:root {
    --site-sidebar-width: 268px;
}

body.site-nav-enabled {
    transition: padding-left 180ms ease;
}

body.site-nav-enabled.site-nav-open {
    padding-left: var(--site-sidebar-width);
}

.site-sidebar {
    position: fixed;
    z-index: 95;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--site-sidebar-width);
    display: flex;
    flex-direction: column;
    padding: 20px 18px 28px;
    overflow-y: auto;
    border-right: 3px solid var(--ink);
    color: var(--text);
    background:
        linear-gradient(
            color-mix(in srgb, var(--surface) 92%, transparent),
            color-mix(in srgb, var(--surface-muted) 94%, transparent)
        ),
        url("./assets/background.png") center / cover;
    box-shadow: 8px 0 24px color-mix(in srgb, var(--ink) 22%, transparent);
    transform: translateX(calc(-100% - 12px));
    transition: transform 180ms ease;
}

.site-sidebar.site-sidebar-open {
    transform: translateX(0);
}

.site-nav-header {
    min-height: 62px;
    padding: 5px 72px 18px 3px;
    border-bottom: 2px dashed color-mix(in srgb, var(--text) 24%, transparent);
}

.site-nav-brand {
    color: var(--text);
    font-size: 1.3rem;
    font-weight: 950;
    letter-spacing: -0.04em;
    text-decoration: none;
}

.site-nav-brand::first-letter {
    color: var(--accent-cyan);
}

.site-nav-menu {
    margin-top: 22px;
}

.site-nav-list {
    display: grid;
    gap: 11px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav-link {
    --nav-fill: var(--surface-muted);
    display: flex;
    min-height: 51px;
    align-items: center;
    padding: 9px 15px;
    border: 7px solid transparent;
    border-image-source: var(--button-frame-image);
    border-image-slice: 100;
    border-image-width: 9px;
    border-image-outset: 1px;
    border-image-repeat: round;
    border-radius: 8px;
    color: var(--text);
    background:
        linear-gradient(var(--nav-fill), var(--nav-fill)) padding-box,
        linear-gradient(
            color-mix(in srgb, var(--nav-fill) 94%, var(--ink)),
            color-mix(in srgb, var(--nav-fill) 94%, var(--ink))
        ) border-box;
    box-shadow: 2px 2px 0 color-mix(in srgb, var(--ink) 19%, transparent);
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    transition: color 130ms ease, transform 130ms ease;
}

.site-nav-link:hover {
    --nav-fill: color-mix(in srgb, var(--primary) 14%, var(--surface));
    color: var(--primary);
    transform: translateX(3px) rotate(-0.25deg);
}

.site-nav-link-current {
    --nav-fill: color-mix(in srgb, var(--accent-cyan) 21%, var(--surface));
    color: var(--text);
}

.site-nav-link-external::after {
    margin-left: auto;
    color: var(--muted);
    content: "\2197\FE0E";
    font-family: Arial, "Helvetica Neue", sans-serif;
    font-variant-emoji: text;
    font-size: 1rem;
}

.site-nav-version {
    margin-top: auto;
    padding: 28px 8px 0;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
    opacity: 0.48;
}

.site-nav-toggle {
    --toggle-fill: var(--menu-button-color);
    position: fixed;
    z-index: 96;
    top: 18px;
    left: 18px;
    display: inline-flex;
    min-width: 112px;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 14px;
    border: 7px solid transparent;
    border-image-source: var(--button-frame-image);
    border-image-slice: 100;
    border-image-width: 9px;
    border-image-outset: 1px;
    border-image-repeat: round;
    border-radius: 8px;
    color: #ffffff;
    background:
        linear-gradient(var(--toggle-fill), var(--toggle-fill)) padding-box,
        linear-gradient(
            color-mix(in srgb, var(--toggle-fill) 86%, var(--ink)),
            color-mix(in srgb, var(--toggle-fill) 86%, var(--ink))
        ) border-box;
    box-shadow: 3px 3px 0 color-mix(in srgb, var(--ink) 28%, transparent);
    font-weight: 900;
    text-shadow: var(--outlined-text-shadow) !important;
    cursor: pointer;
    transition: left 180ms ease, transform 130ms ease;
}

body.site-nav-open .site-nav-toggle {
    left: calc(var(--site-sidebar-width) - 126px);
}

.site-nav-toggle:hover {
    --toggle-fill: var(--menu-button-hover);
    transform: translateY(-1px) rotate(-0.35deg);
}

.site-nav-toggle-icon::before {
    content: "\2630\FE0E";
    font-family: Arial, "Helvetica Neue", sans-serif;
    font-variant-emoji: text;
    font-size: 1.15rem;
    line-height: 1;
}

body.site-nav-open .site-nav-toggle-icon::before {
    content: "\00D7";
    font-size: 1.5rem;
}

.site-nav-overlay {
    position: fixed;
    z-index: 94;
    inset: 0;
    border: 0;
    background: var(--scrim);
    backdrop-filter: blur(3px);
    cursor: pointer;
}

/* Home */
.home-hero,
.home-how,
.home-daily-card {
    margin-top: 32px;
}

.home-actions,
.daily-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    justify-content: center;
    margin-top: 25px;
}

.home-how {
    padding: clamp(24px, 5vw, 42px);
}

.home-how .card-heading {
    justify-content: center;
    text-align: center;
}

.home-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
}

.home-step {
    --step-fill: color-mix(in srgb, var(--surface-muted) var(--ui-panel-opacity), transparent);
    min-width: 0;
    padding: 20px 17px;
    border: 7px solid transparent;
    border-image-source: var(--outline-frame-image);
    border-image-slice: 100;
    border-image-width: 10px;
    border-image-outset: 2px;
    border-image-repeat: round;
    border-radius: 9px;
    background:
        linear-gradient(var(--step-fill), var(--step-fill)) padding-box,
        linear-gradient(var(--surface-muted), var(--surface-muted)) border-box;
    box-shadow: 2px 2px 0 color-mix(in srgb, var(--ink) 15%, transparent);
}

.home-step:nth-child(2) {
    transform: rotate(-0.25deg);
}

.home-step-number {
    display: inline-grid;
    min-width: 42px;
    min-height: 35px;
    margin-bottom: 14px;
    place-items: center;
    border: 2px solid var(--ink);
    border-radius: 999px;
    color: #ffffff;
    background: var(--action-primary);
    font-weight: 900;
    text-shadow: var(--outlined-text-shadow) !important;
}

.home-step:nth-child(2) .home-step-number {
    background: var(--action-secondary);
}

.home-step:nth-child(3) .home-step-number {
    background: var(--action-utility);
}

.home-step-copy h3 {
    margin: 0 0 9px;
    font-size: 1.05rem;
}

.home-step-copy p {
    margin: 0;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.55;
}

.home-daily-card {
    padding: clamp(26px, 5vw, 42px);
    text-align: center;
}

/* Daily challenge */
.daily-card {
    margin-top: 34px;
    padding: clamp(24px, 5vw, 42px);
}

.daily-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 2px dashed color-mix(in srgb, var(--text) 23%, transparent);
}

.daily-header h2 {
    margin: 5px 0 0;
}

.daily-date {
    flex: none;
    padding: 7px 12px;
    border: 2px solid var(--ink);
    border-radius: 999px;
    color: #ffffff;
    background: var(--action-utility);
    font-weight: 900;
    text-shadow: var(--outlined-text-shadow) !important;
}

.daily-pair {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 74px minmax(0, 1fr);
    gap: 18px;
    align-items: center;
    margin-top: 26px;
    padding: 22px;
    border: 2px dashed color-mix(in srgb, var(--text) 28%, transparent);
    border-radius: 13px;
    background: color-mix(in srgb, var(--surface-muted) 72%, transparent);
}

.daily-endpoint {
    min-width: 0;
}

.daily-endpoint:last-child {
    text-align: right;
}

.daily-arrow {
    display: grid;
    width: 74px;
    height: 66px;
    place-items: center;
}

.daily-arrow img {
    width: 68px;
    height: 68px;
    object-fit: contain;
    filter: var(--arrow-contrast-filter);
}

.daily-status {
    max-width: 650px;
    margin: 22px auto 0;
    color: var(--muted);
    font-size: 0.9rem;
    text-align: center;
}

.daily-error {
    margin-top: 24px;
}

.daily-completion {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 14px;
    align-items: center;
    justify-content: center;
    margin-top: 24px;
    padding: 14px 18px;
    border: 2px solid var(--ink);
    border-radius: 11px;
    background: color-mix(in srgb, var(--accent-cyan) 18%, var(--surface));
}

.daily-completion strong {
    color: var(--text);
    font-weight: 950;
}

.daily-completion span {
    color: var(--muted);
    font-size: 0.88rem;
}

.daily-stats-card {
    margin-top: 32px;
    padding: clamp(24px, 5vw, 42px);
}

.daily-stats-card .card-heading {
    justify-content: center;
    text-align: center;
}

.daily-stats-grid {
    margin-top: 27px;
}

.daily-stats-note {
    max-width: 680px;
    margin: 21px auto 0;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.55;
    text-align: center;
}

.daily-result-note {
    margin: 0 0 25px;
    padding: 13px 17px;
    border: 2px solid var(--ink);
    border-radius: 10px;
    color: var(--text);
    background: color-mix(in srgb, var(--accent-cyan) 18%, var(--surface));
    font-weight: 850;
    line-height: 1.45;
    text-align: center;
}

.daily-result-note[data-kind="archive"] {
    background: color-mix(in srgb, var(--accent-yellow) 20%, var(--surface));
}

.title-card .archive-page-heading {
    font-size: clamp(1.55rem, 9.5cqi, 4.4rem);
}

.archive-page .challenge-form {
    max-width: 580px;
    margin: 28px auto 0;
}

.archive-page .picker-field {
    text-align: left;
}

.archive-page #archive-content {
    margin-top: 32px;
    padding-top: 30px;
    border-top: 2px dashed color-mix(in srgb, var(--text) 24%, transparent);
}

/* Privacy policy */
.privacy-intro,
.privacy-summary,
.privacy-policy-card {
    margin-top: 32px;
}

.privacy-page-heading {
    gap: 18px;
}

.title-card .privacy-page-heading {
    font-size: clamp(1.55rem, 9.5cqi, 4.4rem);
}

.privacy-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin: 24px 0 0;
}

.privacy-dates > div {
    min-width: 190px;
    padding: 10px 16px;
    border: 2px solid var(--ink);
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface-muted) 76%, transparent);
    text-align: center;
}

.privacy-dates dt {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.privacy-dates dd {
    margin: 3px 0 0;
    font-weight: 900;
}

.privacy-summary {
    padding: clamp(24px, 5vw, 40px);
}

.privacy-summary .panel-content > h2 {
    margin: 8px 0 0;
    text-align: center;
}

.privacy-summary-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.privacy-summary-list li {
    padding: 16px 18px;
    border: 2px dashed color-mix(in srgb, var(--text) 30%, transparent);
    border-radius: 10px;
    background: color-mix(in srgb, var(--surface-muted) 72%, transparent);
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.privacy-summary-list strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text);
}

.privacy-policy-card {
    padding: clamp(26px, 5vw, 48px);
}

.privacy-policy-copy {
    max-width: 76ch;
    margin: 0 auto;
}

.privacy-policy-copy section + section {
    margin-top: 38px;
    padding-top: 34px;
    border-top: 2px dashed color-mix(in srgb, var(--text) 24%, transparent);
}

.privacy-policy-copy h2 {
    margin: 0 0 16px;
    color: var(--text);
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    line-height: 1.2;
}

.privacy-policy-copy h3 {
    margin: 26px 0 9px;
    color: var(--text);
    font-size: 1rem;
}

.privacy-policy-copy p,
.privacy-policy-copy li {
    color: var(--muted);
    line-height: 1.72;
}

.privacy-policy-copy p {
    margin: 0 0 15px;
}

.privacy-policy-copy ul {
    display: grid;
    gap: 9px;
    margin: 0 0 18px;
    padding-left: 1.35rem;
}

.privacy-policy-copy strong,
.privacy-policy-copy code {
    color: var(--text);
}

.privacy-policy-copy a {
    color: var(--primary);
    font-weight: 800;
    text-underline-offset: 0.18em;
}

.privacy-policy-copy a:hover {
    color: var(--accent-pink);
}

@media (max-width: 980px) {
    .home-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    body.site-nav-enabled,
    body.site-nav-enabled.site-nav-open {
        padding-left: 0;
    }

    .site-sidebar {
        width: min(var(--site-sidebar-width), 84vw);
    }

    body.site-nav-open .site-nav-toggle {
        left: min(calc(var(--site-sidebar-width) - 126px), calc(84vw - 126px));
    }

    .site-nav-overlay:not([hidden]) {
        display: block;
    }

    .daily-header {
        align-items: center;
        flex-direction: column;
        text-align: center;
    }

    .daily-pair {
        grid-template-columns: minmax(0, 1fr);
        gap: 7px;
    }

    .daily-endpoint,
    .daily-endpoint:last-child {
        text-align: center;
    }

    .daily-arrow {
        width: 56px;
        height: 50px;
        margin: 0 auto;
        transform: rotate(90deg);
    }

    .daily-arrow img {
        width: 54px;
        height: 54px;
    }

    .privacy-summary-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .site-nav-toggle {
        min-width: 102px;
        min-height: 49px;
        padding-inline: 12px;
    }

    body.site-nav-open .site-nav-toggle {
        left: min(calc(var(--site-sidebar-width) - 114px), calc(84vw - 114px));
    }

    .home-actions,
    .daily-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .home-actions > *,
    .daily-actions > * {
        width: 100%;
    }

    .home-step {
        padding: 18px 15px;
    }

    .privacy-dates {
        display: grid;
    }

    .privacy-dates > div {
        min-width: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.site-nav-enabled,
    .site-sidebar,
    .site-nav-toggle,
    .site-nav-link {
        transition-duration: 0.01ms !important;
    }
}

@media (forced-colors: active) {
    .site-sidebar,
    .site-nav-link,
    .site-nav-toggle,
    .home-step,
    .daily-pair,
    .daily-date {
        border: 2px solid CanvasText;
        border-image: none;
        color: CanvasText;
        background: Canvas;
        box-shadow: none;
        text-shadow: none !important;
    }

    .privacy-dates > div,
    .privacy-summary-list li,
    .daily-completion,
    .daily-result-note {
        border: 2px solid CanvasText;
        color: CanvasText;
        background: Canvas;
    }
}