.site-header {
    position: sticky;
    top: 0;
    z-index: 300;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(244, 168, 200, 0.22);
    padding-bottom: 0;
}

.header-shell {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.85rem;
    min-height: 3.25rem;
}

.header-friends-alert {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-inline-start: auto;
    margin-inline-end: 0.35rem;
    padding: 0.35rem 0.55rem;
    border-radius: 999px;
    text-decoration: none;
    background: linear-gradient(135deg, rgba(255, 232, 241, 0.95), rgba(255, 248, 230, 0.98));
    border: 1px solid rgba(244, 168, 200, 0.45);
    box-shadow: 0 4px 14px rgba(212, 93, 148, 0.12);
    flex-shrink: 0;
}

.header-friends-alert-icon {
    font-size: 1rem;
    line-height: 1;
}

.header-friends-alert-count {
    min-width: 1.1rem;
    height: 1.1rem;
    padding: 0 0.3rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--pink-400), var(--gold-300));
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.account-dropdown-badge {
    margin-inline-start: auto;
    min-width: 1.2rem;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--pink-400), var(--gold-300));
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0.55rem 0 0.75rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
    display: none;
}

.nav-link {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
}

@media (max-width: 640px) {
    .site-nav {
        gap: 0.22rem;
        padding: 0.45rem 0 0.65rem;
        justify-content: flex-start;
        width: 100%;
        mask-image: linear-gradient(to left, transparent, #000 12px, #000 calc(100% - 12px), transparent);
        -webkit-mask-image: linear-gradient(to left, transparent, #000 12px, #000 calc(100% - 12px), transparent);
    }

    .nav-link {
        padding: 0.32rem 0.55rem;
        font-size: 0.7rem;
    }
}

.account-menu {
    position: relative;
    flex-shrink: 0;
    z-index: 320;
}

.account-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.3rem 0.55rem 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(244, 168, 200, 0.45);
    background: #fff;
    box-shadow: 0 4px 16px rgba(212, 93, 148, 0.1);
    cursor: pointer;
    font-family: inherit;
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.account-trigger:hover,
.account-trigger[aria-expanded="true"] {
    border-color: rgba(212, 175, 55, 0.55);
    box-shadow: var(--shadow-gold);
}

.account-avatar,
.account-dropdown-avatar {
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink-300), var(--gold-300));
    color: #fff;
    font-weight: 700;
    flex-shrink: 0;
}

.account-avatar {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
}

.account-trigger-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    max-width: 7.5rem;
}

.account-name,
.account-dropdown-name {
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.account-chevron {
    width: 0.4rem;
    height: 0.4rem;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg) translateY(-1px);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.account-trigger[aria-expanded="true"] .account-chevron {
    transform: rotate(-135deg) translateY(1px);
}

.account-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(74, 44, 61, 0.28);
    z-index: 310;
}

.account-backdrop[hidden] {
    display: none;
}

.account-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    inset-inline-end: 0;
    width: 15.5rem;
    max-height: min(70vh, 24rem);
    overflow-y: auto;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    background: #fff;
    border: 1px solid rgba(244, 168, 200, 0.35);
    box-shadow: 0 16px 40px rgba(74, 44, 61, 0.16);
    z-index: 330;
}

.account-dropdown.is-fixed {
    position: fixed;
    top: auto;
    inset-inline-end: auto;
    margin: 0;
}

.account-dropdown[hidden] {
    display: none !important;
}

.account-dropdown-head {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.5rem 0.6rem;
}

.account-dropdown-avatar {
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

.account-dropdown-meta {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
    flex: 1;
}

.account-dropdown-login {
    font-size: 0.74rem;
    color: var(--text-muted);
}

.account-dropdown-divider {
    height: 1px;
    margin: 0.2rem 0;
    background: rgba(244, 168, 200, 0.22);
}

.account-dropdown-nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.account-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.65rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: inherit;
    transition: background 0.15s ease;
}

.account-dropdown-item:hover {
    background: linear-gradient(135deg, rgba(255, 232, 241, 0.9), rgba(255, 248, 230, 0.9));
}

.account-dropdown-icon {
    width: 1.85rem;
    height: 1.85rem;
    display: grid;
    place-items: center;
    border-radius: 9px;
    background: rgba(255, 245, 250, 0.95);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.account-dropdown-label {
    font-size: 0.84rem;
    font-weight: 600;
}

.account-dropdown-item--logout {
    margin-top: 0.1rem;
}

.account-dropdown-item--logout .account-dropdown-icon {
    background: rgba(192, 57, 43, 0.08);
}

.account-dropdown-item--logout .account-dropdown-label {
    color: #c0392b;
}

.account-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--pink-400), var(--pink-500));
    box-shadow: 0 8px 22px rgba(212, 93, 148, 0.24);
}

.account-login-icon {
    font-size: 0.95rem;
    line-height: 1;
}

.account-login-current {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(244, 168, 200, 0.35);
}

body.account-menu-open {
    overflow: hidden;
}

@media (max-width: 760px) {
    .brand-tagline {
        display: none;
    }

    .brand-name {
        font-size: 1.15rem;
    }

    .brand-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        font-size: 1.05rem;
    }

    .account-trigger-text {
        display: none;
    }

    .account-trigger {
        padding: 0.25rem;
    }

    .account-dropdown {
        width: min(17rem, calc(100vw - 1.25rem));
    }
}

@media (min-width: 761px) {
    .header-inner {
        flex-wrap: nowrap;
    }
}