/* ============================================================
   SIDEBAR — redesign (eSchool design system, see DESIGN.md → "Sidebar")
   ------------------------------------------------------------
   Loaded after style.css / rtl.css (in include.blade.php) so it
   overrides the legacy sidebar rules in those bundles. All brand
   color comes from --theme-color via color-mix() tints — no
   hardcoded brand hex. Icons are Lucide <svg> (see x-icon).
   ============================================================ */

/* ---- Container -------------------------------------------- */
.sidebar {
    background: #ffffff;
    /* border-right: 1px solid rgba(27, 27, 27, 0.06); */
}

/* RTL: flip the sidebar border to the left (inline-end) side. */
[dir="rtl"] .sidebar,
.rtl .sidebar {
    border-right: 0;
    border-left: 1px solid #f0f0f0;
}

.sidebar .nav {
    /* No top padding: the sticky search pins flush at the very top so menu
       items can't peek through a gap above it (the search's own internal
       padding provides the breathing room). */
    padding: 0 0 1rem;
}

/* Slim, subtle scrollbar (native fallback + PerfectScrollbar rail) */
.sidebar .nav {
    scrollbar-width: thin;
    scrollbar-color: rgba(27, 27, 27, 0.18) transparent;
}

.sidebar .nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar .nav::-webkit-scrollbar-thumb {
    background: rgba(27, 27, 27, 0.18);
    border-radius: 6px;
}

.sidebar .nav .ps__thumb-y {
    background: rgba(27, 27, 27, 0.18);
}

/* ---- Top-level items -------------------------------------- */
.sidebar .nav .nav-item {
    padding: 0 0.75rem;
    margin-bottom: 2px;
    background: transparent;
    transition: none;
}

/* Kill the legacy full-row hover/active background — the highlight
   now lives on the .nav-link pill instead. */
.sidebar .nav .nav-item:hover,
.sidebar .nav .nav-item.active {
    background: transparent;
}

.sidebar .nav .nav-item .nav-link {
    position: relative;
    align-items: center;
    gap: 0;
    padding: 0.6rem 0.85rem;
    border-radius: 10px;
    color: #5b6677;
    font-size: 0.94rem;
    line-height: 1.2;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Icon — muted by default, theme-colored on hover/active. */
.sidebar .nav .nav-item .nav-link svg.menu-icon,
.sidebar .nav .nav-item .nav-link .menu-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin: 0 0.7rem 0 0;
    padding: 0;
    color: #8a93a3;
    transition: color 0.2s ease;
}

[dir="rtl"] .sidebar .nav .nav-item .nav-link svg.menu-icon,
.rtl .sidebar .nav .nav-item .nav-link svg.menu-icon {
    margin: 0 0 0 0.7rem;
}

.sidebar .nav .nav-item .nav-link .menu-title {
    padding: 0;
    font-size: 0.94rem;
    line-height: 1.2;
    color: inherit;
}

/* Collapse chevron — rotates down→up on expand. */
.sidebar .nav .nav-item .nav-link svg.menu-arrow,
.sidebar .nav .nav-item .nav-link .menu-arrow {
    position: absolute;
    right: 0.85rem;
    width: 16px;
    height: 16px;
    margin: 0;
    padding: 0;
    color: #aeb6c2;
    transition: transform 0.25s ease, color 0.2s ease;
}

[dir="rtl"] .sidebar .nav .nav-item .nav-link svg.menu-arrow,
.rtl .sidebar .nav .nav-item .nav-link svg.menu-arrow {
    right: auto;
    left: 0.85rem;
}

.sidebar .nav .nav-item .nav-link[aria-expanded="true"] svg.menu-arrow,
.sidebar .nav .nav-item .nav-link[aria-expanded="true"] .menu-arrow {
    transform: rotate(180deg);
    color: var(--theme-color);
}

/* Hover */
.sidebar .nav:not(.sub-menu)>.nav-item>.nav-link:hover,
.sidebar .nav:not(.sub-menu)>.nav-item:hover:not(.nav-category):not(.nav-profile)>.nav-link {
    background: color-mix(in srgb, var(--theme-color) 6%, transparent);
    color: #29323d;
}

.sidebar .nav:not(.sub-menu)>.nav-item>.nav-link:hover svg.menu-icon,
.sidebar .nav:not(.sub-menu)>.nav-item>.nav-link:hover .menu-arrow {
    color: var(--theme-color);
}

/* Active top-level item */
.sidebar .nav .nav-item.active>.nav-link {
    background: color-mix(in srgb, var(--theme-color) 12%, transparent);
    color: var(--theme-color);
    font-family: "Roboto-Medium", sans-serif;
    font-weight: 500;
}

.sidebar .nav .nav-item.active>.nav-link .menu-title {
    color: var(--theme-color);
}

.sidebar .nav .nav-item.active>.nav-link svg.menu-icon,
.sidebar .nav .nav-item.active>.nav-link .menu-icon {
    color: var(--theme-color);
}

/* Left accent bar on the active item */
.sidebar .nav .nav-item.active>.nav-link::before {
    content: "";
    position: absolute;
    left: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    border-radius: 0 3px 3px 0;
    background: var(--theme-color);
}

[dir="rtl"] .sidebar .nav .nav-item.active>.nav-link::before,
.rtl .sidebar .nav .nav-item.active>.nav-link::before {
    left: auto;
    right: -0.75rem;
    border-radius: 3px 0 0 3px;
}

/* ---- Sub-menu --------------------------------------------- */
.sidebar .nav.sub-menu {
    position: relative;
    margin: 0.15rem 0 0.4rem;
    padding: 0;
}

.sidebar .nav.sub-menu .nav-item {
    padding: 0 0.75rem;
    margin-bottom: 1px;
}

.sidebar .nav.sub-menu .nav-item .nav-link {
    position: relative;
    padding: 0.5rem 0.75rem 0.5rem 1.6rem;
    border-radius: 8px;
    color: #8a93a3;
    font-size: 0.875rem;
    line-height: 1.3;
}

[dir="rtl"] .sidebar .nav.sub-menu .nav-item .nav-link,
.rtl .sidebar .nav.sub-menu .nav-item .nav-link {
    padding: 0.5rem 1.6rem 0.5rem 0.75rem;
}

/* Small bullet marker before each sub-item label. */
.sidebar .nav.sub-menu .nav-item .nav-link::before {
    content: "";
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(27, 27, 27, 0.22);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

[dir="rtl"] .sidebar .nav.sub-menu .nav-item .nav-link::before,
.rtl .sidebar .nav.sub-menu .nav-item .nav-link::before {
    left: auto;
    right: 0.85rem;
}

.sidebar .nav.sub-menu .nav-item .nav-link:hover {
    background: color-mix(in srgb, var(--theme-color) 5%, transparent);
    color: #29323d;
}

.sidebar .nav.sub-menu .nav-item .nav-link:hover::before {
    background: var(--theme-color);
}

.sidebar .nav.sub-menu .nav-item:hover {
    background: transparent;
}

.sidebar .nav.sub-menu .nav-item .nav-link.active {
    background: color-mix(in srgb, var(--theme-color) 10%, transparent);
    color: var(--theme-color);
    font-weight: 500;
}

.sidebar .nav.sub-menu .nav-item .nav-link.active::before {
    background: var(--theme-color);
    transform: translateY(-50%) scale(1.15);
}

/* ---- Expand / collapse motion ----
   Bootstrap animates the wrapper height (.collapsing). We refine the easing
   and fade the items in/out in step with it. Items are hidden while the
   height is animating, then fade + slide once the menu is fully open — so
   there's no flash of full-opacity content during the height tween. */
.sidebar .nav .nav-item .collapsing {
    transition: height 0.24s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.sidebar .nav .nav-item .collapse .sub-menu>.nav-item,
.sidebar .nav .nav-item .collapsing .sub-menu>.nav-item {
    opacity: 0;
    transform: translateX(-3px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

[dir="rtl"] .sidebar .nav .nav-item .collapse .sub-menu>.nav-item,
[dir="rtl"] .sidebar .nav .nav-item .collapsing .sub-menu>.nav-item,
.rtl .sidebar .nav .nav-item .collapse .sub-menu>.nav-item,
.rtl .sidebar .nav .nav-item .collapsing .sub-menu>.nav-item {
    transform: translateX(3px);
}

.sidebar .nav .nav-item .collapse.show .sub-menu>.nav-item {
    opacity: 1;
    transform: translateX(0);
}

@media (prefers-reduced-motion: reduce) {

    .sidebar .nav .nav-item .collapse .sub-menu>.nav-item,
    .sidebar .nav .nav-item .collapsing .sub-menu>.nav-item {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ============================================================
   SIDEBAR NAV SEARCH (moved out of the Blade partial)
   ============================================================ */
.sidebar .nav .nav-item.sidebar-search-item {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 20;
    /* Solid white so menu items scrolling up are hidden behind it. Needs this
       specificity to beat the `.sidebar .nav .nav-item { background: transparent }`
       rule, which was leaving the search bar see-through. */
    background: #ffffff;
    padding: 12px 0.75rem 8px !important;
    margin-bottom: 0;
}

/* White → transparent fade just below the search bar, shown only once the nav
   is scrolled (sidebar.js toggles .is-stuck). Items disappear smoothly behind
   the bar instead of hard-cutting. Replaces the old border line. */
.sidebar .nav .nav-item.sidebar-search-item::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 18px;
    background: linear-gradient(to bottom, #ffffff 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.sidebar .nav .nav-item.sidebar-search-item.is-stuck::after {
    opacity: 1;
}

.sidebar-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.sidebar-search-input {
    width: 100%;
    border: 1px solid #e6e6ec;
    border-radius: 10px;
    background: #fcfcfd;
    color: #3e4b5b;
    font-size: 0.9rem;
    line-height: 1.2;
    padding: 0.6rem 2.2rem 0.6rem 2.4rem;
    outline: none;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, background-color 0.15s ease-in-out;
}

.sidebar-search-input::placeholder {
    color: #a7a2ad;
}

.sidebar-search-input:focus {
    border-color: var(--theme-color);
    background: #ffffff;
    box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--theme-color) 25%, transparent);
}

.sidebar-search-icon {
    position: absolute;
    left: 0.85rem;
    width: 16px;
    height: 16px;
    color: #a7a2ad;
    pointer-events: none;
}

.sidebar-search-clear {
    position: absolute;
    right: 0.55rem;
    display: none;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: #9a8fa0;
    cursor: pointer;
    line-height: 1;
}

.sidebar-search-clear svg {
    width: 14px;
    height: 14px;
}

.sidebar-search-clear:hover {
    color: var(--theme-color);
    background: rgba(0, 0, 0, 0.05);
}

.sidebar-search-no-results {
    display: none;
    padding: 12px 4px 2px;
    font-size: 0.85rem;
    color: #9a8fa0;
    text-align: center;
}

.sidebar .nav .nav-item.sidebar-search-hidden,
.sidebar .nav .sub-menu .nav-item.sidebar-search-hidden {
    display: none !important;
}

/* RTL mirroring for the search field */
[dir="rtl"] .sidebar-search-input,
.rtl .sidebar-search-input {
    padding: 0.6rem 2.4rem 0.6rem 2.2rem;
}

[dir="rtl"] .sidebar-search-icon,
.rtl .sidebar-search-icon {
    left: auto;
    right: 0.85rem;
}

[dir="rtl"] .sidebar-search-clear,
.rtl .sidebar-search-clear {
    right: auto;
    left: 0.55rem;
}

/* ============================================================
   MOBILE HEADER CONTROLS (inside the off-canvas sidebar)
   Tight top: the close (X) sits inline with the session-year
   select, so there's no empty header band above them.
   ============================================================ */
.sidebar-mobile-header {
    padding: 0.4rem 0.75rem 0.4rem !important;
    margin-left: 0;
    margin-bottom: 0.25rem;
}

.sidebar-mobile-controls {
    padding: 0 !important;
    gap: 0.5rem;
}

/* Session select + close (X) share one row. */
.sidebar-mobile-top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-mobile-session {
    flex: 1 1 auto;
    min-width: 0;
}

.sidebar-close-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: rgba(27, 27, 27, 0.04);
    color: #5b6677;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sidebar-close-btn:hover {
    background: color-mix(in srgb, var(--theme-color) 10%, transparent);
    color: var(--theme-color);
}

/* ============================================================
   RESPONSIVE — mobile off-canvas drawer (≤991px)
   Overlay drawer that slides in from the inline-start (left in
   LTR, right in RTL) with a dimmed backdrop. Transform-based, so
   it hides fully regardless of width (fixes the legacy 20px peek
   from `right: -260px` on a 280px-wide sidebar).
   ============================================================ */
@media (max-width: 991px) {
    .sidebar.sidebar-offcanvas {
        position: fixed;
        top: 70px;
        bottom: 0;
        left: 0;
        right: auto;
        width: 280px;
        max-width: 86vw;
        z-index: 1041;
        border-right: 1px solid rgba(27, 27, 27, 0.06);
        border-left: 0;
        box-shadow: 0 12px 32px rgba(16, 24, 40, 0.18);
        transform: translateX(-100%);
        transition: transform 0.28s ease;
        overflow-y: auto;
        will-change: transform;
    }

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

    [dir="rtl"] .sidebar.sidebar-offcanvas,
    .rtl .sidebar.sidebar-offcanvas {
        left: auto;
        right: 0;
        border-right: 0;
        border-left: 1px solid rgba(27, 27, 27, 0.06);
        transform: translateX(100%);
    }

    [dir="rtl"] .sidebar.sidebar-offcanvas.active,
    .rtl .sidebar.sidebar-offcanvas.active {
        transform: translateX(0);
    }

    /* Dimmed backdrop behind the drawer (created by sidebar.js) */
    .sidebar-backdrop {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(16, 24, 40, 0.45);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.28s ease, visibility 0.28s ease;
        z-index: 1040;
    }

    .sidebar-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

    /* Lock background scroll while the drawer is open */
    body.sidebar-offcanvas-open {
        overflow: hidden;
    }
}

@media (min-width: 992px) {
    .sidebar-backdrop {
        display: none !important;
    }
}

/* ---- Mobile rhythm & touch targets (≤991px) ----
   Roomier rows so taps land comfortably (~44px) inside the drawer. */
@media (max-width: 991px) {
    .sidebar .nav .nav-item .nav-link {
        padding: 0.8rem 0.85rem;
        font-size: 0.98rem;
    }

    .sidebar .nav.sub-menu .nav-item .nav-link {
        padding: 0.7rem 0.75rem 0.7rem 1.6rem;
        font-size: 0.92rem;
    }

    [dir="rtl"] .sidebar .nav.sub-menu .nav-item .nav-link,
    .rtl .sidebar .nav.sub-menu .nav-item .nav-link {
        padding: 0.7rem 1.6rem 0.7rem 0.75rem;
    }

    .sidebar .nav .nav-item .nav-link svg.menu-arrow,
    .sidebar .nav .nav-item .nav-link .menu-arrow {
        width: 18px;
        height: 18px;
    }

    .sidebar-search-input {
        padding-top: 0.7rem;
        padding-bottom: 0.7rem;
    }
}

/* ============================================================
   COLLAPSED MODES — keep the Lucide <svg> icons behaving like
   the legacy <i> icons did (style.css targeted i.menu-icon).
   ============================================================ */
@media (min-width: 992px) {

    /* Compact (sidebar-mini): icon above title, centered. */
    .sidebar-mini .sidebar .nav .nav-item .nav-link svg.menu-icon {
        display: block;
        margin: 0 auto 0.4rem;
    }

    .sidebar-mini .sidebar .nav .nav-item .nav-link svg.menu-arrow {
        position: absolute;
        top: 50%;
        right: 10px;
        transform: translateY(-50%);
        margin: 0;
    }

    .sidebar-mini .sidebar .nav .nav-item .nav-link[aria-expanded="true"] svg.menu-arrow {
        transform: translateY(-50%) rotate(180deg);
    }

    /* Icon-only: hide titles + chevrons, center the icon. */
    .sidebar-icon-only .sidebar .nav .nav-item .nav-link {
        padding: 0.7rem 0;
    }

    .sidebar-icon-only .sidebar .nav .nav-item .nav-link svg.menu-icon,
    .sidebar-icon-only .sidebar .nav .nav-item .nav-link .menu-icon {
        display: block;
        margin: 0 auto;
    }

    .sidebar-icon-only .sidebar .nav .nav-item .nav-link svg.menu-arrow,
    .sidebar-icon-only .sidebar .nav .nav-item .nav-link .menu-arrow {
        display: none;
    }

    /* The active accent bar is meaningless in icon-only width. */
    .sidebar-icon-only .sidebar .nav .nav-item.active>.nav-link::before {
        display: none;
    }

    /* No room for the search box when collapsed to icons only. */
    .sidebar-icon-only .sidebar .nav .nav-item.sidebar-search-item {
        display: none;
    }
}