@import url('https://fonts.googleapis.com/css2?family=Farro:wght@300;400;500;700&display=swap');
/* Theme tokens: set data-theme on <html> for alternates; default = no attribute (:root). */
:root {
    --color-page-bg: #f8fafb;
    --color-text: #0f172a;
    --color-link: #0f766e;
    --color-link-hover: #115e59;
    --color-button-bg: #0f766e;
    --color-button-hover: #115e59;
    --color-muted-bg: #e6f4f2;
    --color-nav-bg: #134e4a;
    --color-nav-text: #ffffff;
    --color-surface: #ffffff;
    --color-border: #2b5c58;
    --color-menu-link: #0f172a;
    --color-menu-hover-bg: #dbece9;
    --color-menu-hover-bg-desktop: rgba(255, 255, 255, 0.2);
    --color-focus-ring: #f59e0b;
    --color-shadow: rgba(15, 23, 42, 0.18);
    --color-on-primary: #ffffff;
}

[data-theme="warm"] {
    --color-page-bg: #f5f8ff;
    --color-text: #111827;
    --color-link: #1d4ed8;
    --color-link-hover: #1e40af;
    --color-button-bg: #1d4ed8;
    --color-button-hover: #1e40af;
    --color-muted-bg: #e8efff;
    --color-nav-bg: #1e3a8a;
    --color-nav-text: #ffffff;
    --color-surface: #ffffff;
    --color-border: #c5d2f0;
    --color-menu-link: #0f172a;
    --color-menu-hover-bg: #e9efff;
    --color-menu-hover-bg-desktop: rgba(255, 255, 255, 0.15);
    --color-focus-ring: #f59e0b;
    --color-shadow: rgba(15, 23, 42, 0.16);
    --color-on-primary: #ffffff;
}

[data-theme="soft-dark"] {
    --color-page-bg: #0f172a;
    --color-text: #f8fafc;
    --color-link: #93c5fd;
    --color-link-hover: #bfdbfe;
    --color-button-bg: #2563eb;
    --color-button-hover: #1d4ed8;
    --color-muted-bg: #1e293b;
    --color-nav-bg: #020617;
    --color-nav-text: #f8fafc;
    --color-surface: #111827;
    --color-border: #334155;
    --color-menu-link: #e2e8f0;
    --color-menu-hover-bg: #1f2a44;
    --color-menu-hover-bg-desktop: rgba(255, 255, 255, 0.12);
    --color-focus-ring: #facc15;
    --color-shadow: rgba(2, 6, 23, 0.5);
    --color-on-primary: #ffffff;
}

/* High contrast palette: black background, white text, vivid links. */
[data-theme="high-contrast"] {
    --color-page-bg: #000000;
    --color-text: #ffffff;
    --color-link: #33ccff;
    --color-link-hover: #80e5ff;
    --color-button-bg: #ffffff;
    --color-button-hover: #e5e5e5;
    --color-muted-bg: #1a1a1a;
    --color-nav-bg: #000000;
    --color-nav-text: #ffffff;
    --color-surface: #000000;
    --color-border: #ffffff;
    --color-menu-link: #ffffff;
    --color-menu-hover-bg: #1f1f1f;
    --color-menu-hover-bg-desktop: #1f1f1f;
    --color-focus-ring: #ffbf00;
    --color-shadow: rgba(255, 255, 255, 0.14);
    --color-on-primary: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Farro", sans-serif;
}

body {
    min-height: 100vh;
    background-color: var(--color-page-bg);
    color: var(--color-text);
    font-size: 1.0625rem;
    line-height: 1.5;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
    z-index: 900;
}

body.menu-overlay-active::before {
    opacity: 1;
}

header {
    position: relative;
    z-index: 1002;
}

#site-logo {
    width: clamp(3rem, 8vw, 4.75rem);
    aspect-ratio: 1 / 1;
    display: inline-block;
    background-color: var(--color-nav-text);
    -webkit-mask: url("/images/logo.svg") center / contain no-repeat;
    mask: url("/images/logo.svg") center / contain no-repeat;
    flex-shrink: 0;
}

#main-content a,
footer a {
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

#main-content a:hover,
footer a:hover {
    color: var(--color-link-hover);
}

#main-content h2 {
    text-decoration: underline;
    text-decoration-color: var(--color-nav-bg);
    text-decoration-thickness: 0.14em;
    text-underline-offset: 0.18em;
}

.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lowlight {
    background-color: var(--color-muted-bg);
    padding: 15px;
}

.bottom-spacer {
    margin-bottom: 20px;
}

#site-navigation {
    padding: 1rem;
    background-color: var(--color-nav-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    flex-wrap: wrap;
    gap: 0.5rem;
}

#site-navigation h1 {
    color: var(--color-nav-text);
    font-size: 1.4rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-toggle {
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--color-nav-text);
    background: transparent;
    color: var(--color-nav-text);
    font-size: 1.25rem;
    font-variant: small-caps;
    text-transform: lowercase;
    letter-spacing: 0.04em;
    cursor: pointer;
}

.nav-toggle:focus-visible,
#site-navigation a:focus-visible,
.skip-link:focus-visible,
.theme-option-row input:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

#primary-menu {
    position: absolute;
    top: calc(100%);
    left: 0;
    right: 0;
    width: 100%;
    list-style: none;
    background: var(--color-surface);
    overflow: hidden;
    box-shadow: 0 8px 18px var(--color-shadow);
    z-index: 1000;
    font-size: 1.4rem;
    font-weight: bold;
    font-variant: small-caps;
}

.organisation-container {
    padding: 0 10px;
}

.organisation-container h2 {
    margin: 20px 0;
    font-size: 1.3rem;
    line-height: 1.35;
}

#primary-menu li + li {
    border-top: 1px solid var(--color-border);
}

#primary-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-menu-link);
    text-transform: lowercase;
    text-decoration: none;
}

#primary-menu a:hover {
    background-color: var(--color-menu-hover-bg);
}

.theme-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1001;
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: 0 8px 18px var(--color-shadow);
    padding: 1rem 1rem 1.25rem;
    border-top: 1px solid var(--color-border);
}

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

.theme-fieldset {
    border: 0;
    margin: 0;
    padding: 0;
}

.theme-fieldset-legend {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
    padding: 0;
}

.theme-panel-hint {
    font-size: 0.95rem;
    margin: 0 0 1rem;
    max-width: 40rem;
    line-height: 1.45;
}

.theme-panel-hint--keyboard {
    display: none;
}

.theme-option-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: start;
    gap: 0.65rem 0.75rem;
    padding: 0.65rem 0.5rem;
    margin-bottom: 0.5rem;
    border: 2px solid var(--color-border);
    border-radius: 0.25rem;
    min-height: 3.25rem;
}

.theme-option-row:last-of-type {
    margin-bottom: 0;
}

.theme-option-row:has(input:checked) {
    border-color: var(--color-link);
    box-shadow: 0 0 0 2px var(--color-focus-ring);
}

.theme-option-row input {
    margin-top: 0.35rem;
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-link);
    cursor: pointer;
}

.theme-option-hit {
    display: flex;
    align-items: center;
    min-width: 0;
    cursor: pointer;
    padding: 0.1rem 0;
}

.theme-option-name {
    display: block;
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1.3;
}

.theme-option-desc {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.theme-swatch-strip {
    display: block;
    width: 3.25rem;
    height: 2.75rem;
    margin-top: 0.15rem;
    border-radius: 0.2rem;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0.5rem;
    background: var(--color-surface);
    color: var(--color-text);
    padding: 0.5rem 0.75rem;
}

.skip-link:focus {
    left: 0.5rem;
}

#main-content {
    padding: 20px;
}

#main-content ul {
    list-style-position: inside;
}

.top-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.9rem;
}

.top-list li {
    list-style: none;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.35rem;
    padding: 0.85rem 0.95rem;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.top-list h2 {
    margin: 0;
    font-size: 1.25rem;
    line-height: 1.3;
}

.top-list h2 a {
    color: var(--color-link);
}

.top-list p {
    margin: 0.45rem 0 0;
    font-size: 1.05rem;
    line-height: 1.45;
}

.list-filter-row {
    display: grid;
    gap: 0.4rem;
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 18px var(--color-shadow);
    min-width: 0;
}

.list-filter-row label {
    font-weight: 700;
    font-size: 1.05rem;
}

.list-filter-row select {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-menu-link);
    font-size: 1rem;
    font-weight: 700;
    font-variant: small-caps;
    text-transform: lowercase;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-filter-row select:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

.list-filter-empty {
    margin-top: 1rem;
    background: var(--color-muted-bg);
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.25rem;
}

.org-list-heading-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.35rem 0.75rem;
    margin-bottom: 15px;
}

.org-list-heading-row h2 {
    font-size: 1.5rem;
}

.org-list-heading-row .org-list-scope {
    margin: 0;
    font-size: 1.25rem;
    background-color: var(--color-muted-bg);
    padding: 5px 10px;
    font-weight: bold;
    font-variant: small-caps;
    letter-spacing: 0.04em;
}

@media (min-width: 48rem) {
    .top-list {
        gap: 1rem;
    }

    .top-list li {
        padding: 1rem 1.1rem;
    }
}

footer {
    padding: 20px;
}

.back-button {
    display: inline-block;
    padding: 0.55rem 0.85rem;
    background-color: var(--color-button-bg);
    color: var(--color-on-primary);
    text-decoration: none;
    border-radius: 0.25rem;
    margin: 20px 0;
}

#main-content a.back-button,
#main-content a.back-button:visited {
    color: var(--color-on-primary);
    text-decoration: none;
}

.back-button:hover {
    background-color: var(--color-button-hover);
}

.back-button:focus-visible {
    outline: 3px solid var(--color-focus-ring);
    outline-offset: 2px;
}

@media (min-width: 48rem) {
    #menu-toggle {
        display: none;
    }

    #primary-menu {
        position: static;
        display: flex;
        gap: 0.5rem;
        margin-top: 0.75rem;
        width: auto;
        background: transparent;
        border-radius: 0;
        box-shadow: none;
    }

    #primary-menu li + li {
        border-top: 0;
    }

    #primary-menu a {
        color: var(--color-nav-text);
        border-radius: 0.25rem;
    }

    #primary-menu a:hover {
        background-color: var(--color-menu-hover-bg-desktop);
    }

    .theme-panel {
        left: auto;
        right: 0;
        width: min(22rem, 100%);
        border-radius: 0 0 0.25rem 0.25rem;
        border: 1px solid var(--color-border);
        border-top: 0;
    }

    .theme-panel-hint--keyboard {
        display: block;
        margin-bottom: 0.35rem;
    }

    .theme-option-desc {
        position: static;
        width: auto;
        height: auto;
        padding: 0;
        margin: 0.35rem 0 0;
        overflow: visible;
        clip: auto;
        white-space: normal;
        border: 0;
        font-size: 0.95rem;
        line-height: 1.45;
        font-weight: 400;
    }
}
