:root {
    --text-color: rgb(255 255 255 / 90%);
    --title-primary: #5f9fc5;
    --title-secondary: #67a783;
    --section-1: #030812;
    --section-2: #081b12;
    --section-3: #030c08;
    --section-4: #081425;
    color-scheme: dark;
    --page-background: #000;
    --section-background: #000;
    --section-alternate: #080808;
    --quiet-color: rgb(194 186 170 / 50%);
    --container-width: 1400px;
    --control-radius: 6px;
    --box-radius: 12px;
    --page-gutter: clamp(20px, 4vw, 40px);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--page-background); }
body { margin: 0; min-height: 100vh; background: var(--page-background); color: var(--text-color); line-height: 1.6; }
h1, h2, .title-primary { color: var(--title-primary); font-weight: 600; }
h3, h4, h5, h6, .title-secondary { color: var(--title-secondary); font-weight: 600; }
button, input { font: inherit; color: inherit; }
button, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; }
.container { width: 100%; max-width: var(--container-width); margin-inline: auto; padding-inline: var(--page-gutter); }
.gate {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding: clamp(28px, 5vh, 64px) var(--page-gutter) 64px;
    gap: 28px;
}
.gate-logo { display: block; width: 600px; max-width: 100%; height: auto; }
.gate-form { display: flex; align-items: stretch; justify-content: center; gap: 12px; max-width: 100%; }
.gate-input, .gate-button {
    color: var(--quiet-color);
    background: #000;
    border: 1px solid var(--quiet-color);
    border-radius: var(--control-radius);
    min-height: 42px;
    padding: 9px 12px;
    box-shadow: none;
    font-size: 14px;
}
.gate-input { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; width: 25ch; min-width: 0; flex: 0 1 25ch; }
.gate-button { flex: 0 0 auto; padding-inline: 18px; }
.gate-input:focus-visible, .gate-button:focus-visible, .menu-link:focus-visible, summary:focus-visible, .site-name:focus-visible {
    outline: 1px solid var(--quiet-color);
    outline-offset: 3px;
}
.private-page { display: flex; flex-direction: column; }
.site-header { border-bottom: 1px solid var(--quiet-color); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.site-name { font-size: 14px; letter-spacing: .08em; text-decoration: none; }
.menu-link { background: transparent; border: 0; padding: 12px 0 12px 20px; color: var(--quiet-color); font-size: 14px; }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; cursor: pointer; padding: 12px; margin-right: -12px; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.hamburger { display: flex; flex-direction: column; gap: 5px; width: 22px; }
.hamburger span { display: block; height: 1px; width: 100%; background: var(--quiet-color); }
.mobile-menu-panel { position: absolute; z-index: 1; right: 0; top: 100%; min-width: 132px; padding: 8px 20px; background: #000; border: 1px solid var(--quiet-color); }
.mobile-menu-panel .menu-link { padding: 12px 0; width: 100%; text-align: left; }
.private-main { flex: 1; }
.section { width: 100%; padding-block: clamp(28px, 5vh, 64px); background: var(--section-background); }
.section--base { --section-background: #000; }
.section--alternate { --section-background: var(--section-alternate); }
.section + .section { border-top: 1px solid var(--quiet-color); }
.section-stack > .section { border-top: 1px solid var(--quiet-color); }
.section-stack > .section:nth-child(4n + 1) { --section-background: var(--section-1); }
.section-stack > .section:nth-child(4n + 2) { --section-background: var(--section-2); }
.section-stack > .section:nth-child(4n + 3) { --section-background: var(--section-3); }
.section-stack > .section:nth-child(4n) { --section-background: var(--section-4); }
.section-row { display: flex; flex-wrap: wrap; gap: 28px; }
.section-column { flex: 1 1 360px; min-width: 0; max-width: 100%; }
.private-logo-container { display: flex; justify-content: center; }
.site-footer { border-top: 1px solid var(--quiet-color); min-height: 24px; }
.box { border: 1px solid var(--quiet-color); border-radius: var(--box-radius); padding: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--quiet-color); border-radius: var(--control-radius); padding: 9px 18px; background: transparent; color: var(--text-color); text-decoration: none; }
.item-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--quiet-color); border-radius: var(--box-radius); overflow: hidden; }
.item-list > * + * { border-top: 1px solid var(--quiet-color); }
.item-list > a, .item-list > li > a, .item-list > li > button { display: flex; align-items: center; width: 100%; padding: 14px 20px; border: 0; border-radius: 0; background: transparent; color: inherit; text-align: left; text-decoration: none; }
.item-list a:hover, .item-list button:hover { background: rgb(255 255 255 / 4%); }
.item-list a:focus-visible, .item-list button:focus-visible { outline: 1px solid var(--quiet-color); outline-offset: -4px; }

/* Shared private navigation and content components. */
.header-inner { justify-content: center; padding-block: 18px; }
.desktop-menu { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 10px; }
.desktop-menu form { margin: 0; display: flex; }
.button[aria-current="page"], .mobile-menu-link[aria-current="page"] { border-color: var(--title-primary); color: var(--title-primary); }
.button:hover { border-color: var(--title-secondary); color: var(--title-secondary); }
.button:focus-visible, .mobile-menu-link:focus-visible { outline: 1px solid var(--title-primary); outline-offset: 3px; }
.prose { max-width: 900px; margin-inline: auto; overflow-wrap: anywhere; }
.prose h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.25; margin: 0 0 24px; }
.prose h2 { margin-top: 36px; line-height: 1.35; }
.prose h3 { margin-top: 28px; line-height: 1.4; }
.prose p { margin-block: 0 18px; }
.prose li { margin-block: 6px; }
.prose a { text-underline-offset: 4px; }
.resource-image { display: block; width: 600px; max-width: 100%; height: auto; margin: 0 auto 28px; }
.resource-title { text-align: center; }
.download-actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.schedule-list li { padding: 14px 20px; margin: 0; }
.schedule-heading { margin-top: 0; }
.next-date { max-width: 600px; margin-inline: auto; }
.music-track { padding: 22px; }
.track-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 16px; }
.track-number { color: var(--quiet-color); font-size: 13px; }
.track-heading h2 { flex: 1; margin: 0; font-size: 19px; color: var(--text-color); }
.track-heading .button { font-size: 13px; }
.music-track audio { display: block; width: 100%; }
.lyrics p { white-space: pre-line; }
.mobile-menu-panel select { width: 100%; }
@media (max-width: 640px) {
    .site-header { border-bottom: 0; }
    .header-inner { min-height: 0; padding-block: 0; }
    .desktop-menu { display: none; }
    .mobile-menu { display: block; position: fixed; z-index: 20; right: 22px; bottom: calc(22px + env(safe-area-inset-bottom)); }
    .mobile-menu summary { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; margin: 0; padding: 12px; border: 1px solid var(--quiet-color); border-radius: var(--control-radius); background: #000; }
    .mobile-menu-panel { top: auto; bottom: calc(100% + 12px); min-width: 185px; max-height: calc(100dvh - 110px); overflow-y: auto; padding: 0; border-radius: var(--box-radius); }
    .mobile-menu-panel > * + * { border-top: 1px solid var(--quiet-color); }
    .mobile-menu-panel form { margin: 0; }
    .mobile-menu-link { display: block; width: 100%; border: 0; border-radius: 0; padding: 12px 20px; background: #000; color: var(--text-color); text-align: left; text-decoration: none; font-size: 14px; }
    .mobile-menu-link:hover { background: rgb(255 255 255 / 4%); }
    .site-footer { min-height: 96px; }
    .private-main { padding-bottom: 12px; }
    .music-track { padding: 18px; }
}
@media (max-width: 640px) {
    .desktop-menu { display: none; }
    .mobile-menu { display: block; }
    .header-inner { min-height: 0; }
    .section-column { flex-basis: 100%; }
}

.language-files a { justify-content: space-between; gap: 20px; }
.file-kind { color: var(--quiet-color); font-size: 12px; }
.operation-date { font-size: 18px; }
.admin-form { display: flex; flex-direction: column; gap: 20px; }
.admin-form label { display: flex; flex-direction: column; gap: 7px; }
.admin-form input, .admin-form textarea, .admin-form select { width: 100%; min-width: 0; padding: 11px 12px; background: #000; color: var(--text-color); border: 1px solid var(--quiet-color); border-radius: var(--control-radius); font: inherit; }
.admin-form textarea { resize: vertical; }
.form-row { display: flex; flex-wrap: wrap; gap: 20px; }
.form-row > label { flex: 1 1 260px; }
.admin-form .checkbox-label { flex-direction: row; align-items: center; }
.checkbox-label input { width: auto; }
.field-hint { font-size: 13px; }
.admin-event { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 20px; }
.event-row { padding: 22px; }
.event-row h2 { margin: 0 0 10px; }
.event-primary-time { font-weight: 600; }
.event-timezones { display: flex; flex-wrap: wrap; gap: 6px 24px; margin-bottom: 16px; font-size: 14px; }
.event-files { margin-top: 20px; }
.event-files a { justify-content: space-between; gap: 16px; }
.desktop-submenu { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; padding-bottom: 18px; }
.home-presentation { padding-block: 0 36px; text-align: center; }
.home-presentation h1 { font-size: clamp(24px, 4vw, 34px); }
.track-heading h2, .track-heading h3 { flex: 1; margin: 0; font-size: 19px; color: var(--text-color); }
.image-resource-row { display: flex; align-items: center; gap: 22px; padding: 20px; }
.image-resource-row > img { width: 140px; max-width: 35%; height: auto; }
.image-resource-row h3 { margin-top: 0; }
.reading-text { margin-top: 28px; }
.reading-text > summary { cursor: pointer; padding-block: 14px; }
.pdf-page-text { white-space: pre-line; margin-block: 24px; }
.pdf-page-text + .pdf-page-text { border-top: 1px solid var(--quiet-color); padding-top: 24px; }
@media (max-width: 640px) {
    .desktop-submenu { display: none; }
    .mobile-menu .mobile-training > summary { width: auto; height: auto; display: block; padding: 12px 20px; border: 0; border-radius: 0; font-size: 14px; }
    .training-submenu-mobile .mobile-menu-link { padding-left: 32px; }
    .training-submenu-mobile > * + * { border-top: 1px solid var(--quiet-color); }
}