:root {
    color-scheme: dark;
    --background: #080c0b;
    --surface: #101815;
    --surface-raised: #15231d;
    --border: #2b4035;
    --text: #eff8f2;
    --muted: #9fb2a7;
    --accent: #55d98a;
    --accent-soft: #b8f4cf;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--background);
    color: var(--text);
}

* {
    box-sizing: border-box;
}

body {
    min-width: 20rem;
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(rgba(85, 217, 138, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(85, 217, 138, 0.035) 1px, transparent 1px),
        var(--background);
    background-size: 3rem 3rem;
}

main {
    width: min(70rem, calc(100% - 2rem));
    margin: 0 auto;
    padding: clamp(3rem, 8vw, 7rem) 0;
}

.skip-link {
    position: fixed;
    z-index: 1;
    top: 1rem;
    left: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 0.35rem;
    background: var(--accent);
    color: #041109;
    font-weight: 800;
    transform: translateY(-200%);
}

.skip-link:focus {
    transform: translateY(0);
    outline: 0.2rem solid var(--accent-soft);
    outline-offset: 0.2rem;
}

.hero {
    max-width: 56rem;
}

.eyebrow,
.time-window {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent);
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    max-width: 12ch;
    margin-bottom: 1.25rem;
    font-size: clamp(3rem, 9vw, 6.75rem);
    line-height: 0.92;
    letter-spacing: -0.07em;
}

.intro {
    max-width: 46rem;
    margin-bottom: 2.5rem;
    color: var(--muted);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.7;
}

.time-window {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    max-width: 38rem;
    color: var(--accent-soft);
}

.time-window__track {
    position: relative;
    height: 0.5rem;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
}

.time-window__track::after {
    position: absolute;
    inset: 0;
    width: 42%;
    margin: auto;
    border-radius: inherit;
    background: var(--accent);
    content: "";
}

.results {
    margin-top: clamp(4rem, 10vw, 8rem);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: rgba(16, 24, 21, 0.94);
    box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.25);
}

.results__heading {
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-bottom: 1px solid var(--border);
}

.results__heading .eyebrow {
    margin-bottom: 0.6rem;
}

h2 {
    margin-bottom: 0;
    font-size: clamp(1.5rem, 4vw, 2.4rem);
    letter-spacing: -0.035em;
}

#results-title:focus {
    outline: 0.2rem solid var(--accent);
    outline-offset: 0.35rem;
}

.summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin: 1rem 0 0;
    padding: 0;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem;
    list-style: none;
}

.summary li + li::before {
    margin-right: 1rem;
    color: var(--border);
    content: "/";
}

.empty-state {
    margin: 0;
    padding: clamp(1.5rem, 5vw, 3.5rem);
    color: var(--muted);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    min-width: 72rem;
    border-collapse: collapse;
}

th,
td {
    padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem);
    text-align: left;
    vertical-align: top;
}

thead {
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

thead th {
    background: var(--surface-raised);
}

tbody tr {
    border-top: 1px solid var(--border);
}

tbody th {
    width: 20%;
    color: var(--text);
    font-size: 1.05rem;
}

.country-code {
    display: inline-block;
    margin-left: 0.5rem;
    color: var(--accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

.matching-times {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.matching-times li {
    display: inline-flex;
    gap: 0.65rem;
    align-items: baseline;
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 0.35rem;
    background: var(--surface-raised);
    color: var(--muted);
}

.matching-times time {
    color: var(--accent-soft);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-weight: 700;
}

.provider-status {
    margin: 0;
    color: var(--muted);
    font-weight: 700;
    line-height: 1.4;
}

.provider-status--available {
    color: var(--accent);
}

.provider-status--unknown-time {
    color: #f1c96a;
}

.provider-locations {
    display: grid;
    gap: 0.45rem;
    margin: 0.75rem 0 0;
    padding: 0;
    list-style: none;
}

.provider-locations li {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.45rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
}

.protocols {
    color: var(--accent-soft);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.provider-updates {
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-top: 1px solid var(--border);
}

.provider-updates h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
}

.provider-updates dl {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    margin: 0;
}

.provider-updates dl > div {
    display: grid;
    gap: 0.2rem;
}

.provider-updates dt {
    color: var(--muted);
    font-size: 0.8rem;
}

.provider-updates dd {
    margin: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem;
}

a {
    color: var(--accent-soft);
}

a:focus-visible {
    outline: 0.2rem solid var(--accent);
    outline-offset: 0.25rem;
    border-radius: 0.15rem;
}

.calculation {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: baseline;
    margin: 1rem 0 0;
    color: var(--muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85rem;
}

.calculation time,
.refresh-link {
    color: var(--accent-soft);
}

.refresh-link {
    font-weight: 700;
}

.site-footer {
    display: grid;
    gap: 0.75rem;
    max-width: 60rem;
    margin: 2rem auto 0;
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

.site-footer p {
    margin: 0;
}

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

@media (max-width: 52rem) {
    .table-wrap {
        overflow: visible;
    }

    table {
        display: block;
        min-width: 0;
    }

    thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    tbody,
    tbody tr {
        display: grid;
    }

    tbody tr {
        gap: 1rem;
        padding: 1.25rem;
        border-top: 1px solid var(--border);
    }

    tbody th,
    tbody td {
        display: block;
        width: auto;
        padding: 0;
    }

    tbody th::before,
    tbody td::before {
        display: block;
        margin-bottom: 0.35rem;
        color: var(--muted);
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        font-size: 0.7rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        content: attr(data-label);
    }

    tbody th {
        font-size: 1.1rem;
    }
}

@media (max-width: 36rem) {
    main {
        width: min(100% - 1.25rem, 70rem);
        padding-top: 3rem;
    }

    h1 {
        font-size: clamp(2.75rem, 16vw, 4.5rem);
    }

    .time-window {
        gap: 0.65rem;
    }
}