/* Unified topbar action controls. Icons use the same Lucide geometry and stroke. */
.app-topbar-actions {
    gap: 7px;
    flex-wrap: nowrap;
}

.app-topbar .icon-only-trigger,
.app-topbar .notification-bell-trigger,
.app-topbar .theme-toggle-btn,
.app-topbar .user-menu-toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    flex: 0 0 44px;
    padding: 0;
    border: 1px solid #dbe3ec;
    border-radius: 10px;
    color: #334155;
    background: #fff;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .05);
    transform: none;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.app-topbar .icon-only-trigger:hover,
.app-topbar .icon-only-trigger:focus-visible,
.app-topbar .notification-bell-trigger:hover,
.app-topbar .notification-bell-trigger:focus-visible,
.app-topbar .theme-toggle-btn:hover,
.app-topbar .theme-toggle-btn:focus-visible,
.app-topbar .user-menu-toggle:hover,
.app-topbar .user-menu-toggle:focus-visible {
    color: #0f172a;
    background: #f8fafc;
    border-color: #aebdcd;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, .08), 0 4px 12px rgba(15, 23, 42, .08);
    transform: translateY(-1px);
}

.app-topbar .icon-only-trigger:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(15, 23, 42, .08);
}

.shell-action-icon {
    width: 21px;
    height: 21px;
    display: block;
    overflow: visible;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.shell-action-icon-user,
.theme-toggle-icon,
.theme-toggle-icon .shell-action-icon {
    width: 22px;
    height: 22px;
}

.theme-toggle-icon {
    position: relative;
    display: grid;
    place-items: center;
}

.theme-toggle-icon .shell-action-icon {
    grid-area: 1 / 1;
    transition: opacity .2s ease, transform .25s ease;
}

.theme-toggle-moon {
    opacity: 0;
    transform: rotate(-18deg) scale(.72);
}

.theme-toggle-sun {
    opacity: 1;
    transform: rotate(0) scale(1);
}

.theme-toggle-btn {
    color: #b76b00 !important;
}

[data-theme="dark"] .theme-toggle-sun {
    opacity: 0;
    transform: rotate(35deg) scale(.72);
}

[data-theme="dark"] .theme-toggle-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="dark"] .app-topbar .icon-only-trigger,
[data-theme="dark"] .app-topbar .notification-bell-trigger,
[data-theme="dark"] .app-topbar .theme-toggle-btn,
[data-theme="dark"] .app-topbar .user-menu-toggle {
    color: #d4d4d4 !important;
    background: #181818 !important;
    border-color: #353535 !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .28) !important;
}

[data-theme="dark"] .app-topbar .theme-toggle-btn {
    color: #f4c15d !important;
}

[data-theme="dark"] .app-topbar .icon-only-trigger:hover,
[data-theme="dark"] .app-topbar .icon-only-trigger:focus-visible,
[data-theme="dark"] .app-topbar .notification-bell-trigger:hover,
[data-theme="dark"] .app-topbar .notification-bell-trigger:focus-visible,
[data-theme="dark"] .app-topbar .theme-toggle-btn:hover,
[data-theme="dark"] .app-topbar .theme-toggle-btn:focus-visible,
[data-theme="dark"] .app-topbar .user-menu-toggle:hover,
[data-theme="dark"] .app-topbar .user-menu-toggle:focus-visible {
    color: #fff !important;
    background: #242424 !important;
    border-color: #575757 !important;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .07), 0 4px 12px rgba(0, 0, 0, .28) !important;
}

[data-theme="dark"] .app-topbar .theme-toggle-btn:hover,
[data-theme="dark"] .app-topbar .theme-toggle-btn:focus-visible {
    color: #ffd171 !important;
}

@media (max-width: 575.98px) {
    .app-topbar-actions {
        gap: 5px;
    }

    .app-topbar .icon-only-trigger,
    .app-topbar .notification-bell-trigger,
    .app-topbar .theme-toggle-btn,
    .app-topbar .user-menu-toggle {
        width: 42px;
        height: 42px;
        min-width: 42px;
        min-height: 42px;
        flex-basis: 42px;
    }
}

@media (max-width: 359.98px) {
    .app-topbar .app-brand-copy {
        display: none;
    }

    .app-topbar .app-brand {
        gap: 0;
    }
}