.thai-datetime-source {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.thai-datetime-control {
    --thai-date-focus: #17653d;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    container: thai-datetime / inline-size;
    font-family: "Prompt", "Noto Sans Thai", sans-serif;
}

.thai-datetime-date-group,
.thai-datetime-time-group {
    display: grid;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.thai-datetime-date-group {
    grid-template-columns: minmax(68px, .72fr) minmax(128px, 1.45fr) minmax(94px, .9fr);
    flex: 1 1 310px;
    max-width: 100%;
}

.thai-datetime-time-group {
    grid-template-columns: minmax(72px, 1fr) auto minmax(72px, 1fr) auto;
    flex: 0 1 230px;
}

.thai-datetime-select {
    width: 100%;
    min-width: 0;
    height: 44px;
    margin: 0;
    padding: 0 30px 0 10px;
    border: 1px solid #cbd5ce;
    border-radius: 9px;
    background-color: #fff;
    color: #173c2b;
    font: inherit;
    font-size: .9rem;
    line-height: 1.35;
    cursor: pointer;
}

.thai-datetime-select:focus-visible {
    border-color: var(--thai-date-focus);
    outline: 3px solid rgba(23, 101, 61, .18);
    outline-offset: 1px;
}

.thai-datetime-select:disabled {
    cursor: not-allowed;
    background: #f1f5f2;
    color: #607068;
    opacity: 1;
}

.thai-datetime-control.is-invalid .thai-datetime-select:invalid {
    border-color: #b42318;
}

.thai-datetime-time-separator,
.thai-datetime-time-suffix {
    color: #385548;
    font-size: .9rem;
    white-space: nowrap;
}

.thai-datetime-time-separator {
    font-weight: 700;
}

@media (max-width: 520px) {
    .thai-datetime-control.is-datetime-local {
        align-items: stretch;
        flex-direction: column;
    }

    .thai-datetime-date-group,
    .thai-datetime-time-group {
        width: 100%;
        flex-basis: auto;
    }

    .thai-datetime-date-group {
        grid-template-columns: minmax(58px, .7fr) minmax(112px, 1.4fr) minmax(88px, .9fr);
    }
}

/* Defensive containment: narrow hosts must reflow instead of painting over siblings. */
@container thai-datetime (max-width: 301px) {
    .thai-datetime-date-group {
        grid-template-columns: minmax(56px, .7fr) minmax(90px, 1.35fr) minmax(78px, .85fr);
        gap: 6px;
    }

    .thai-datetime-select {
        padding-right: 24px;
        padding-left: 8px;
    }
}

@container thai-datetime (max-width: 235px) {
    .thai-datetime-date-group {
        grid-template-columns: 1fr;
    }
}

@supports not (container-type: inline-size) {
    .thai-datetime-date-group {
        grid-template-columns: minmax(0, .72fr) minmax(0, 1.45fr) minmax(0, .9fr);
    }

    @media (max-width: 320px) {
        .thai-datetime-date-group {
            grid-template-columns: 1fr;
        }
    }
}