/* Flag menu — roll expands the bar left; menu drops down after roll completes */

.header-nav-wrap {
    display: flex;
    align-items: center;
    position: relative;
    margin-left: auto;
    flex-shrink: 0;
    z-index: 100;
}

.flag-nav-unfurler {
    --flag-panel-w: min(calc(100vw - 2rem), 320px);
    --flag-hit-w: 48px;
    --flag-roll-visual-w: 18px;
    --flag-roll-h: 52px;
    --flag-roll-dur: 0.42s;
    --flag-drop-dur: 0.36s;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.flag-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: var(--flag-hit-w);
    min-width: var(--flag-hit-w);
    min-height: var(--flag-hit-w);
    height: var(--flag-roll-h);
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 2;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
    list-style: none;
    transition: width var(--flag-roll-dur) cubic-bezier(0.22, 1, 0.36, 1) var(--flag-drop-dur);
}

.flag-nav-unfurler[open] .flag-nav-toggle {
    width: var(--flag-panel-w);
    transition: width var(--flag-roll-dur) cubic-bezier(0.22, 1, 0.36, 1) 0s;
}

.flag-nav-toggle::-webkit-details-marker {
    display: none;
}

.flag-nav-toggle::marker {
    content: "";
}

.flag-nav-toggle-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.flag-roll {
    display: block;
    width: var(--flag-roll-visual-w);
    height: 100%;
    flex-shrink: 0;
    border-radius: 4px;
    background:
        repeating-linear-gradient(
            to bottom,
            #b22234 0 5px,
            #ffffff 5px 10px
        );
    box-shadow:
        inset -3px 0 5px rgba(0, 0, 0, 0.35),
        inset 2px 0 3px rgba(255, 255, 255, 0.45),
        2px 0 8px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
    pointer-events: none;
    transition:
        width var(--flag-roll-dur) cubic-bezier(0.22, 1, 0.36, 1),
        background var(--flag-roll-dur) ease,
        border-radius 0.35s ease,
        box-shadow 0.35s ease;
}

.flag-roll::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.18), transparent 35%, rgba(255, 255, 255, 0.12) 65%, rgba(0, 0, 0, 0.22));
    pointer-events: none;
}

.flag-roll::after {
    content: "";
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: 50%;
    width: 1px;
    background: rgba(0, 0, 0, 0.2);
    transform: translateX(-50%);
    transition: opacity 0.25s ease;
}

.flag-nav-unfurler[open] .flag-roll {
    width: 100%;
    border-radius: 4px 4px 0 0;
    background:
        repeating-linear-gradient(
            to right,
            #b22234 0 14px,
            #ffffff 14px 28px
        );
    box-shadow:
        inset 0 -3px 5px rgba(0, 0, 0, 0.2),
        0 0 0 2px #3c3b6e;
}

.flag-nav-unfurler[open] .flag-roll::after {
    opacity: 0;
}

/* Full menu width always — only drops down vertically after the bar finishes rolling */
.flag-nav-panel {
    position: absolute;
    top: 100%;
    right: 0;
    width: var(--flag-panel-w);
    border: 2px solid #3c3b6e;
    border-top: none;
    border-radius: 0 0 10px 10px;
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scaleY(0);
    transform-origin: top center;
    transition:
        max-height var(--flag-drop-dur) cubic-bezier(0.22, 1, 0.36, 1),
        transform var(--flag-drop-dur) cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.22s ease,
        visibility 0s linear var(--flag-drop-dur);
}

.flag-nav-unfurler[open] .flag-nav-panel {
    max-height: 480px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
    transition:
        max-height var(--flag-drop-dur) cubic-bezier(0.22, 1, 0.36, 1) var(--flag-roll-dur),
        transform var(--flag-drop-dur) cubic-bezier(0.22, 1, 0.36, 1) var(--flag-roll-dur),
        opacity 0.22s ease var(--flag-roll-dur),
        visibility 0s linear var(--flag-roll-dur);
}

.flag-nav-item {
    display: flex;
    align-items: stretch;
    min-height: 48px;
    text-decoration: none;
    color: #000000;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: filter 0.15s ease;
}

.flag-nav-item:hover,
.flag-nav-item:focus-visible {
    filter: brightness(0.94);
    outline: none;
}

.flag-nav-item--red { background: #b22234; }
.flag-nav-item--white { background: #ffffff; }

.flag-nav-canton {
    flex: 0 0 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #3c3b6e;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.flag-nav-star {
    color: #ffffff;
    font-size: 0.85rem;
    line-height: 1;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.35);
}

.flag-nav-label {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    padding: 0.65rem 1rem;
}

.topbar-inner { position: relative; }

.site-header .header-inner,
.topbar-inner {
    position: relative;
    flex-wrap: nowrap;
}

.topbar-inner .brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(100% - 3.75rem);
    overflow: hidden;
}

@media (max-width: 640px) {
    .flag-nav-unfurler {
        --flag-roll-h: 46px;
        --flag-hit-w: 48px;
        --flag-roll-visual-w: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .flag-nav-toggle,
    .flag-roll,
    .flag-nav-panel {
        transition: none;
    }
}