/* Sidebar (app shell) + topbar. */

.mf-sidebar {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: var(--mf-space-5) var(--mf-space-3);
    gap: var(--mf-space-4);
}

.mf-sidebar__brand {
    display: flex;
    align-items: center;
    gap: var(--mf-space-2);
    padding: 0 var(--mf-space-3);
    font-size: 18px;
    font-weight: 700;
    color: var(--mf-text);
    height: 40px;
    text-decoration: none;
}
.mf-sidebar__brand:hover { color: var(--mf-text); text-decoration: none; }

.mf-sidebar__brand-mark {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 11px;        /* fits "OT" two-letter mark cleanly inside 28px */
    letter-spacing: 0.5px;
}

.mf-sidebar__section {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mf-sidebar__section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--mf-text-subtle);
    padding: var(--mf-space-2) var(--mf-space-3);
}

.mf-sidebar__item {
    display: flex;
    align-items: center;
    gap: var(--mf-space-3);
    padding: 0 var(--mf-space-3);
    height: 40px;
    border-radius: var(--mf-radius);
    color: var(--mf-text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: background-color var(--mf-transition), color var(--mf-transition);
    text-decoration: none;
    cursor: pointer;
}
.mf-sidebar__item:hover {
    background: var(--mf-surface-2);
    color: var(--mf-text);
    text-decoration: none;
}
.mf-sidebar__item--active {
    background: var(--mf-primary-subtle);
    color: var(--mf-primary);
}
.mf-sidebar__item--active:hover {
    background: var(--mf-primary-subtle);
    color: var(--mf-primary);
}

.mf-sidebar__item-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.mf-sidebar__item-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mf-sidebar__item-count {
    font-size: 12px;
    color: var(--mf-text-subtle);
}

.mf-sidebar__spacer { flex: 1; }

.mf-sidebar__footer {
    border-top: 1px solid var(--mf-border);
    padding-top: var(--mf-space-4);
    display: flex;
    flex-direction: column;
    gap: var(--mf-space-2);
}

.mf-sidebar__license {
    padding: var(--mf-space-3);
    background: var(--mf-bg);
    border: 1px solid var(--mf-border);
    border-radius: var(--mf-radius);
    font-size: 12px;
}
.mf-sidebar__license-email {
    color: var(--mf-text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: var(--mf-space-1);
}
.mf-sidebar__license-meta {
    color: var(--mf-text-muted);
    display: flex;
    align-items: center;
    gap: var(--mf-space-2);
}

/* Topbar (used in mailbox + auth guest header) */
.mf-topbar {
    display: flex;
    align-items: center;
    gap: var(--mf-space-3);
    height: var(--mf-topbar-h);
    padding: 0 var(--mf-space-5);
    background: var(--mf-bg);
    border-bottom: 1px solid var(--mf-border);
}

.mf-topbar__brand {
    display: flex;
    align-items: center;
    gap: var(--mf-space-2);
    font-weight: 700;
    color: var(--mf-text);
    text-decoration: none;
}

.mf-topbar__search {
    flex: 1;
    max-width: 480px;
    margin: 0 var(--mf-space-4);
}

.mf-topbar__actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--mf-space-2);
}

.mf-topbar__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--mf-text);
}

/* Mobile hamburger */
.mf-sidebar-toggle {
    display: none;
    background: none;
    border: 0;
    padding: var(--mf-space-2);
    color: var(--mf-text);
    cursor: pointer;
}
@media (max-width: 767.98px) {
    .mf-sidebar-toggle { display: inline-flex; }
}

.mf-sidebar__item--button {
    border: 0;
    background: transparent;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
}

/* Account block inside sidebar (email label + Mail/Drive buttons) */
.mf-sidebar__account {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--mf-space-2) 0;
}

.mf-sidebar__account-label {
    display: flex;
    align-items: center;
    gap: var(--mf-space-2);
    padding: 4px var(--mf-space-3);
    font-size: 12px;
    color: var(--mf-text-muted);
    font-weight: 500;
    overflow: hidden;
}

.mf-sidebar__account-label svg {
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
}

.mf-sidebar__account-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    padding: 0 var(--mf-space-3);
}

.mf-sidebar__sub-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 32px;
    padding: 0 var(--mf-space-2);
    font-size: 12px;
    font-weight: 500;
    color: var(--mf-text-muted);
    background: var(--mf-bg);
    border: 1px solid var(--mf-border);
    border-radius: var(--mf-radius);
    text-decoration: none;
    transition: background-color var(--mf-transition), color var(--mf-transition), border-color var(--mf-transition);
}

.mf-sidebar__sub-item:hover {
    background: var(--mf-surface-2);
    color: var(--mf-text);
    text-decoration: none;
}

.mf-sidebar__sub-item--active {
    background: var(--mf-primary-subtle);
    color: var(--mf-primary);
    border-color: var(--mf-primary-subtle);
}

.mf-sidebar__sub-item svg { width: 12px; height: 12px; }