result .rzi { font-size: 1.25rem; flex: none; }
.st-result-text { display: flex; flex-direction: column; min-width: 0; }
.st-result-label { font-size: 0.9rem; line-height: 1.2; overflow-wrap: anywhere; }
.st-result-group { font-size: 0.72rem; color: var(--st-sb-fg); opacity: 0.7; }
.st-result mark {
    background: transparent;
    color: inherit;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--rz-primary);
    text-underline-offset: 2px;
}
.st-sidebar-empty {
    padding: 1.5rem 1rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--st-sb-fg);
    opacity: 0.7;
}

/* ---- Menu tree ---- */
.rz-sidebar .rz-panel-menu { padding: 0 0.5rem 1rem; }

.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper {
    border-radius: 0.6rem;
    margin-block: 1px;
    transition: background-color .15s ease;
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper:hover {
    background: color-mix(in srgb, var(--st-sb-fg) 12%, transparent);
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper:hover .rz-navigation-item-link,
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper:hover .rz-navigation-item-text {
    color: var(--st-sb-fg);
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-link {
    gap: 0.75rem;
    padding-block: 0.55rem;
    border-radius: 0.6rem;
    font-size: 0.9rem;
    background: none;          /* drop Radzen's ripple gradient for a calmer feel */
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-link:before { display: none; }
.rz-sidebar .rz-panel-menu .rz-navigation-item-icon {
    font-size: 1.3rem;
    margin: 0;
    flex: none;
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-link,
.rz-sidebar .rz-panel-menu .rz-navigation-item-text { color: var(--st-sb-fg); }
.rz-sidebar .rz-panel-menu .rz-navigation-item-text { font-weight: 500; }

/* Active page: accent bar + tinted background */
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper-active {
    position: relative;
    background: color-mix(in srgb, var(--st-sb-fg) 18%, transparent);
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper-active:after {
    content: "";
    position: absolute;
    left: 0;
    top: 22%;
    bottom: 22%;
    width: 3px;
    border-radius: 3px;
    background: var(--rz-primary);
}
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper-active .rz-navigation-item-link,
.rz-sidebar .rz-panel-menu .rz-navigation-item-wrapper-active .rz-navigation-item-text {
    color: var(--st-sb-fg);
    font-weight: 600;
}

/* Sub-menus: a guide line instead of heavy inline indentation */
.rz-sidebar .rz-panel-menu .rz-navigation-menu {
    margin-inline-start: 1.35rem;
    padding-inline-start: 0.35rem;
    border-inline-start: 1px solid color-mix(in srgb, var(--st-sb-fg) 25%, transparent);
}
.rz-sidebar .rz-panel-menu .rz-navigation-menu .rz-navigation-item {
    margin-left: 0 !important;   /* neutralise per-item inline margin-left:1.5rem */
}
.rz-sidebar .rz-panel-menu .rz-navigation-menu .rz-navigation-item-link {
    padding-block: 0.45rem;
    font-size: 0.85rem;
}
.rz-sidebar .rz-panel-menu .rz-navigation-menu .rz-navigation-item-icon { font-size: 1.15rem; }

/* Expand/collapse chevron */
.rz-sidebar .rz-panel-menu .rz-navigation-item-icon-children {
    font-size: 1.15rem;
    color: var(--st-sb-fg);
    opacity: 0.7;
    transition: transform .2s ease;
}

/* Keyboard focus */
.rz-sidebar .rz-panel-menu .rz-navigation-item:focus-visible > .rz-navigation-item-wrapper,
.rz-sidebar .rz-panel-menu .rz-navigation-item-link:focus-visible {
    outline: 2px solid var(--rz-primary);
    outline-offset: -2px;
}

@media (prefers-reduced-motion: reduce) {
    .rz-sidebar .rz-panel-menu *,
    .st-sidebar-search { transition: none !important; }
}