*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-padding-top: 96px;
}

.public-nav {
    position: sticky;
    top: 0;
    z-index: 80;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(12, 39, 67, 0.92);
    backdrop-filter: blur(18px);
    transition: background-color 180ms ease, box-shadow 180ms ease;
}

.public-nav.is-scrolled {
    background: rgba(9, 31, 53, 0.97);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.18);
}

.public-nav-shell {
    width: min(1240px, calc(100% - 40px));
    margin: 0 auto;
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.public-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: #f8fafc;
    text-decoration: none;
}

.public-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.12);
    color: #f8fafc;
    font-family: "IBM Plex Mono", monospace;
    font-weight: 700;
}

.public-brand-text {
    color: rgba(248, 250, 252, 0.92);
    font-size: 1rem;
    font-weight: 700;
}

.public-nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.public-nav-link,
.public-nav-mode {
    color: rgba(248, 250, 252, 0.84);
    font-size: 0.94rem;
    text-decoration: none;
}

.public-nav-link {
    position: relative;
    padding: 10px 0;
    transition: color 150ms ease;
}

.public-nav-link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 4px;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: #7dd3fc;
    transition: width 150ms ease;
}

.public-nav-link:hover,
.public-nav-link-active {
    color: #ffffff;
}

.public-nav-link:hover::after,
.public-nav-link-active::after {
    width: 100%;
}

.public-nav-login {
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.public-nav-login::after {
    display: none;
}

.public-nav-mode {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.16);
    color: #dcfce7;
    font-weight: 700;
}

.public-nav-live-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.14);
}

@media (max-width: 980px) {
    .public-nav-shell {
        flex-direction: column;
        justify-content: center;
        padding: 14px 0;
    }

    .public-nav-links {
        justify-content: center;
    }
}

@media (max-width: 720px) {
    .public-nav-shell {
        width: min(100%, calc(100% - 28px));
    }

    .public-brand {
        justify-content: center;
    }

    .public-nav-links {
        gap: 12px;
    }

    .public-nav-link,
    .public-nav-mode {
        font-size: 0.9rem;
    }
}