/* EDITORIAL MENU PANEL */

.header__menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;

    background: rgba(10, 10, 10, 0.48);
    backdrop-filter: blur(3px);

    visibility: hidden;
    opacity: 0;
    pointer-events: none;

    transition:
        opacity 0.28s ease,
        visibility 0s linear 0.28s;
}

.header__menu-overlay.menu--open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;

    transition:
        opacity 0.28s ease,
        visibility 0s linear 0s;
}

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

.header__menu-panel {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;

    width: min(560px, calc(100vw - 56px));
    height: 100vh;

    overflow-y: auto;
    background: var(--color-bg);

    border-right: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);

    visibility: hidden;
    transform: translateX(-100%);

    transition:
        transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0.34s;
}

.header__menu-panel.menu--open {
    visibility: visible;
    transform: translateX(0);

    transition:
        transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0s linear 0s;
}

.header__menu-panel-head {
    position: sticky;
    top: 0;
    z-index: 2;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    padding: 22px 24px 18px;

    background: var(--color-bg);
    background: color-mix(in srgb, var(--color-bg) 94%, transparent);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
}

.header__menu-kicker {
    display: block;
    margin-bottom: 4px;

    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;

    color: var(--color-accent);
}

.header__menu-title {
    font-family: var(--font-display);
    font-size: 1.55rem;
    line-height: 1.15;

    color: var(--color-text);
}

.header__menu-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 44px;
    height: 44px;

    border: 1px solid var(--color-border);
    border-radius: 50%;
    background: var(--color-bg);
    cursor: pointer;

    color: var(--color-text-muted);

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease;
}

.header__menu-close:hover {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    color: #fff;
}

.header__menu-close svg {
    width: 20px;
    height: 20px;
}

.header__menu-panel-body {
    display: grid;
    grid-template-columns: 188px minmax(0, 1fr);
    min-height: calc(100vh - 96px);
    gap: 6px;
}

.header__panel-index {
    padding: 22px 16px 26px;

    border-right: 1px solid var(--color-border);
    background: var(--color-bg);
}

.header__panel-detail-area {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;

    min-width: 0;
    padding: 22px 22px 26px;
}

.header__panel-secondary-group {
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.header__panel-section-title {
    margin-bottom: 12px;

    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;

    color: var(--color-text-muted);
}

.header__panel-primary-list,
.header__panel-secondary-list {
    display: grid;
    gap: 4px;
}

.header__panel-primary-link,
.header__panel-secondary-link {
    display: flex;
    align-items: center;

    min-height: 40px;
    padding: 9px 10px;

    border-left: 3px solid transparent;

    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 700;

    color: var(--color-text);

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease,
        padding-left 0.2s ease;
}

.header__panel-primary-link:hover,
.header__panel-primary-link.is-active,
.header__panel-secondary-link:hover,
.header__panel-secondary-link[aria-current="page"] {
    border-color: var(--color-accent);
    background: var(--color-bg-alt);
    color: var(--color-accent);
    padding-left: 15px;
}

.header__panel-secondary-link {
    min-height: 32px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.header__panel-detail {
    display: none;
    width: min(100%, 460px);
}

.header__panel-detail.is-active {
    display: block;
    animation: menuDetailFade 0.18s ease;
}

@keyframes menuDetailFade {
    from {
        opacity: 0;
        transform: translateX(6px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.header__panel-detail-head {
    display: flex;
    align-items: baseline;
    justify-content: start;
    gap: 20px;

    width: fit-content;
    max-width: 100%;
    margin-bottom: 20px;
    padding: 0 12px 12px 0;

    border-bottom: 1px solid var(--color-border);
}

.header__panel-detail-head h3 {
    font-family: var(--font-display);
    font-size: 1.45rem;
    line-height: 1.15;

    color: var(--color-text);
}

.header__panel-detail-head a {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-accent);
}

.header__panel-detail-head a:hover {
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.header__panel-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
}

.header__panel-detail-grid h4 {
    margin-bottom: 10px;

    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;

    color: var(--color-text-muted);
}

.header__panel-text-list {
    display: grid;
    gap: 8px;
}

.header__panel-text-list a {
    font-family: var(--font-ui);
    font-size: 0.92rem;
    line-height: 1.35;

    color: var(--color-text);

    transition:
        color 0.2s ease;
}

.header__panel-text-list a:hover {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.header__panel-portal-links {
    display: grid;
    gap: 8px;

    width: min(100%, 460px);
    margin-top: 24px;
    padding-top: 16px;

    border-top: 1px solid var(--color-border);
}

.header__menu-highlights {
    width: min(100%, 460px);
    margin-top: 12px;
    padding: 10px 0 16px;
    border-bottom: 1px solid var(--color-border);
}

.header__menu-highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.header__menu-highlight-link {
    min-height: 38px;
    padding: 9px 10px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.header__menu-highlight-link:hover {
    border-color: color-mix(in srgb, var(--color-accent) 55%, var(--color-border));
    background: color-mix(in srgb, var(--color-bg-alt) 65%, var(--color-bg));
    transform: translateY(-1px);
}

.header__panel-service-link {
    font-family: var(--font-ui);
    font-size: 0.84rem;
    font-weight: 600;

    color: var(--color-text-muted);

    transition:
        color 0.2s ease;
}

.header__panel-service-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.header__panel-service-link--muted {
    font-weight: 500;
    color: var(--color-text-muted);
}