.observation-section,
.forecast-area,
.weather-page-heading {
    width: min(880px, 100%);
    margin-inline: auto;
}

.observation-section + .observation-section {
    margin-top: 48px;
}

.representative-weather-card,
.airport-weather-card {
    overflow: visible;
    border-radius: 26px;
    background: var(--surface-soft);
}

.representative-weather-main,
.airport-weather-main {
    padding: 28px 28px 0;
}

.representative-weather-main > div:first-child,
.airport-temperature {
    padding: 2px 2px 24px;
    border-bottom: 1px solid var(--border);
}

.representative-weather-main > div:first-child > span,
.airport-temperature > span {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.representative-weather-main > div:first-child > strong,
.airport-temperature > strong {
    display: flex;
    align-items: baseline;
    gap: 5px;
    font-size: clamp(3.25rem, 9vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.07em;
}

.representative-weather-main > div:first-child small,
.airport-temperature small {
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.observation-summary-grid,
.airport-weather-summary,
.station-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 0;
}

.observation-summary-grid > div,
.airport-weather-summary > div {
    min-width: 0;
    padding: 20px 14px;
    border-right: 1px solid var(--border);
}

.observation-summary-grid > div:first-child,
.airport-weather-summary > div:first-child {
    padding-left: 2px;
}

.observation-summary-grid > div:last-child,
.airport-weather-summary > div:last-child {
    border-right: 0;
}

.observation-summary-grid dt,
.airport-weather-summary dt,
.station-summary-grid dt {
    margin-bottom: 4px;
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.observation-summary-grid dd,
.airport-weather-summary dd,
.station-summary-grid dd {
    margin: 0;
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 700;
}

.observation-card-actions {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    min-height: 68px;
    margin: 0 28px;
    gap: 12px;
    border-top: 1px solid var(--border);
}

.all-observation-details {
    min-width: 0;
    flex: 1;
}

.all-observation-details > summary {
    display: flex;
    align-items: center;
    min-height: 68px;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    font-size: 0.9375rem;
    font-weight: 700;
}

.all-observation-details > summary::-webkit-details-marker,
.station-information > summary::-webkit-details-marker {
    display: none;
}

.all-observation-details > summary::after {
    margin-left: 8px;
    color: var(--text-tertiary);
    content: "⌄";
    font-size: 1rem;
}

.all-observation-details[open] > summary::after {
    content: "⌃";
}

.measurement-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0 0 20px;
    padding: 0;
    border-radius: 16px;
    background: var(--surface);
}

.measurement-grid > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 0;
    min-height: 52px;
    padding: 10px 14px;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.measurement-grid > div:nth-child(odd) {
    border-right: 1px solid var(--border);
}

.measurement-grid dt {
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.measurement-grid dd {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 700;
    text-align: right;
}

.measurement-grid dd small {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.station-information {
    position: relative;
    flex: 0 0 44px;
    margin-top: 12px;
}

.station-information > summary {
    border-radius: 14px;
    color: var(--text-secondary);
    list-style: none;
    font-size: 1.05rem;
}

.station-information > summary:hover {
    color: var(--accent);
    background: var(--surface-hover);
}

.station-information[open]::before {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(0, 0, 0, 0.42);
    content: "";
}

.station-information-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 301;
    width: min(440px, calc(100% - 32px));
    max-height: min(680px, calc(100vh - 40px));
    overflow-y: auto;
    padding: 24px;
    border-radius: 24px;
    background: var(--surface-raised);
    box-shadow: var(--shadow-floated);
    transform: translate(-50%, -50%);
}

.station-information-panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.station-information-panel-heading h3,
.station-information-panel-heading h4 {
    margin: 0;
    font-size: 1.125rem;
    letter-spacing: -0.03em;
}

.station-information-close {
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 14px;
    color: var(--text-secondary);
    background: var(--surface-soft);
    cursor: pointer;
    font-size: 1.5rem;
}

.station-information-panel dl {
    margin: 0;
}

.station-information-panel dl > div {
    display: grid;
    grid-template-columns: minmax(96px, 0.8fr) minmax(0, 1.5fr);
    min-height: 44px;
    padding: 11px 0;
    gap: 16px;
    border-bottom: 1px solid var(--border);
}

.station-information-panel dl > div:last-child {
    border-bottom: 0;
}

.station-information-panel dt {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
}

.station-information-panel dd {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: right;
}

.weather-section-heading {
    margin-bottom: 16px;
}

.observation-station-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: hidden;
    border-radius: 24px;
    background: var(--surface-soft);
}

.observation-station-card {
    min-width: 0;
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.observation-station-card:nth-child(odd) {
    border-right: 1px solid var(--border);
}

.observation-card-heading h3 {
    margin: 0;
    font-size: 1.0625rem;
    letter-spacing: -0.03em;
}

.station-temperature {
    display: flex;
    align-items: baseline;
    margin-top: 16px;
    gap: 4px;
}

.station-temperature strong {
    font-size: 2.25rem;
    line-height: 1.1;
    letter-spacing: -0.055em;
}

.station-temperature span {
    font-weight: 700;
}

.station-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 18px;
    gap: 14px 20px;
}

.observation-station-card .observation-card-actions {
    margin: 20px 0 0;
}

@media (max-width: 700px) {
    .representative-weather-main,
    .airport-weather-main {
        padding: 22px 20px 0;
    }

    .observation-summary-grid,
    .airport-weather-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .observation-summary-grid > div,
    .airport-weather-summary > div {
        padding: 16px 10px;
        border-bottom: 1px solid var(--border);
    }

    .observation-summary-grid > div:nth-child(2),
    .airport-weather-summary > div:nth-child(2) {
        border-right: 0;
    }

    .observation-summary-grid > div:nth-child(3),
    .airport-weather-summary > div:nth-child(3) {
        padding-left: 2px;
        border-bottom: 0;
    }

    .observation-summary-grid > div:nth-child(4),
    .airport-weather-summary > div:nth-child(4) {
        border-bottom: 0;
        border-right: 0;
    }

    .observation-card-actions {
        margin-inline: 20px;
    }

    .measurement-grid {
        grid-template-columns: 1fr;
    }

    .measurement-grid > div:nth-child(odd) {
        border-right: 0;
    }

    .observation-station-grid {
        grid-template-columns: 1fr;
    }

    .observation-station-card:nth-child(odd) {
        border-right: 0;
    }

    .observation-station-card:last-child {
        border-bottom: 0;
    }
}

@media (max-width: 520px) {
    .representative-weather-card,
    .airport-weather-card,
    .observation-station-grid {
        border-radius: 20px;
    }

    .representative-weather-main > div:first-child > strong,
    .airport-temperature > strong {
        font-size: 3.25rem;
    }

    .observation-station-card {
        padding: 22px 20px;
    }

    .station-information-panel {
        top: auto;
        bottom: 8px;
        width: calc(100% - 16px);
        max-height: calc(100vh - 24px);
        border-radius: 24px;
        transform: translateX(-50%);
    }
}