:root {
    --vpa-header-height: 57px;
    --vpa-header-background: #fff;
    --vpa-header-border: #dee2e6;
    --vpa-header-text: #495057;
    --vpa-header-hover: #f1f3f5;
    --vpa-header-focus: #0d6efd;
}

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

.vpa-header {
    align-items: center;
    background: var(--vpa-header-background);
    border-bottom: 1px solid var(--vpa-header-border);
    color: var(--vpa-header-text);
    display: flex;
    font-family: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    height: var(--vpa-header-height);
    justify-content: space-between;
    left: var(--vpa-header-shell-offset, 0px);
    padding: 0 8px;
    position: fixed;
    right: 0;
    top: 0;
    transition: left 0.3s ease-in-out;
    z-index: 1034;
}

.vpa-header__left,
.vpa-header__actions {
    align-items: center;
    display: flex;
    height: 100%;
}

.vpa-header__actions {
    gap: 2px;
}

.vpa-header__button,
.vpa-user-menu__trigger {
    align-items: center;
    appearance: none;
    background: transparent;
    border: 0;
    border-radius: 4px;
    color: inherit;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    justify-content: center;
    min-height: 40px;
    padding: 8px 12px;
}

.vpa-header__button {
    min-width: 42px;
}

.vpa-header__button:hover,
.vpa-user-menu__trigger:hover,
.vpa-header__button[aria-expanded="true"],
.vpa-user-menu__trigger[aria-expanded="true"] {
    background: var(--vpa-header-hover);
}

.vpa-header__button:focus-visible,
.vpa-user-menu__trigger:focus-visible,
.vpa-header__panel button:focus-visible,
.vpa-header__panel a:focus-visible {
    outline: 3px solid rgba(13, 110, 253, 0.45);
    outline-offset: 1px;
}

.vpa-header svg {
    fill: none;
    height: 20px;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
    width: 20px;
}

.vpa-header__menu {
    position: relative;
}

.vpa-header__panel {
    background: #fff;
    border: 1px solid #d8dde2;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(33, 37, 41, 0.18);
    color: #343a40;
    position: absolute;
    right: 0;
    top: calc(100% + 7px);
    z-index: 1050;
}

.vpa-header__panel[hidden] {
    display: none;
}

.vpa-header__panel-title {
    border-bottom: 1px solid #e9ecef;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 14px;
}

.vpa-accessibility {
    padding-bottom: 8px;
    width: min(320px, calc(100vw - 20px));
}

.vpa-accessibility__group {
    border: 0;
    margin: 0;
    padding: 12px 14px 4px;
}

.vpa-accessibility__group + .vpa-accessibility__group {
    border-top: 1px solid #e9ecef;
    margin-top: 8px;
}

.vpa-accessibility__group legend {
    float: none;
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 8px;
    padding: 0;
    width: auto;
}

.vpa-accessibility__options {
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vpa-accessibility__options--wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.vpa-accessibility__options button {
    background: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: 4px;
    color: #343a40;
    cursor: pointer;
    font: inherit;
    min-height: 36px;
    padding: 6px 8px;
}

.vpa-accessibility__options button:hover,
.vpa-accessibility__options button[aria-pressed="true"] {
    background: #e7f1ff;
    border-color: #0d6efd;
    color: #084298;
}

.vpa-user-menu__trigger {
    gap: 7px;
    max-width: min(280px, 45vw);
}

.vpa-user-menu__trigger svg {
    height: 16px;
    width: 16px;
}

.vpa-user-menu__name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.vpa-user-menu__panel {
    min-width: 200px;
    padding: 5px 0;
}

.vpa-user-menu__panel form {
    margin: 0;
}

.vpa-user-menu__item {
    align-items: center;
    background: transparent;
    border: 0;
    color: #343a40;
    cursor: pointer;
    display: flex;
    font: inherit;
    gap: 9px;
    padding: 9px 14px;
    text-align: left;
    text-decoration: none;
    width: 100%;
}

.vpa-user-menu__item:hover {
    background: #f4f6f9;
    color: #16181b;
    text-decoration: none;
}

.vpa-user-menu__item--logout {
    color: #c82333;
}

.vpa-user-menu__item svg {
    height: 18px;
    width: 18px;
}

.vpa-header__fullscreen-exit {
    display: none;
}

.vpa-header__button[data-vpa-fullscreen][aria-pressed="true"] .vpa-header__fullscreen-enter {
    display: none;
}

.vpa-header__button[data-vpa-fullscreen][aria-pressed="true"] .vpa-header__fullscreen-exit {
    display: block;
}

body.vpa-color-mode-1 .vpa-header {
    --vpa-header-background: #343a40;
    --vpa-header-border: #454d55;
    --vpa-header-hover: #454d55;
    --vpa-header-text: #fff;
}

body.vpa-color-mode-2 .vpa-header {
    --vpa-header-background: #002658;
    --vpa-header-border: #fff3bc;
    --vpa-header-hover: rgba(255, 243, 188, 0.14);
    --vpa-header-text: #fff3bc;
}

@media (max-width: 991.98px) {
    .vpa-header {
        left: 0;
    }
}

@media (max-width: 575.98px) {
    .vpa-header {
        padding-inline: 4px;
    }

    .vpa-header__button,
    .vpa-user-menu__trigger {
        padding-inline: 9px;
    }

    .vpa-user-menu__name {
        max-width: 110px;
    }

    .vpa-accessibility {
        position: fixed;
        right: 10px;
        top: calc(var(--vpa-header-height) + 6px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .vpa-header {
        transition: none;
    }
}