.app-topbar {
    min-height: 77px;
    background: rgba(255,255,255,.88) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(232,236,245,.95) !important;
    box-shadow: 0 12px 30px rgba(30,41,59,.06) !important;
    z-index: 1030;
}
.app-topbar .container-fluid {
    gap: 14px;
}
.app-topbar-start {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 0 0 auto;
}
.app-brand {
    min-width: 0;
}
.app-brand-text {
    color: var(--rr-text);
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: 0;
    white-space: nowrap;
}
.app-brand-mark,
.app-brand-logo {
    flex: 0 0 auto;
}
.app-brand-mark {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--rr-primary), var(--rr-secondary));
    color: #fff;
    box-shadow: 0 12px 24px rgba(79,110,247,.22);
}
.app-icon-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--rr-border);
    color: var(--rr-muted);
    background: var(--rr-card);
    box-shadow: 0 6px 16px rgba(30,41,59,.05);
}
.app-icon-btn:hover {
    color: var(--rr-primary);
    border-color: rgba(79,110,247,.35);
    background: rgba(79,110,247,.08);
}
.sidebar-toggle-btn {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    min-width: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
    overflow: hidden !important;
}
.app-top-search .input-group-text,
.app-top-search .form-control {
    height: 42px;
    background: var(--rr-bg) !important;
    border-color: var(--rr-border) !important;
}
.app-search-icon {
    color: var(--rr-muted);
    border-radius: 8px 0 0 8px !important;
    padding-inline: 14px;
}
.app-search-input {
    border-radius: 0 !important;
    font-size: .9rem;
    background: linear-gradient(180deg, #fff, #fafbff) !important;
}
.app-top-search .btn {
    height: 42px;
    border-radius: 0 8px 8px 0 !important;
    box-shadow: none;
}
.app-search-btn {
    color: #fff;
    background: linear-gradient(135deg, var(--rr-primary), var(--rr-secondary));
    border: none;
    box-shadow: 0 10px 20px rgba(79,110,247,.18);
}
.app-search-btn:hover {
    color: #fff;
    transform: translateY(-1px);
}
.no-caret::after { display: none !important; }
.dropdown-menu {
    border-radius: 8px !important;
    border: 1px solid var(--rr-border) !important;
    box-shadow: var(--rr-shadow) !important;
}
.dropdown-item { font-size: .88rem; }
.dropdown-item:hover {
    background: rgba(79,110,247,.09);
    color: var(--rr-primary);
}

.app-user-btn {
    height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--rr-text) !important;
    border: 1px solid var(--rr-border) !important;
    background: linear-gradient(180deg, #fff, #fafbff) !important;
    box-shadow: 0 6px 16px rgba(30,41,59,.05);
}
.app-user-btn:hover {
    color: var(--rr-primary) !important;
    border-color: rgba(79,110,247,.35) !important;
}
.app-topbar-nav {
    gap: 8px;
}
.app-topbar-nav .nav-link {
    color: var(--rr-text);
    font-weight: 600;
}
.app-topbar-nav .nav-link.active,
.app-topbar-nav .nav-link:hover {
    color: var(--rr-primary);
}

@media (max-width: 991.98px) {
    .app-topbar .container-fluid {
        gap: 8px;
    }
    .app-topbar-start {
        flex: 1 1 auto;
    }
    .sidebar-toggle-btn {
        display: inline-flex !important;
        visibility: visible !important;
        width: 40px !important;
        min-width: 40px !important;
        padding: .375rem .5rem !important;
        margin-right: .5rem !important;
        border: 1px solid var(--rr-border) !important;
        overflow: visible !important;
    }
    .app-topbar-nav {
        padding: 16px 0 8px;
    }
}

.theme-dark .app-topbar {
    background: var(--rr-card) !important;
}

.theme-dark .app-brand-text {
    color: var(--rr-text);
}

.theme-dark .app-icon-btn {
    background: rgba(255,255,255,.05);
    color: var(--rr-muted);
}

.theme-dark .app-user-btn {
    background: rgba(255,255,255,.04) !important;
    color: var(--rr-text) !important;
}