#scroll_button {
    position: fixed;
    bottom: 2rem;
    right: 1.5rem;
    z-index: 9000;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--t-accent, #c45a4a);
    color: var(--t-on-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .45);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity .25s ease, visibility .25s ease, transform .25s ease, background .2s ease, box-shadow .2s ease;
}
#scroll_button.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
#scroll_button:hover {
    background: var(--t-accent-hover, color-mix(in oklab, var(--t-accent, #c45a4a) 80%, #fff));
    box-shadow: 0 6px 28px rgba(0, 0, 0, .55);
    transform: translateY(-2px);
}
#scroll_button:active {
    transform: translateY(0) scale(.93);
}


#custom_tooltip {
    position: absolute;
    max-width: 200px;
    background-color: var(--t-tooltip-bg);
    color: var(--t-tooltip-fg);
    padding: 10px;
    display: none;
    z-index: 9999999;
    font-size: 14px;
    box-shadow: var(--t-tooltip-box-shadow);
    border: var(--t-tooltip-border);
    box-sizing: border-box;
}


header .header_inner {
    display: grid;
    grid-template-columns: minmax(80px, 1fr) auto minmax(80px, 1fr);
    align-items: center;
    max-width: var(--t-layout-max-width);
    margin: 0 auto;
    width: 100%;
    padding: 20px 12px 12px;
    box-sizing: border-box;
}
header .header_cell_left {
    grid-column: 1;
}
header .header_nav {
    grid-column: 2;
    justify-self: center;
    display: flex;
    gap: 7px;
    font-size: 14px;
}
header .header_cell_right {
    grid-column: 3;
    justify-self: end;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}
header .title {
    margin: 0;
    padding: 0;
    font-size: 16px;
    text-align: left;
}
header .title a {
    color: var(--t-accent);
    text-shadow: none;
}
header .header_nav a {
    color: var(--t-header-nav-link);
}
header .header_nav a:hover,
header .header_nav a:focus-visible {
    color: var(--t-accent);
}
header .header_nav a.is-current {
    color: var(--t-accent);
}
header .header_nav a.is-current::before {
    background: currentColor;
}
header .header_login_link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 8px;
    color: var(--t-header-nav-link);
    transition: color 0.15s;
}
header .header_login_link::before {
    content: none;
}
header .header_login_link:hover,
header .header_login_link:focus-visible {
    color: var(--t-accent);
}
header .header_user_menu {
    position: relative;
    display: inline-flex;
    align-items: center;
}
header .header_user_menu_btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin: 0;
    padding: 0;
    color: var(--t-header-nav-link);
}
header .header_user_menu_btn:hover,
header .header_user_menu_btn:focus-visible,
header .header_user_menu.open .header_user_menu_btn {
    color: var(--t-accent);
}
header .header_user_dropdown {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    z-index: 1000;
    min-width: 130px;
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid color-mix(in oklab, var(--t-accent) 45%, var(--t-border));
    background-color: var(--t-surface-2);
    color: var(--t-text);
    font-size: 14px;
    box-shadow: 0 8px 28px -10px color-mix(in oklab, var(--t-accent) 35%, var(--t-bg));
    transform-origin: 50% 0;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.75) translateY(-21px);
    transition: transform 0.2s cubic-bezier(0.5, 0, 0, 1.25), opacity 0.15s ease-out;
}
header .header_user_menu.open .header_user_dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1) translateY(0);
}
header .header_user_info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 15px 8px 10px;
    border-bottom: 1px solid var(--t-border-soft);
}
header .header_user_name {
    font-size: 13px;
    font-weight: 600;
    color: var(--t-text);
    letter-spacing: 1px;
}
header .header_user_email {
    font-size: 12px;
    color: var(--t-muted);
    word-break: break-all;
    letter-spacing: 0;
}
header .header_user_dropdown a {
    display: block;
    font-weight: 400;
    padding: 8px 15px 8px 10px;
    text-align: left;
    letter-spacing: 1px;
    transition: background-color 0.2s, color 0.2s;
}
header .header_user_dropdown a::before {
    display: none;
}
header .header_user_dropdown a + a {
    border-top: 1px solid var(--t-border-soft);
}
header .header_user_dropdown a:hover,
header .header_user_dropdown a:focus-visible {
    background-color: color-mix(in oklab, var(--t-accent) 24%, var(--t-surface-2));
    color: var(--t-text);
}
header .header_user_dropdown:hover a:not(:hover) {
    background-color: transparent;
}