/* Dropdown: a native <select> stays the source of truth; this is its accessible custom presentation. */

.dropdown {
    position: relative;
    min-width: 0;
}

.dropdown__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    text-align: left;
    cursor: pointer;
}

.dropdown__trigger[aria-expanded="true"] {
    border-color: var(--color-focus);
}

.dropdown__value {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown__value.is-placeholder {
    color: var(--color-text-subtle);
}

.dropdown__chevron {
    flex: none;
    width: 1rem;
    height: 1rem;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.dropdown__trigger[aria-expanded="true"] .dropdown__chevron {
    transform: rotate(180deg);
}

.dropdown__panel {
    margin: 0;
    padding: var(--space-2);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    background: var(--color-surface-raised);
    color: var(--color-text);
    box-shadow: var(--shadow-lg);
}

.dropdown__panel:popover-open {
    position: fixed;
    inset: auto;
    top: var(--popup-top);
    left: var(--popup-left);
    width: var(--popup-width);
    max-height: var(--popup-max-height);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dropdown__panel[data-placement="top"]:popover-open {
    top: auto;
    bottom: var(--popup-bottom);
}

.dropdown__search {
    flex: none;
    width: auto;
    margin: 0 0 var(--space-2);
    height: var(--control-md);
    border-radius: var(--radius-md);
    background: var(--color-surface-sunken);
}

/* Scrolls internally, but the scrollbar only appears while the pointer is over the list. */
.dropdown__list {
    flex: 1;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    list-style: none;
    outline: none;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

.dropdown__list:hover {
    scrollbar-color: var(--color-border-strong) transparent;
}

.dropdown__list:focus-visible {
    outline: none;
}

.dropdown__option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    min-height: 2.25rem;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: 1.35;
    overflow-wrap: anywhere;
    cursor: pointer;
}

.dropdown__option:hover,
.dropdown__option.is-active {
    background: var(--color-surface-sunken);
}

.dropdown__option.is-active {
    box-shadow: inset 0 0 0 1px var(--color-border-strong);
}

.dropdown__option[aria-selected="true"] {
    background: var(--color-primary-soft);
    color: var(--color-primary-text);
    font-weight: var(--weight-semibold);
}

.dropdown__option[aria-selected="true"]::after {
    content: "";
    flex: none;
    width: 0.3rem;
    height: 0.6rem;
    border: solid currentColor;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translateY(-2px);
}

.dropdown__option[aria-disabled="true"] {
    opacity: 0.45;
    cursor: not-allowed;
}

.dropdown__option.is-placeholder {
    color: var(--color-text-muted);
}

.dropdown__group {
    margin-top: var(--space-1);
    padding: var(--space-3) var(--space-3) var(--space-1);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.dropdown__message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.datepicker {
    display: flex;
    gap: var(--space-2);
    min-width: 0;
}

.datepicker__trigger {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    text-align: left;
    cursor: pointer;
}

.datepicker__trigger[aria-expanded="true"] {
    border-color: var(--color-focus);
}

.datepicker__trigger .icon {
    flex: none;
    color: var(--color-text-muted);
}

.datepicker__panel {
    margin: 0;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface-raised);
    color: var(--color-text);
    box-shadow: var(--shadow-lg);
    outline: none;
}

.datepicker__panel:popover-open {
    position: fixed;
    inset: auto;
    top: var(--popup-top);
    left: var(--popup-left);
    width: min(21rem, calc(100vw - 2 * var(--space-4)));
    max-height: var(--popup-max-height);
    display: block;
    overflow-y: auto; /* the month and year menus are popovers of their own, so nothing needs to overflow */
}

.datepicker__panel[data-placement="top"]:popover-open {
    top: auto;
    bottom: var(--popup-bottom);
}

.datepicker__header {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 0.8fr) auto;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.datepicker__header .dropdown__trigger {
    height: var(--control-sm);
    padding-inline: var(--space-2);
}

.datepicker__previous {
    transform: rotate(90deg);
}

.datepicker__next {
    transform: rotate(-90deg);
}

.calendar {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.calendar th {
    padding-block: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
}

.calendar td {
    padding: 1px;
    text-align: center;
}

.calendar__day {
    display: grid;
    place-items: center;
    width: 100%;
    height: 2.4rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text);
    font-size: var(--text-sm);
    font-variant-numeric: tabular-nums;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.calendar__day:hover:not(:disabled) {
    background: var(--color-surface-sunken);
}

.calendar__day.is-outside {
    color: var(--color-text-subtle);
}

.calendar__day.is-today {
    border-color: var(--color-primary);
    font-weight: var(--weight-bold);
}

.calendar__day.is-selected {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.calendar__day:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.datepicker__footer {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* Small screens: the popup stays anchored to its field (popup.js keeps it inside the viewport); only the touch rows grow. */
@media (max-width: 47.99rem), (pointer: coarse) {
    .dropdown__option {
        padding-block: var(--space-3);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .dropdown__panel:popover-open,
    .datepicker__panel:popover-open {
        animation: popup-in var(--transition-fast);
    }
}

@keyframes popup-in {
    from { opacity: 0; transform: translateY(-0.25rem); }
}