/* i4U theme toggle — profile dropdown item */

body.i4u-admin-layout .i4u-sidebar-dropdown .i4u-theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 16px;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--i4u-text-primary);
    font-size: 13px;
    line-height: 1;
    text-align: left;
    cursor: pointer;
    box-sizing: border-box;
}

body.i4u-admin-layout .i4u-sidebar-dropdown .i4u-theme-toggle:hover {
    background-color: var(--i4u-border-strong);
    color: var(--i4u-text-accent);
}

body.i4u-admin-layout .i4u-theme-toggle__icon {
    font-size: 16px;
    color: var(--i4u-text-muted);
    flex-shrink: 0;
}

body.i4u-admin-layout .i4u-sidebar-dropdown .i4u-theme-toggle:hover .i4u-theme-toggle__icon {
    color: var(--i4u-text-accent);
}

body.i4u-admin-layout .i4u-theme-toggle__icon--dark {
    display: none;
}

body.i4u-admin-layout .i4u-theme-toggle.is-light .i4u-theme-toggle__icon--light {
    display: none;
}

body.i4u-admin-layout .i4u-theme-toggle.is-light .i4u-theme-toggle__icon--dark {
    display: inline;
}

body.i4u-admin-layout .i4u-theme-toggle__label {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

body.i4u-admin-layout.sidebar-collapse .i4u-sidebar-dropdown .i4u-theme-toggle {
    justify-content: center;
    padding: 8px 0;
    gap: 0;
}

[data-theme="light"] .i4u-sidebar-logo--theme {
    filter: brightness(0) saturate(100%) invert(32%) sepia(45%) saturate(1200%) hue-rotate(115deg) brightness(95%);
}

/* Logo on auth page */
[data-theme="light"] .i4u-auth-logo {
    filter: brightness(0) saturate(100%) invert(32%) sepia(45%) saturate(1200%) hue-rotate(115deg) brightness(95%);
}

/* Light mode — tinted active controls need dark text, not white */
[data-theme="light"] .i4u-enrollment-page__filter-btn.is-active,
[data-theme="light"] .i4u-enrollment-page__filter-btn.is-active:hover {
    color: var(--i4u-primary-dark);
    border-color: var(--i4u-primary);
    background: var(--i4u-bg-elevated);
}

[data-theme="light"] .i4u-enrollment-page__bulk-btn.is-active,
[data-theme="light"] .i4u-enrollment-page__bulk-btn.is-active:hover,
[data-theme="light"] .i4u-student-page__filter-btn.is-active,
[data-theme="light"] .i4u-student-page__filter-btn.is-active:hover,
[data-theme="light"] .i4u-quiz-page__filter-btn.is-active,
[data-theme="light"] .i4u-quiz-page__filter-btn.is-active:hover {
    color: var(--i4u-primary-dark);
    background: rgba(26, 133, 96, 0.12);
}

[data-theme="light"] .i4u-view-switch__btn.is-active {
    color: var(--i4u-text-on-primary);
}