/* ============================================================
   ZnanyLekarz Availability Calendar — Frontend Styles
   Matches the cream/navy aesthetic visible in the design screenshot.
   ============================================================ */

/* --- Variables ------------------------------------------------------------ */
:root {
    --zlc-cream: #f5f0e8;
    --zlc-cream-dark: #ede5d5;
    --zlc-navy: #1b2a5e;
    --zlc-navy-mid: #2e3f7a;
    --zlc-navy-light: #4a5fa5;
    --zlc-gold: #c8a96e;
    --zlc-slot-taken-bg: #f9f6f0;
    --zlc-slot-taken-fg: #b5aa99;
    --zlc-slot-avail-bg: #ffffff;
    --zlc-slot-avail-fg: var(--zlc-navy);
    --zlc-slot-avail-border: var(--zlc-navy);
    --zlc-radius: 4px;
    --zlc-shadow: 0 4px 24px rgba(27, 42, 94, .10);
    --zlc-font: 'Inter', 'Segoe UI', sans-serif;
    --zlc-days-visible: 4;
    /* overridden by JS for mobile */
}

/* --- Wrapper -------------------------------------------------------------- */
.zlc-wrap {
    font-family: var(--zlc-font);
    padding: 0rem 1rem 1.25rem;
    margin-top: -2rem !important;
    max-width: 750px;
    width: 100%;
    margin: 0 auto 2rem;
    box-sizing: border-box;
}

/* --- Header --------------------------------------------------------------- */
.zlc-header {
    display: none;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1.25rem;
}

.zlc-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--zlc-navy);
    margin: 0;
    letter-spacing: .03em;
}

.zlc-updated {
    font-size: .75rem;
    color: var(--zlc-navy-light);
    opacity: .75;
}

/* --- Carousel shell ------------------------------------------------------- */
.zlc-carousel {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
}

/* --- Nav buttons ---------------------------------------------------------- */
.zlc-nav {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--zlc-navy);
    border-radius: 50%;
    transition: background .18s, color .18s, opacity .18s;
    margin-top: calc(50% + 3px);
    /* align with slot grid, below header row */
    padding: 0;
}

.zlc-nav svg {
    width: 22px;
    height: 22px;
    display: block;
}

.zlc-nav:hover:not(:disabled) {
    background: var(--zlc-cream-dark);
    color: var(--zlc-navy-mid);
}

.zlc-nav:disabled {
    opacity: .3;
    cursor: default;
}

/* --- Track ---------------------------------------------------------------- */
.zlc-track {
    flex: 1;
    overflow: hidden;
    min-width: 0;
    position: relative;
}

/* Inner wrapper: the actual grid that gets animated */
.zlc-track__inner {
    display: grid;
    grid-template-columns: repeat(var(--zlc-days-visible), 1fr);
    gap: 0;
    width: 100%;
}

/* --- Day column ----------------------------------------------------------- */
.zlc-day {
    display: flex;
    flex-direction: column;
}

.zlc-day:last-child {
    border-right: none;
}

/* Day header */
.zlc-day__header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: .45rem .3rem .6rem;
    min-height: 58px;
    justify-content: center;
}

.zlc-day__name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--zlc-navy);
    letter-spacing: .06em;
    text-align: center;
    line-height: 1.2;
}

.zlc-day__date {
    font-size: 1.1rem;
    color: var(--zlc-navy);
    margin-top: .15rem;
    text-align: center;
}

/* Slots container */
.zlc-slots {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: .6rem .35rem .75rem;
    align-items: center;
}

/* --- Slot items ----------------------------------------------------------- */
.zlc-slot {
    display: block;
    width: 100%;
    max-width: 120px;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem .362rem .65rem .362rem;
    border-radius: 2px;
    line-height: 1;
    transition: background .15s, color .15s, transform .12s, box-shadow .15s;
    text-decoration: none;
    box-sizing: border-box;
    cursor: default;
}

/* Available — solid navy border, navy text, white bg */
.zlc-slot--available {
    background: transparent;
    color: var(--zlc-slot-avail-fg);
    border: 1.5px solid var(--zlc-slot-avail-border);
    cursor: pointer;
}

.zlc-slot--available:hover {
    background: var(--zlc-navy);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(27, 42, 94, .18);
}

/* Taken — strikethrough, muted like ZnanyLekarz */
.zlc-slot--taken {
    background: transparent;
    color: var(--zlc-slot-taken-fg);
    font-size: 1rem;
    opacity: .65;
    cursor: default;
    padding: 0.75rem .362rem .65rem .362rem;
    border: 1.5px solid var(--zlc-slot-avail-border);
}

/* --- Active day highlight (today column) ---------------------------------- */
.zlc-day--today .zlc-day__header {
    position: relative;
}


/* --- Footer --------------------------------------------------------------- */
.zlc-footer {
    margin-top: 1rem;
    text-align: center;
}

.zlc-book-btn {
    background-color: #4BBAA2;
    color: #ffffff;
    padding: 9px 20px 7px 20px;
    font-size: 0.85rem;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    border-radius: 0px;
    text-decoration: none;
    text-transform: uppercase;
    transition: background .18s, transform .14s;
}

.zlc-book-btn:hover {
    background: #3ca08a;
    transform: translateY(-1px);
}

/* --- Error state ---------------------------------------------------------- */
.zlc-error {
    text-align: center;
    color: var(--zlc-navy-light);
    font-size: .9rem;
    padding: 1rem 0;
}

/* --- Slide & entrance animations ------------------------------------------ */

/* Outgoing columns */
@keyframes zlc-exit-left {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes zlc-exit-right {
    from {
        transform: translateX(0);
        opacity: 1;
    }

    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

/* Incoming columns */
@keyframes zlc-enter-left {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes zlc-enter-right {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Initial mount entrance */
@keyframes zlc-enter-fade {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.zlc-track__inner {
    position: relative;
}

.zlc-track--exit-left {
    animation: zlc-exit-left 600ms cubic-bezier(.4, 0, .2, 1) forwards;
    position: absolute;
    right: 0;
    top: 0;
}

.zlc-track--exit-right {
    animation: zlc-exit-right 600ms cubic-bezier(.4, 0, .2, 1) forwards;
    position: absolute;
    left: 0;
    top: 0;
}

.zlc-track--enter-left {
    animation: zlc-enter-left 600ms cubic-bezier(.4, 0, .2, 1) both;
}

.zlc-track--enter-right {
    animation: zlc-enter-right 600ms cubic-bezier(.4, 0, .2, 1) both;
}

.zlc-track--enter {
    animation: zlc-enter-fade 0ms ease-out both;
}

/* Slot stagger appear */
@keyframes zlc-slot-appear {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.zlc-slot {
    opacity: 0;
    animation: zlc-slot-appear 220ms ease-out forwards;
}

/* --- Skeleton loader ------------------------------------------------------- */
@keyframes zlc-shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

.zlc-day--skeleton .zlc-day__header {
    gap: 6px;
}

.zlc-skeleton-line,
.zlc-skeleton-slot {
    display: block;
    border-radius: 4px;
    background: linear-gradient(90deg,
            var(--zlc-cream-dark) 25%,
            #f0ebe0 50%,
            var(--zlc-cream-dark) 75%);
    background-size: 200% 100%;
    animation: zlc-shimmer 1.4s ease-in-out infinite;
}

.zlc-skeleton-line {
    height: 12px;
    width: 65%;
    margin: 0 auto;
}

.zlc-skeleton-slot {
    width: 72px;
    height: 28px;
    margin: 0 auto;
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 600px) {
    .zlc-wrap {
        padding: 1rem .6rem 1rem;
    }

    .zlc-track {
        --zlc-days-visible: 2;
    }

    .zlc-day__name {
        font-size: .65rem;
    }

    .zlc-slot {
        font-size: .78rem;
        max-width: 72px;
    }
}