:root {
    --bg: hsl(0 0% 98%);
    --text: hsl(200 15% 8%);
    --elements: hsl(0 0% 100%);
    --input: hsl(0 0% 40%);
}

[data-theme='dark'] {
    --bg: hsl(207 26% 17%);
    --text: hsl(0 0% 100%);
    --elements: hsl(209 23% 22%);
    --input: hsl(0 0% 98%);
}

* {
    box-sizing: border-box
}

body {
    font-family: system-ui, Segoe UI, Roboto, Arial;
    margin: 0;
    background: var(--bg);
    color: var(--text)
}

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden
}

.skip-link:focus {
    position: static;
    width: auto;
    height: auto;
    left: auto;
    padding: .5rem 1rem;
    background: var(--elements);
    border-radius: 4px;
    z-index: 1000
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem
}

.header {
    box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
    background: var(--elements)
}

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

.logo {
    font-size: 1.1rem
}

.theme-toggle {
    background: none;
    border: 0;
    cursor: pointer
}

.theme-toggle:focus {
    outline: 2px solid Highlight;
    outline-offset: 2px
}

.controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin: 2rem 0
}

.search {
    flex: 1;
    padding: .75rem 1rem;
    border-radius: 6px;
    border: 0;
    background: var(--elements);
    color: var(--text)
}

.region-filter {
    padding: .75rem;
    border-radius: 6px;
    border: 0;
    background: var(--elements);
    color: var(--text)
}

.countries {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem
}

.card {
    background: var(--elements);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, .08)
}

.card:focus-within {
    outline: 2px solid Highlight;
    outline-offset: 2px
}

.card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block
}

.card-body {
    padding: 1rem
}

.card h2 {
    margin: 0 0 .5rem
}

.card p {
    margin: .25rem 0;
    color: var(--input);
    font-size: .95rem
}

.no-results {
    padding: 2rem;
    text-align: center
}

.detail .detail-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start
}

.back-btn {
    background: var(--elements);
    border: 0;
    padding: .5rem 1rem;
    border-radius: 6px;
    cursor: pointer
}

.borders {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-top: 1rem
}

.border-chip {
    background: var(--elements);
    padding: .4rem .6rem;
    border-radius: 4px;
    border: 0
}

.border-chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    cursor: pointer
}

.border-chip img {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px
}

.border-chip:focus {
    outline: 2px solid Highlight;
    outline-offset: 2px
}

@media(max-width:700px) {
    .detail .detail-inner {
        grid-template-columns: 1fr
    }

    .container {
        padding: 1rem
    }

    .controls {
        flex-direction: column;
        align-items: stretch
    }
}