/**
 * SMS 2 – Layout Styles
 * Navbar · Sidebar · Content · Footer
 */

/* ============================================================
   Navbar
   ============================================================ */
.sms-navbar {
    background: var(--sms-navbar-bg) !important;
    height: var(--sms-navbar-height);
    z-index: 1030;
    box-shadow: var(--sms-navbar-shadow);
    border-bottom: 1px solid var(--sms-navbar-border);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
}

/* 3-column layout: left | center | right */
.navbar-inner {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    padding: 0 1rem;
    gap: 0;
}

.navbar-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 160px;
}

.navbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 500px;
    padding: 0 0.75rem;
    z-index: 10;
}

.navbar-search {
    position: relative;
    width: 100%;
}

.navbar-right {
    margin-left: auto;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 20;
    gap: 0.55rem;
}

.sms-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
    color: #fff !important;
    text-decoration: none;
}
.sms-navbar .navbar-brand i { font-size: 1.1rem; opacity: 0.95; }

.sms-navbar .btn-link {
    text-decoration: none;
    color: rgba(255,255,255,0.82) !important;
    transition: color 0.18s;
}
.sms-navbar .btn-link:hover { color: #fff !important; }

/* PH clock — always readable on dark navbar (light + dark theme) */
.sms-navbar .navbar-ph-clock {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff;
}

.sms-navbar .nav-link,
.sms-navbar .dropdown-toggle {
    color: rgba(255,255,255,0.85) !important;
    font-size: 0.875rem;
    font-weight: 500;
}
.sms-navbar .nav-link:hover,
.sms-navbar .dropdown-toggle:hover { color: #fff !important; }

/* Notification bell */
.sms-navbar .notification-badge {
    font-size: 0.56rem;
    font-weight: 700;
    padding: 0.2em 0.42em;
    min-width: 16px;
    line-height: 1;
    border: 2px solid #1e3a8a;
    box-shadow: 0 2px 6px rgba(0,0,0,0.28);
}

/* Messages dropdown */
.navbar-msg-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sms-primary), var(--sms-accent));
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.navbar-msg-body { flex: 1; min-width: 0; }
.navbar-msg-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sms-heading);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.navbar-msg-text {
    font-size: 0.76rem;
    color: var(--sms-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.navbar-msg-time {
    font-size: 0.68rem;
    color: var(--sms-text-faint);
    margin-top: 0.1rem;
}

/* Navbar Dropdown */
.sms-navbar .dropdown-menu {
    border: 1px solid var(--sms-dropdown-border);
    border-radius: 12px;
    background: var(--sms-dropdown-bg);
    box-shadow: var(--sms-dropdown-shadow);
    backdrop-filter: var(--sms-glass-blur);
    -webkit-backdrop-filter: var(--sms-glass-blur);
    padding: 0.4rem 0;
    min-width: 180px;
}
.sms-navbar .dropdown-item {
    font-size: 0.85rem;
    padding: 0.55rem 1rem;
    color: var(--sms-text);
    transition: background 0.15s;
}
.sms-navbar .dropdown-item:hover { background: var(--sms-dropdown-hover); color: var(--sms-primary); }

/* ============================================================
   Sidebar Shell
   ============================================================ */
.sms-sidebar {
    position: fixed;
    top: var(--sms-navbar-height);
    left: 0;
    width: var(--sms-sidebar-width);
    height: calc(var(--vh,1vh)*100 - var(--sms-navbar-height));
    background: var(--sms-sidebar-bg);
    border-right: 1px solid var(--sms-sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1020;
    transition: width 0.28s cubic-bezier(0.4,0,0.2,1),
                transform 0.3s cubic-bezier(0.4,0,0.2,1),
                background 0.22s ease, border-color 0.22s ease;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--sms-sidebar-text) 28%, transparent) transparent;
    box-shadow: 2px 0 18px rgba(10,20,70,0.10);
    /* Beat Bootstrap .nav-link theme colors so labels stay readable */
    --bs-nav-link-color: var(--sms-sidebar-text-muted);
    --bs-nav-link-hover-color: var(--sms-sidebar-text);
    color: var(--sms-sidebar-text);
}
.sms-sidebar::-webkit-scrollbar { width: 3px; }
.sms-sidebar::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--sms-sidebar-text) 28%, transparent);
    border-radius: 3px;
}
.sms-sidebar::-webkit-scrollbar-track { background: transparent; }

/* Brand header (desktop) */
.sidebar-header {
    padding: 0.9rem 1.1rem 0.7rem;
    border-bottom: 1px solid var(--sms-sidebar-border);
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sidebar-header i   { font-size: 1.05rem; color: var(--sms-sidebar-icon); }
.sidebar-header span { font-size: 0.9rem; font-weight: 700; color: var(--sms-sidebar-text); letter-spacing: 0.01em; }

/* ============================================================
   Sidebar Navigation — clear, clickable module buttons
   ============================================================ */
.sidebar-nav {
    padding: 0.45rem 0.6rem 1.1rem;
}
.sidebar-nav ul { list-style: none; margin: 0; padding: 0; }

.sidebar-nav > ul > .nav-item {
    margin-bottom: 0.18rem;
}

/* Top-level links */
.sidebar-nav > ul > .nav-item > .nav-link {
    color: var(--sms-sidebar-text) !important;
    padding: 0.76rem 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-left: none;
    border-radius: 11px;
    transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
    text-decoration: none;
    line-height: 1.35;
    cursor: pointer;
    min-height: 46px;
}
.sidebar-nav > ul > .nav-item > .nav-link:hover {
    color: var(--sms-sidebar-text) !important;
    background: var(--sms-sidebar-hover);
}
.sidebar-nav > ul > .nav-item > .nav-link.active {
    color: var(--sms-sidebar-text) !important;
    background: var(--sms-sidebar-active);
    font-weight: 700;
    box-shadow: inset 3px 0 0 var(--sms-sidebar-active-accent);
}

/* Icon */
.sidebar-nav > ul > .nav-item > .nav-link > i:first-child {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-top: 0;
    opacity: 1;
    color: var(--sms-sidebar-icon) !important;
}
.sidebar-nav > ul > .nav-item > .nav-link:hover > i:first-child,
.sidebar-nav > ul > .nav-item > .nav-link.active > i:first-child {
    opacity: 1;
    color: var(--sms-sidebar-active-accent) !important;
}

/* Label */
.sidebar-nav > ul > .nav-item > .nav-link > span {
    flex: 1;
    min-width: 0;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.35;
    color: inherit !important;
}

/* CRAD Officer branded sidebar — Student Services style */
.crad-officer-sidebar {
    --crad-side-bg: #163a7a;
    --crad-side-title: #c7d2fe;
    --crad-side-sub: rgba(226, 232, 240, 0.78);
    --crad-side-text: #ffffff;
    --crad-side-hover: rgba(255, 255, 255, 0.08);
    --crad-side-active: rgba(255, 255, 255, 0.14);
    background: var(--crad-side-bg) !important;
    box-shadow: 4px 0 24px rgba(8, 24, 64, 0.28);
}
.crad-officer-sidebar .crad-sidebar-nav {
    padding: 1rem 0.85rem 1.4rem;
}
.crad-officer-sidebar .crad-sidebar-nav > ul > .nav-item {
    margin-bottom: 0.2rem;
}
.crad-officer-sidebar .crad-sidebar-brand {
    margin: 0 0 0.85rem;
    pointer-events: none;
}
.crad-officer-sidebar .crad-sidebar-brand-inner {
    padding: 0.15rem 0.7rem 0.35rem;
}
.crad-officer-sidebar .crad-sidebar-brand-inner strong {
    display: block;
    color: var(--crad-side-title);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1.25;
}
.crad-officer-sidebar .crad-sidebar-brand-inner span {
    display: block;
    margin-top: 0.35rem;
    color: var(--crad-side-sub);
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.35;
}
.crad-officer-sidebar .crad-sidebar-link {
    display: flex !important;
    align-items: center;
    gap: 0.85rem !important;
    min-height: 46px;
    padding: 0.78rem 0.85rem !important;
    border-radius: 10px !important;
    color: var(--crad-side-text) !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
    background: transparent !important;
}
.crad-officer-sidebar .crad-sidebar-link > i:first-child {
    width: 1.25rem;
    flex: 0 0 auto;
    color: #fff;
    font-size: 0.95rem;
    opacity: 0.95 !important;
    text-align: center;
}
.crad-officer-sidebar .crad-sidebar-link > span {
    flex: 1 1 auto;
    min-width: 0;
    color: #fff;
    white-space: normal;
}
.crad-officer-sidebar .crad-sidebar-chevron {
    margin-left: auto;
    flex: 0 0 auto;
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.55);
}
.crad-officer-sidebar .crad-sidebar-link:hover,
.crad-officer-sidebar .crad-sidebar-link.active {
    background: var(--crad-side-hover) !important;
    color: #fff !important;
}
.crad-officer-sidebar .crad-sidebar-link.active {
    background: var(--crad-side-active) !important;
    font-weight: 700 !important;
}
.crad-officer-sidebar .crad-sidebar-submenu {
    margin: 0.15rem 0 0.45rem 0.35rem;
    padding-left: 0.35rem;
    border-left: 1px solid rgba(255,255,255,0.14);
}
.crad-officer-sidebar .crad-sidebar-submenu .sidebar-sub {
    color: rgba(255,255,255,0.82) !important;
}
.crad-officer-sidebar .crad-sidebar-submenu .sidebar-sub.active,
.crad-officer-sidebar .crad-sidebar-submenu .sidebar-sub:hover {
    color: #fff !important;
    background: rgba(255,255,255,0.1) !important;
}
body.sidebar-collapsed .crad-officer-sidebar .crad-sidebar-brand,
body.sidebar-collapsed .crad-officer-sidebar .crad-sidebar-chevron,
body.sidebar-collapsed .crad-officer-sidebar .crad-sidebar-submenu {
    display: none !important;
}
body.sidebar-collapsed .crad-officer-sidebar .crad-sidebar-link > span {
    display: none !important;
}
body.sidebar-collapsed .crad-officer-sidebar .crad-sidebar-link {
    justify-content: center !important;
}

/* Chevron */
.sidebar-chevron {
    font-size: 0.62rem;
    margin-top: 0;
    flex-shrink: 0;
    opacity: 0.7;
    color: var(--sms-sidebar-text-muted) !important;
    transition: transform 0.25s ease, opacity 0.2s ease;
}
.sidebar-nav .sidebar-parent[aria-expanded="true"] .sidebar-chevron {
    transform: rotate(180deg);
    opacity: 1;
    color: var(--sms-sidebar-icon) !important;
}

/* ============================================================
   Submenu — same clean button treatment for every module page
   ============================================================ */
.sidebar-submenu {
    background: transparent;
    padding: 0.15rem 0 0.5rem;
    margin-left: 0.35rem;
    border-left: 2px solid var(--sms-sidebar-border);
}
.sidebar-submenu .nav-link {
    color: var(--sms-sidebar-text-muted) !important;
    padding: 0.6rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.82rem;
    font-weight: 500;
    border-left: none;
    border-radius: 10px;
    text-decoration: none;
    transition: background 0.18s ease, color 0.18s ease;
    line-height: 1.4;
    min-height: 40px;
}
.sidebar-submenu .nav-link i {
    width: 16px;
    text-align: center;
    font-size: 0.75rem !important;
    flex-shrink: 0;
    margin-top: 0 !important;
    opacity: 1;
    color: var(--sms-sidebar-icon) !important;
}
.sidebar-submenu .nav-link span {
    flex: 1;
    min-width: 0;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
    color: inherit !important;
}
.sidebar-submenu .nav-link:hover {
    color: var(--sms-sidebar-text) !important;
    background: var(--sms-sidebar-hover);
}
.sidebar-submenu .nav-link:hover i { opacity: 1; }
.sidebar-submenu .nav-link.active {
    color: var(--sms-sidebar-text) !important;
    background: var(--sms-sidebar-active);
    font-weight: 700;
    border-left-color: transparent;
}
.sidebar-submenu .nav-link.active i {
    opacity: 1;
    color: var(--sms-sidebar-active-accent) !important;
}
.sidebar-submenu .overview-link {
    padding-left: 0.85rem;
    font-weight: 600;
    font-size: 0.82rem;
    border-bottom: none;
    margin-bottom: 0.2rem;
    color: var(--sms-sidebar-text-muted) !important;
}
.sidebar-submenu .overview-link i { font-size: 0.78rem !important; }
.sidebar-submenu .overview-link:hover { color: var(--sms-sidebar-text) !important; }
.sidebar-submenu .overview-link.active {
    color: var(--sms-sidebar-text) !important;
    background: var(--sms-sidebar-active);
}

/* Sidebar group headings — blue uppercase section labels */
.sidebar-group-label {
    margin-top: 24px;
    margin-bottom: 4px;
}
.sidebar-group-label:first-child {
    margin-top: 8px;
}
/* Spacing between submenu items */
.sidebar-submenu .nav-item {
    margin-bottom: 6px;
}
.sidebar-group-heading {
    display: flex !important;
    align-items: center;
    padding: 0.3rem 0.85rem 0.15rem !important;
    font-size: 0.78rem !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: var(--sms-primary, #1e40af) !important;
    cursor: default !important;
    pointer-events: none !important;
    min-height: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    border: none !important;
    line-height: 1.3 !important;
    opacity: 1;
    /* Reset any inherited nav-item margin on the heading itself */
    margin-bottom: 0 !important;
}

[data-theme="dark"] .sidebar-group-heading {
    color: #60a5fa !important;
    opacity: 0.9;
}

/* Research Director sidebar: compact pre-oral defense menu */
.research-director-sidebar {
    --sms-sidebar-bg: #edf2fa;
    --sms-sidebar-hover: #e6ebf5;
    --sms-sidebar-active: #d1daf0;
    --sms-sidebar-border: #d7e0ee;
    --sms-sidebar-text: #111827;
    --sms-sidebar-text-muted: #111827;
    --sms-sidebar-icon: #224fc0;
    --sms-sidebar-active-accent: #244fc0;
    box-shadow: 4px 0 18px rgba(15, 33, 88, 0.12);
}
.research-director-sidebar .sidebar-nav {
    padding: 1rem 0.55rem 1.25rem;
}
.research-director-sidebar .sidebar-group-label {
    margin-top: 1.35rem;
    margin-bottom: 0.35rem;
}
.research-director-sidebar .sidebar-group-label:first-child {
    margin-top: 0;
}
.research-director-sidebar .sidebar-group-heading {
    padding: 0.35rem 0.85rem 0.2rem !important;
    color: #111827 !important;
    font-size: 0.76rem !important;
    font-weight: 800 !important;
    letter-spacing: 0.09em !important;
}
.research-director-sidebar .sidebar-nav > ul > .nav-item {
    margin-bottom: 0.18rem;
}
.research-director-sidebar .sidebar-nav > ul > .nav-item > .nav-link {
    min-height: 46px;
    padding: 0.74rem 0.85rem;
    border-radius: 9px;
    color: #111827 !important;
    font-size: 0.88rem;
    font-weight: 700;
    gap: 0.72rem;
}
.research-director-sidebar .sidebar-nav > ul > .nav-item > .nav-link:hover {
    background: #e5ebf6;
    color: #111827 !important;
}
.research-director-sidebar .sidebar-nav > ul > .nav-item > .nav-link.active {
    background: #d1daf0;
    color: #111827 !important;
    box-shadow: inset 3px 0 0 #244fc0;
}
.research-director-sidebar .sidebar-nav > ul > .nav-item > .nav-link > i:first-child {
    width: 20px;
    color: #244fc0 !important;
}
/* ============================================================
   Wrapper & Content
   ============================================================ */
.sms-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: calc(var(--vh,1vh)*100);
    padding-top: var(--sms-navbar-height);
    overflow-x: hidden;
    width: 100%;
}
.sms-content {
    margin-left: var(--sms-sidebar-width);
    width: calc(100% - var(--sms-sidebar-width));
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s cubic-bezier(0.4,0,0.2,1),
                width      0.3s cubic-bezier(0.4,0,0.2,1);
    min-height: calc(100vh - var(--sms-navbar-height));
    overflow-x: hidden;
    background: transparent;
}
.sms-main {
    flex: 1;
    padding: 1.6rem 1.75rem;
    min-width: 0;
    width: 100%;
}

/* ============================================================
   Footer
   ============================================================ */
.sms-footer {
    background: var(--sms-surface);
    border-top: 1px solid var(--sms-glass-border);
    padding: 0.85rem 1.75rem;
    color: var(--sms-text-faint);
    font-size: 0.79rem;
    backdrop-filter: var(--sms-glass-blur);
    -webkit-backdrop-filter: var(--sms-glass-blur);
}
.sms-footer a { color: var(--sms-primary); text-decoration: none; }
.sms-footer a:hover { text-decoration: underline; }

/* ============================================================
   Sidebar Overlay (mobile)
   ============================================================ */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--sms-navbar-height);
    left: 0; right: 0; bottom: 0;
    background: rgba(10,20,60,0.52);
    z-index: 1015;
    backdrop-filter: blur(2px);
}
.sidebar-overlay.show { display: block; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 991.98px) {
    .sms-sidebar { transform: translateX(-100%); box-shadow: none; width: var(--sms-sidebar-width) !important; }
    .sms-sidebar.show { transform: translateX(0); box-shadow: 6px 0 32px rgba(10,20,60,0.28); }
    .sms-content { margin-left: 0; width: 100%; }
    body.sidebar-collapsed .sms-sidebar { width: var(--sms-sidebar-width); }
    body.sidebar-collapsed .sms-content { margin-left: 0; width: 100%; }
}

/* ============================================================
   Collapsed icon rail (desktop)
   ============================================================ */
@media (min-width: 992px) {
    body.sidebar-collapsed .sms-sidebar {
        width: var(--sms-sidebar-collapsed-width);
        transform: none;
        overflow-x: visible;
    }
    body.sidebar-collapsed .sms-content {
        margin-left: var(--sms-sidebar-collapsed-width);
        width: calc(100% - var(--sms-sidebar-collapsed-width));
    }

    body.sidebar-collapsed .sidebar-header {
        justify-content: center;
        padding: 0.95rem 0.5rem 0.75rem;
        gap: 0;
    }
    body.sidebar-collapsed .sidebar-header span { display: none; }
    body.sidebar-collapsed .sidebar-header i {
        margin: 0 !important;
        font-size: 1.2rem;
    }

    /* Keep every collapsed sidebar variant icon-only, including nested module links. */
    body.sidebar-collapsed .sidebar-nav > ul > .sidebar-group-label {
        display: none !important;
    }
    body.sidebar-collapsed .sidebar-nav .sidebar-sub > span,
    body.sidebar-collapsed .sidebar-nav .sidebar-sub .sidebar-chevron {
        display: none !important;
    }

    body.sidebar-collapsed .sidebar-nav {
        padding: 0.35rem 0.45rem 1rem;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item {
        margin-bottom: 0.2rem;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link {
        justify-content: center;
        align-items: center;
        padding: 0.72rem 0.4rem;
        gap: 0;
        border-left: none;
        border-radius: 12px;
        min-height: 46px;
        position: relative;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link > span,
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link .sidebar-chevron {
        display: none !important;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link > i:first-child {
        width: auto;
        margin: 0;
        font-size: 1.05rem;
        opacity: 0.9;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link:hover,
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link.active {
        background: var(--sms-sidebar-active);
        border-left-color: transparent;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link.active {
        box-shadow: inset 0 0 0 1px rgba(96,165,250,0.35);
    }

    /* Super Admin / Admin rail: keep only the navigation icons visible. */
    body.sidebar-collapsed .admin-sidebar .sidebar-group-label,
    body.sidebar-collapsed .admin-sidebar .sidebar-sub > span,
    body.sidebar-collapsed .admin-sidebar .sidebar-sub .sidebar-chevron {
        display: none !important;
    }

    body.sidebar-collapsed .admin-sidebar .sidebar-nav > ul > .nav-item > .sidebar-sub {
        justify-content: center;
        align-items: center;
        gap: 0;
        padding-left: 0.4rem;
        padding-right: 0.4rem;
        min-height: 46px;
    }

    body.sidebar-collapsed .admin-sidebar .sidebar-sub > i:first-child {
        width: auto;
        margin: 0 !important;
        font-size: 1.05rem;
    }

    body.sidebar-collapsed .admin-sidebar .sidebar-sub[data-title]::after {
        content: attr(data-title);
        position: absolute;
        left: calc(100% + 10px);
        top: 50%;
        transform: translateY(-50%);
        background: rgba(15, 23, 42, 0.96);
        color: #f8fafc;
        font-size: 0.75rem;
        font-weight: 600;
        white-space: nowrap;
        padding: 0.4rem 0.65rem;
        border-radius: 8px;
        border: 1px solid rgba(255,255,255,0.08);
        box-shadow: 0 8px 24px rgba(0,0,0,0.35);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.15s ease, visibility 0.15s ease;
        z-index: 1080;
    }

    body.sidebar-collapsed .admin-sidebar .sidebar-sub[data-title]:hover::after,
    body.sidebar-collapsed .admin-sidebar .sidebar-sub[data-title]:focus-visible::after {
        opacity: 1;
        visibility: visible;
    }

    /* Hide expanded submenus while collapsed — icons stay one-click */
    body.sidebar-collapsed .sidebar-nav .collapse {
        display: none !important;
    }

    /* Tooltip label on hover */
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link[data-title]::after {
        content: attr(data-title);
        position: absolute;
        left: calc(100% + 10px);
        top: 50%;
        transform: translateY(-50%);
        background: rgba(15, 23, 42, 0.96);
        color: #f8fafc;
        font-size: 0.75rem;
        font-weight: 600;
        white-space: nowrap;
        padding: 0.4rem 0.65rem;
        border-radius: 8px;
        border: 1px solid rgba(255,255,255,0.08);
        box-shadow: 0 8px 24px rgba(0,0,0,0.35);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.15s ease, visibility 0.15s ease;
        z-index: 1080;
    }
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link:hover::after,
    body.sidebar-collapsed .sidebar-nav > ul > .nav-item > .nav-link:focus-visible::after {
        opacity: 1;
        visibility: visible;
    }
}

/* ============================================================
   Global Search Bar (Navbar)
   ============================================================ */
.navbar-search-wrapper {
    flex: 1 1 auto;
}

.navbar-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255,255,255,0.5);
    font-size: 0.78rem;
    pointer-events: none;
    z-index: 2;
    transition: color 0.18s ease;
}

.navbar-search-input {
    width: 100%;
    height: 36px;
    padding: 0 2.2rem 0 2.1rem;
    background: rgba(255,255,255,0.10) !important;
    border: 1.5px solid rgba(255,255,255,0.15) !important;
    border-radius: 8px !important;
    color: #fff !important;
    font-size: 0.82rem;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    box-shadow: none !important;
}

.navbar-search-input::placeholder {
    color: rgba(255,255,255,0.45);
}

.navbar-search-input:focus {
    background: rgba(255,255,255,0.18) !important;
    border-color: rgba(255,255,255,0.55) !important;
    box-shadow: 0 0 0 3px rgba(96,165,250,0.25) !important;
    color: #fff !important;
}

.navbar-search-input.has-results {
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    border-bottom-color: transparent !important;
}

.navbar-search-input:focus + .navbar-search-clear,
.navbar-search-input:focus ~ .navbar-search-icon {
    color: rgba(255,255,255,0.75);
}

.navbar-search-clear {
    position: absolute;
    right: 0.55rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 0.72rem;
    padding: 0.2rem 0.3rem;
    cursor: pointer;
    z-index: 2;
    line-height: 1;
    transition: color 0.15s;
}

.navbar-search-clear:hover { color: #fff; }

/* Dropdown */
.navbar-search-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    max-width: 90vw;
    background: var(--sms-dropdown-bg);
    border: 1px solid var(--sms-dropdown-border);
    border-radius: 12px;
    box-shadow: var(--sms-dropdown-shadow);
    backdrop-filter: var(--sms-glass-blur);
    -webkit-backdrop-filter: var(--sms-glass-blur);
    z-index: 1060;
    overflow: hidden;
    max-height: 440px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--sms-text-faint) transparent;
}

.navbar-search-dropdown.open {
    display: block;
    animation: searchDropIn 0.15s ease;
}

@keyframes searchDropIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-6px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Empty state */
.search-empty {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    color: var(--sms-text-faint);
    gap: 0.5rem;
    font-size: 0.83rem;
}

.search-empty i { font-size: 1.4rem; opacity: 0.5; }
.search-empty.visible { display: flex; }

/* Results list */
.search-results-list {
    list-style: none;
    margin: 0;
    padding: 0.35rem 0;
}

/* Group label */
.search-group-label {
    padding: 0.55rem 1rem 0.25rem;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sms-text-faint);
    border-top: 1px solid var(--sms-border-soft);
}

.search-group-label:first-child { border-top: none; }

/* Result item */
.search-result-item {
    list-style: none;
}

.search-result-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 1rem;
    text-decoration: none;
    color: var(--sms-text);
    transition: background 0.13s ease;
    cursor: pointer;
}

.search-result-link:hover,
.search-result-link.keyboard-active {
    background: var(--sms-dropdown-hover);
    color: var(--sms-primary);
    text-decoration: none;
}

.search-result-link:hover .search-result-icon,
.search-result-link.keyboard-active .search-result-icon {
    background: var(--sms-primary);
    color: #fff;
}

.search-result-icon {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    background: var(--sms-surface-muted);
    color: var(--sms-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    flex-shrink: 0;
    transition: background 0.13s ease, color 0.13s ease;
}

.search-result-text { flex: 1; min-width: 0; }

.search-result-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sms-heading);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    line-height: 1.3;
}

.search-result-link:hover .search-result-title,
.search-result-link.keyboard-active .search-result-title {
    color: var(--sms-primary);
}

.search-result-meta {
    font-size: 0.72rem;
    color: var(--sms-text-faint);
    display: block;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-badge {
    font-size: 0.62rem;
    font-weight: 600;
    padding: 0.18em 0.5em;
    border-radius: 4px;
    flex-shrink: 0;
    letter-spacing: 0.03em;
}

.search-result-badge.module {
    background: var(--sms-placeholder-bg);
    color: var(--sms-primary);
}

.search-result-badge.page {
    background: var(--sms-surface-muted);
    color: var(--sms-text-muted);
}

/* highlight matched text */
.search-highlight {
    background: var(--sms-highlight);
    color: var(--sms-heading);
    border-radius: 2px;
    padding: 0 1px;
}

/* Keyboard shortcut hint inside input */
.search-kbd-hint {
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 0.2rem;
    pointer-events: none;
    z-index: 2;
}

.search-kbd-hint kbd {
    font-size: 0.6rem;
    padding: 0.1em 0.35em;
    border-radius: 4px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.55);
    font-family: inherit;
    line-height: 1.4;
}

/* Hide hint when input has value or is focused */
.navbar-search-input:focus ~ .search-kbd-hint,
.navbar-search-input:not(:placeholder-shown) ~ .search-kbd-hint {
    display: none;
}

/* Responsive — hide search on very small screens, adjust center positioning */
@media (max-width: 767px) {
    .navbar-center { display: none; }
}

@media (max-width: 991px) {
    .navbar-left { min-width: auto; }
    .navbar-center { max-width: 300px; }
    .navbar-search-dropdown { width: 300px; }
}

/* ============================================================
   Navbar — responsive auto-adjust
   Prevents right-side icons from overlapping the search bar
   ============================================================ */

/* ── 992px – 1199px: medium desktops / small laptops ── */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .navbar-center {
        max-width: 340px;
    }
    /* tighten right-side gaps so icons don't eat search space */
    .navbar-right {
        gap: 0.25rem !important;
    }
    .sms-navbar .navbar-brand span {
        display: none; /* hide "SMS 2" text, keep icon */
    }
    .navbar-left {
        min-width: 60px;
    }
}

/* ── 768px – 991px: tablets / landscape phones ── */
@media (min-width: 768px) and (max-width: 991.98px) {
    /* search visible but shorter, shifted left of right icons */
    .navbar-center {
        position: relative;
        left: auto;
        transform: none;
        flex: 1 1 auto;
        max-width: none;
        padding: 0 0.5rem;
        order: 2; /* left > search > right */
    }
    .navbar-inner {
        flex-wrap: nowrap;
    }
    .navbar-left {
        order: 1;
        flex: 0 0 auto;
        min-width: auto;
    }
    .navbar-right {
        order: 3;
        flex: 0 0 auto;
        gap: 0.2rem !important;
    }
    /* hide lower-priority items to save space */
    .sms-navbar .navbar-brand span { display: none; }
    /* shrink message / notification btn padding */
    .navbar-right .btn-link { padding: 0.25rem 0.4rem !important; }
    .theme-toggle { width: 32px; height: 32px; border-radius: 8px; }
    /* make search dropdown not overflow viewport */
    .navbar-search-dropdown {
        width: min(340px, 90vw);
        left: 0;
        transform: none;
    }
    @keyframes searchDropIn {
        from { opacity: 0; transform: translateY(-6px); }
        to   { opacity: 1; transform: translateY(0); }
    }
}

/* ── ≤ 767px: phones — search hidden, right items compact ── */
@media (max-width: 767.98px) {
    .navbar-center { display: none !important; }
    .navbar-right {
        gap: 0.1rem !important;
    }
    .navbar-right .btn-link { padding: 0.25rem 0.35rem !important; }
    /* hide username label, keep icon */
    .navbar-right .d-none.d-md-inline { display: none !important; }
    /* shrink theme toggle */
    .theme-toggle { width: 30px; height: 30px; border-radius: 8px; }
    /* tighten notification badge */
    .notification-badge { min-width: 14px; padding: 0.15em 0.35em; font-size: 0.52rem; }
}

/* ── ≤ 480px: very small phones — further tighten ── */
@media (max-width: 480px) {
    /* hide messages button entirely, keep notifications + user */
    .navbar-right > .dropdown:first-of-type { display: none !important; }
    .navbar-right { gap: 0.05rem !important; }
    .sms-navbar .navbar-brand i { font-size: 1rem; }
}