.date-time-control { position: relative; width: 100%; min-width: 0; }
.campaign-field > .date-time-control { margin-top: auto; }
.date-time-control > input[type="datetime-local"] { display: block; width: 100%; margin: 0; padding-right: 40px; font-size: 13px; color-scheme: dark; }
.date-time-control > input::-webkit-calendar-picker-indicator { display: none; }
.date-time-toggle { position: absolute; top: 50%; right: 8px; display: grid; place-items: center; width: 32px; height: 32px; padding: 0; transform: translateY(-50%); border: 0; border-radius: 6px; background: transparent; color: var(--text-secondary); cursor: pointer; }
.date-time-toggle:hover:not(:disabled) { color: var(--text-primary); background: var(--bg-card); }
.date-time-toggle:disabled { opacity: .4; cursor: default; }
.date-time-picker { position: fixed; z-index: 19000; width: 320px; max-width: calc(100vw - 24px); max-height: calc(100vh - 24px); overflow-y: auto; padding: 16px; border: 1px solid var(--border-light); border-radius: 12px; background: var(--bg-card); color: var(--text-primary); box-shadow: 0 12px 32px #0008; font-family: inherit; font-size: 13px; line-height: 1.5; animation: date-time-in 120ms ease-out; color-scheme: dark; }
.date-time-picker button, .date-time-picker input { font: inherit; }
.date-time-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; font-weight: 600; }
.date-time-close, .date-time-nav { display: grid; place-items: center; width: 28px; height: 28px; border: 0; border-radius: 6px; background: transparent; color: var(--text-secondary); cursor: pointer; }
.date-time-close { font-size: 21px !important; font-weight: 400; }
.date-time-nav { font-size: 22px !important; }
.date-time-close:hover, .date-time-nav:hover:not(:disabled) { background: var(--bg-hover); color: var(--text-primary); }
.date-time-nav:disabled { opacity: .35; cursor: default; }
.date-time-navigation { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.date-time-month { flex: 1; font-weight: 600; text-transform: capitalize; }
.date-time-year { width: 72px; padding: 5px 7px; border: 1px solid var(--border-light); border-radius: 6px; background: var(--bg-hover); color: var(--text-primary); }
.date-time-week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 3px; }
.date-time-week + .date-time-week { margin-top: 3px; }
.date-time-week > [role="columnheader"] { padding: 3px 0 7px; text-align: center; font-size: 11px; color: var(--text-muted); }
.date-time-day { width: 100%; height: 33px; padding: 0; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--text-primary); cursor: pointer; }
.date-time-day:hover:not(:disabled) { background: var(--bg-hover); }
.date-time-day[aria-current="date"] { border-color: var(--text-muted); }
.date-time-day[aria-pressed="true"], .date-time-day[aria-pressed="true"]:hover { background: var(--accent); color: var(--bg-dark); }
.date-time-day:disabled { color: var(--text-muted); opacity: .4; cursor: default; }
.date-time-fields { display: flex; gap: 10px; padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--border); }
.date-time-field { display: flex; flex: 1; flex-direction: column; gap: 6px; min-width: 0; color: var(--text-secondary); font-size: 11px; }
.date-time-field > input { width: 100%; min-width: 0; padding: 8px 10px; border: 1px solid var(--border-light); border-radius: 6px; background: var(--bg-hover); color: var(--text-primary); font-size: 14px; }
.date-time-picker input:focus-visible { outline: none; border-color: var(--text-muted); box-shadow: 0 0 0 2px #ffffff0b; }
.date-time-picker input[aria-invalid="true"] { border-color: var(--red); }
.date-time-error { margin-top: 10px; font-size: 12px; color: var(--red); }
.date-time-error[hidden] { display: none; }
.date-time-footer { display: flex; align-items: center; gap: 8px; margin-top: 16px; }
.date-time-footer button { min-height: 32px; padding: 6px 9px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--text-secondary); cursor: pointer; font-size: 12px; }
.date-time-footer button:hover { background: var(--bg-hover); color: var(--text-primary); }
.date-time-footer .date-time-apply { margin-left: auto; background: var(--accent); color: var(--bg-dark); font-weight: 600; }
.date-time-footer .date-time-apply:hover { background: var(--text-primary); color: var(--bg-dark); }
@keyframes date-time-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .date-time-picker { animation: none; } }