.bf-date-time-picker {
    --bf-dtp-surface: var(--report-surface, var(--panel, #ffffff));
    --bf-dtp-surface-soft: var(--report-surface-soft, var(--input, #f4f7fb));
    --bf-dtp-border: var(--report-border, var(--border, #d5dfe2));
    --bf-dtp-text: var(--report-text, var(--text, #18272d));
    --bf-dtp-muted: var(--report-muted, var(--muted, #607077));
    --bf-dtp-accent: var(--report-primary, var(--accent, #105193));
    --bf-dtp-on-accent: var(--report-on-primary, light-dark(#ffffff, #111720));
    position: relative;
    width: 100%;
}
.bf-date-time-trigger { align-items: stretch; display: flex; margin-top: 5px; width: 100%; }
.bf-date-time-display { border-bottom-right-radius: 0 !important; border-top-right-radius: 0 !important; flex: 1 1 auto; margin-top: 0 !important; min-width: 0; }
.bf-date-time-toggle {
    background: var(--bf-dtp-surface-soft);
    border: 1px solid var(--bf-dtp-border);
    border-left: 0;
    border-radius: 0 8px 8px 0;
    color: var(--bf-dtp-text);
    cursor: pointer;
    font: inherit;
    min-width: 42px;
    padding: 6px;
}
.bf-date-time-popup {
    box-sizing: border-box;
    background: var(--bf-dtp-surface);
    border: 1px solid var(--bf-dtp-border);
    border-radius: 12px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, .24);
    color: var(--bf-dtp-text);
    display: flex;
    flex-direction: column;
    margin-top: 6px;
    max-height: min(440px, calc(100dvh - 120px));
    scroll-margin-block: 12px 90px;
    padding: 10px;
    width: 100%;
}
.bf-date-time-popup[hidden] { display: none; }
/* Expand in the form like the mock-up; only the picker contents scroll. */
.bf-date-time-split { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); min-height: 0; overflow: auto; padding: 3px; }
.bf-date-time-pane { min-width: 0; }
.bf-date-time-clock-pane { padding: 0; }
.bf-date-time-calendar-header { align-items: center; display: flex; gap: 6px; justify-content: space-between; margin-bottom: 8px; }
.bf-date-time-month { font-weight: 600; }
.bf-date-time-nav,
.bf-date-time-action {
    background: transparent;
    border: 1px solid var(--bf-dtp-border);
    border-radius: 7px;
    color: var(--bf-dtp-text);
    cursor: pointer;
    font: inherit;
    min-height: 34px;
    padding: 5px 9px;
}
.bf-date-time-nav { font-size: 1.25rem; line-height: 1; min-width: 34px; padding: 0; }
.bf-date-time-nav:hover,
.bf-date-time-action:hover,
.bf-date-time-toggle:hover { background: var(--bf-dtp-surface-soft); }
.bf-date-time-calendar { display: grid; gap: 3px; grid-template-columns: repeat(7, minmax(0, 1fr)); }
.bf-date-time-weekdays span { color: var(--bf-dtp-muted); font-size: .72rem; padding: 5px 0; text-align: center; }
.bf-date-time-day {
    background: transparent;
    border: 0;
    border-radius: 7px;
    color: var(--bf-dtp-text);
    cursor: pointer;
    font: inherit;
    min-height: 31px;
    min-width: 0;
    padding: 0;
}
.bf-date-time-day:hover { background: var(--bf-dtp-surface-soft); }
.bf-date-time-day.is-outside { color: var(--bf-dtp-muted); opacity: .62; }
.bf-date-time-day.is-today { box-shadow: inset 0 0 0 1px var(--bf-dtp-accent); }
.bf-date-time-day.is-selected,
.bf-date-time-number.is-selected,
.bf-date-time-part[data-active="true"] { background: var(--bf-dtp-accent); color: var(--bf-dtp-on-accent); }
.bf-date-time-readout { align-items: center; display: flex; gap: 5px; justify-content: center; }
.bf-date-time-part {
    background: var(--bf-dtp-surface-soft);
    border: 1px solid var(--bf-dtp-border);
    border-radius: 8px;
    color: var(--bf-dtp-text);
    font: inherit;
    font-size: 1.08rem;
    font-weight: 500;
    min-width: 48px;
    padding: 7px;
    text-align: center;
    width: 48px !important;
}
.bf-date-time-separator { font-weight: 700; }
.bf-date-time-hint { color: var(--bf-dtp-muted); font-size: .72rem; margin: 8px 0; text-align: center; }
.bf-date-time-clock {
    aspect-ratio: 1;
    background: var(--bf-dtp-surface-soft);
    border: 1px solid var(--bf-dtp-border);
    border-radius: 50%;
    margin: 0 auto;
    max-width: 192px;
    position: relative;
    touch-action: none;
    user-select: none;
    width: 100%;
}
.bf-date-time-hand {
    background: var(--bf-dtp-accent);
    bottom: 50%;
    left: calc(50% - 1px);
    pointer-events: none;
    position: absolute;
    transform-origin: 50% 100%;
    width: 2px;
    z-index: 1;
}
.bf-date-time-hand::before { background: var(--bf-dtp-accent); border-radius: 50%; content: ""; height: 10px; left: -4px; position: absolute; top: -5px; width: 10px; }
.bf-date-time-hub { background: var(--bf-dtp-accent); border-radius: 50%; height: 8px; left: calc(50% - 4px); pointer-events: none; position: absolute; top: calc(50% - 4px); width: 8px; z-index: 3; }
.bf-date-time-number {
    align-items: center;
    background: transparent;
    border: 0;
    border-radius: 50%;
    color: var(--bf-dtp-text);
    cursor: pointer;
    display: flex;
    font: inherit;
    font-size: .75rem;
    height: 24px;
    justify-content: center;
    padding: 0;
    position: absolute;
    transform: translate(-50%, -50%);
    width: 24px;
    z-index: 2;
}
.bf-date-time-number:hover { box-shadow: inset 0 0 0 1px var(--bf-dtp-accent); }
.bf-date-time-actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: 8px; justify-content: flex-end; margin-top: 10px; }
.bf-date-time-action-primary { background: var(--bf-dtp-accent); border-color: var(--bf-dtp-accent); color: var(--bf-dtp-on-accent); }
.bf-date-time-action-primary:hover { filter: brightness(1.08); }
.bf-date-time-picker button:focus-visible,
.bf-date-time-picker input:focus-visible { outline: 2px solid var(--bf-dtp-accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
    .bf-date-time-picker * { scroll-behavior: auto !important; }
}