.s375-cal {
--s375-accent: #1d4ed8;
--s375-accent-text: #fff;
--s375-border: #d0d5dd;
--s375-off: #98a2b3;
--s375-radius: 8px;
grid-column: 1 / -1;
width: 100%;
max-width: 440px;
margin: 0 0 1.25em;
box-sizing: border-box;
list-style: none;
}
.s375-cal *, .s375-cal *::before, .s375-cal *::after { box-sizing: border-box; }
.s375-cal button { font: inherit; cursor: pointer; }
.s375-cal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .6em; }
.s375-cal__title { font-size: 1.05em; }
.s375-cal__nav {
width: 2.4em; height: 2.4em; padding: 0; line-height: 1;
border: 1px solid var(--s375-border); border-radius: var(--s375-radius);
background: transparent; color: inherit; font-size: 1.2em;
}
.s375-cal__nav:disabled { opacity: .35; cursor: not-allowed; }
.s375-cal__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; transition: opacity .15s; }
.s375-cal__grid.is-loading { opacity: .45; pointer-events: none; }
.s375-cal__wd { text-align: center; font-size: .75em; text-transform: uppercase; letter-spacing: .04em; color: var(--s375-off); padding: .3em 0; }
.s375-day {
aspect-ratio: 1 / 1; min-height: 2.4em; padding: 0;
border: 1px solid transparent; border-radius: var(--s375-radius);
background: transparent; color: inherit;
}
.s375-day.is-on { border-color: var(--s375-accent); color: var(--s375-accent); font-weight: 600; background: transparent; }
.s375-day.is-on:hover { background: color-mix(in srgb, var(--s375-accent) 10%, transparent); }
.s375-day.is-off { color: var(--s375-off); opacity: .45; cursor: default; background: transparent; }
.s375-day.is-selected, .s375-day.is-selected:hover { background: var(--s375-accent); color: var(--s375-accent-text); }
.s375-cal__slots { margin-top: 1em; }
.s375-cal__slots-title { margin: 0 0 .5em; font-weight: 600; }
.s375-cal__slot-list { display: flex; flex-wrap: wrap; gap: 8px; }
.s375-slot {
padding: .5em .9em; border: 1px solid var(--s375-accent); border-radius: var(--s375-radius);
background: transparent; color: var(--s375-accent); font-weight: 600; min-width: 4.6em;
}
.s375-slot:hover { background: color-mix(in srgb, var(--s375-accent) 10%, transparent); }
.s375-slot.is-selected, .s375-slot.is-selected:hover { background: var(--s375-accent); color: var(--s375-accent-text); }
.s375-cal__hint { margin: .8em 0 0; color: #667085; }
.s375-cal__hint--error { color: #b42318; }
.s375-link { background: none; border: 0; padding: 0; color: var(--s375-accent); text-decoration: underline; }
.s375-cal__summary { margin: 1em 0 0; padding: .7em .9em; border-left: 3px solid var(--s375-accent); background: color-mix(in srgb, var(--s375-accent) 8%, transparent); }
.s375-cal button:focus-visible { outline: 2px solid var(--s375-accent); outline-offset: 2px; }