/* navbar */
  .public-topnav {
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    position: relative;
    z-index: 100;
}

.public-topnav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 1.25rem;
    height: 56px;
}

.public-topnav__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    font-weight: 500;
    font-size: 15px;
    flex-shrink: 0;
}

.public-topnav__links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.public-topnav__links a {
    text-decoration: none;
    /* font-size: 13px; */
    font-size: 1.1rem;
    color: #6b7280;
    padding: 5px 9px;
    border-radius: 6px;
    white-space: nowrap;
}

.public-topnav__links a:hover {
    background: #f3f4f6;
    color: #111827;
}

.public-topnav__cta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}



.public-topnav__btn--teacher {
    background: #eff6ff;
    color: #1d4ed8;
    border-color: transparent;
}

/* Hamburger */
.public-topnav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border: none;
    background: none;
}

.public-topnav__hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: #111827;
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.public-topnav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.public-topnav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.public-topnav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile drawer */
.public-topnav__mobile {
    display: flex;
    flex-direction: column;
    border-top: 1px solid #e5e7eb;
    padding: 12px 1.25rem 1rem;
    gap: 2px;
}

.public-topnav__mobile[hidden] { display: none; }

.public-topnav__mobile a {
    text-decoration: none;
    font-size: 14px;
    color: #6b7280;
    padding: 9px 12px;
    border-radius: 6px;
}

.public-topnav__mobile a:hover {
    background: #f3f4f6;
    color: #111827;
}

.public-topnav__mobile-divider {
    height: 1px;
    background: #e5e7eb;
    margin: 8px 0;
}

.public-topnav__mobile-cta {
    display: flex;
    gap: 8px;
    padding: 0 12px;
    margin-top: 4px;
}

.public-topnav__mobile-cta a {
    flex: 1;
    text-align: center;
    font-size: 13px;
    padding: 9px;
    border-radius: 6px;
    border: 1px solid #d1d5db;
    color: #111827;
}

.public-topnav__mobile-cta .public-topnav__btn--teacher {
    background: #eff6ff;
    color: #1d4ed8;
    border-color: transparent;
}

/* Breakpoints */
@media (max-width: 860px) {
    .public-topnav__links,
    .public-topnav__cta { display: none; }
    .public-topnav__hamburger { display: flex; }
}

@media (max-width: 400px) {
    .public-topnav__name { display: none; }
}