.guest-try-banner {
    position: sticky;
    top: 78px;
    z-index: 850;
    width: min(1180px, calc(100% - 32px));
    margin: 14px auto 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 14px 12px 18px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.11);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.guest-try-banner[hidden] {
    display: none;
}

.guest-try-banner p {
    margin: 0;
    color: var(--muted-strong);
    font-size: 13px;
    font-weight: 750;
    line-height: 1.45;
}

.guest-try-banner-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.guest-try-banner-actions .button {
    width: auto;
    min-width: 0;
    padding: 9px 14px;
    font-size: 12px;
    white-space: nowrap;
}

.site-nav {
    position: sticky;
    top: 16px;
    z-index: 20;
    margin-bottom: 22px;
    padding: 12px 14px 12px 16px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
    transition: box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1), transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), background 0.35s ease, top 0.35s ease;
}

.site-nav.scrolled {
    top: 10px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
    transform: translateY(-1px);
}

.workspace-landing-active .site-nav {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(255, 255, 255, 0.82);
}

.site-nav-brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    min-height: 46px;
}

.site-nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    flex-wrap: wrap;
    padding: 4px;
    border-radius: 999px;
    background: rgba(247, 250, 253, 0.62);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.workspace-landing-active .site-nav-links {
    background: rgba(255, 255, 255, 0.58);
}

.workspace-landing-active .site-nav-links::before {
    content: "Workspace Preview";
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 11px;
    border-radius: 999px;
    background: rgba(10, 132, 255, 0.10);
    color: var(--accent-strong);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.site-nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    min-width: 0;
}

.mobile-nav-toggle {
    display: none;
    flex-shrink: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 0;
    margin-left: auto;
    border: none;
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    box-shadow: none;
}

.mobile-nav-toggle:hover,
.mobile-nav-toggle:focus-visible {
    background: rgba(15, 23, 42, 0.06);
}

.mobile-nav-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transform-origin: center;
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.18s ease;
}

.site-nav.nav-open .mobile-nav-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-nav.nav-open .mobile-nav-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.site-nav.nav-open .mobile-nav-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.student-workspace-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 46px;
    padding: 7px 12px 7px 8px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.74);
    color: var(--text);
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
    transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.student-workspace-button:hover,
.student-workspace-button:focus-visible {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.09);
}

.student-workspace-avatar {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, #0a84ff, #334bd7);
    color: white;
    font-size: 12px;
    font-weight: 800;
    box-shadow: 0 8px 16px rgba(10, 132, 255, 0.18);
}

.student-workspace-copy {
    display: grid;
    gap: 1px;
    text-align: left;
}

.student-workspace-copy strong {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    letter-spacing: -0.02em;
}

.student-workspace-copy span {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    max-width: 96px;
    padding: 3px 7px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 11px;
    font-weight: 700;
}

.nav-link,
.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 13px;
    border-radius: 999px;
    color: var(--muted-strong);
    font-size: 13px;
    font-weight: 700;
    transition: background 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.nav-dropdown-toggle {
    border: none;
    background: transparent;
}

.nav-link:hover,
.nav-dropdown.open .nav-dropdown-toggle,
.nav-dropdown:hover .nav-dropdown-toggle,
.nav-dropdown:focus-within .nav-dropdown-toggle {
    background: rgba(255, 255, 255, 0.78);
    color: var(--text);
    transform: translateY(-1px);
}

.nav-link.active {
    background: rgba(10, 132, 255, 0.10);
    color: var(--accent-strong);
}

.workspace-landing-active .nav-link,
.workspace-landing-active .nav-dropdown-toggle {
    color: rgba(71, 84, 103, 0.78);
}

.workspace-landing-active .nav-link.active,
.workspace-landing-active .nav-dropdown-toggle.active {
    background: rgba(15, 23, 42, 0.04);
    color: var(--muted-strong);
}

.workspace-landing-active .nav-link:hover,
.workspace-landing-active .nav-dropdown.open .nav-dropdown-toggle,
.workspace-landing-active .nav-dropdown:hover .nav-dropdown-toggle,
.workspace-landing-active .nav-dropdown:focus-within .nav-dropdown-toggle {
    background: rgba(255, 255, 255, 0.90);
    color: var(--text);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 16px;
}

.nav-caret {
    font-size: 11px;
    color: var(--muted);
    transition: transform 0.22s ease;
}

.nav-dropdown.open .nav-caret,
.nav-dropdown:hover .nav-caret,
.nav-dropdown:focus-within .nav-caret {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 220px;
    padding: 10px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.nav-dropdown.open .dropdown-menu,
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 11px 12px;
    border-radius: 14px;
    color: var(--muted-strong);
    font-size: 14px;
    font-weight: 600;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.dropdown-menu a:hover {
    background: rgba(10, 132, 255, 0.08);
    color: var(--accent-strong);
    transform: translateX(2px);
}

.home-toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translateX(-50%) translateY(20px) scale(0.98);
    padding: 12px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.14);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 13px;
    font-weight: 700;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.24s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 0.28s;
    z-index: 80;
}

.home-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0) scale(1);
    transition-delay: 0s, 0s, 0s;
}

.footer-note {
    display: grid;
    justify-items: center;
    gap: 10px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    padding: 6px 0 16px;
}

@media (max-width: 820px) {
    .site-nav {
        border-radius: 26px;
    }

    .mobile-nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
        top: 12px;
    }

    .site-nav-actions {
        display: none;
    }

    .site-nav.nav-open {
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        max-height: 85vh;
        overflow-y: auto;
    }

    .site-nav.nav-open .site-nav-actions {
        display: flex;
        flex: 0 0 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        width: 100%;
        justify-content: flex-start;
        gap: 8px;
    }

    .site-nav.nav-open .student-workspace-button {
        flex: 0 0 100%;
    }

    .site-nav.nav-open .onboarding-tour-trigger {
        flex: 0 0 auto;
    }

    .site-nav.nav-open #authStatusButton {
        flex: 1 1 auto;
    }

    .site-nav.nav-open .site-nav-links {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        width: 100%;
        border-radius: 24px;
        gap: 4px;
    }
}

@media (max-width: 700px) {
    .guest-try-banner {
        top: 12px;
        width: calc(100% - 22px);
        align-items: stretch;
        flex-direction: column;
        border-radius: 22px;
    }

    .guest-try-banner-actions {
        width: 100%;
    }

    .guest-try-banner-actions .button {
        flex: 1 1 150px;
    }

    .site-nav-links {
        gap: 4px;
        width: 100%;
    }

    .workspace-landing-active .site-nav-links::before {
        grid-column: 1 / -1;
        justify-content: center;
    }

    .nav-link,
    .nav-dropdown-toggle {
        width: 100%;
        justify-content: flex-start;
    }

    .nav-dropdown {
        width: 100%;
    }

    .student-workspace-button {
        width: 100%;
        justify-content: flex-start;
    }

    .dropdown-menu {
        position: static;
        margin-top: 8px;
        width: 100%;
        display: none;
        opacity: 1;
        transform: none;
        pointer-events: auto;
    }

    .nav-dropdown.open .dropdown-menu {
        display: flex;
        flex-direction: column;
    }
}