.ist-calendar,
.ist-calendar * {
    box-sizing: border-box;
}

.ist-calendar {
    --ist-blue: #159fda;
    --ist-blue-dark: #087eb8;
    --ist-navy: #21163e;
    --ist-text: #4b566d;
    --ist-muted: #68738a;
    --ist-soft: #f7fbfd;
    --ist-line: #dceaf2;
    width: 100%;
    color: var(--ist-text);
    font-family: inherit;
}

.ist-calendar a {
    text-decoration: none;
}

.ist-calendar-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding: 25px 27px;
    border: 1px solid var(--ist-line);
    border-radius: 19px 19px 0 0;
    background: #ffffff;
}

.ist-calendar-title {
    min-width: 0;
}

.ist-calendar-kicker {
    display: block;
    margin-bottom: 5px;
    color: var(--ist-blue-dark);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.ist-calendar-title h3 {
    margin: 0;
    color: var(--ist-navy);
    font-size: clamp(25px, 3vw, 34px);
    line-height: 1.15;
    font-weight: 900;
}

.ist-calendar-filter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ist-calendar-filter label {
    margin: 0;
}

.ist-calendar-filter select,
.ist-calendar-filter button {
    min-height: 43px;
    margin: 0;
    border-radius: 10px;
    font: inherit;
}

.ist-calendar-filter select {
    min-width: 126px;
    padding: 8px 35px 8px 12px;
    border: 1px solid #cadfe9;
    background-color: #ffffff;
    color: var(--ist-navy);
    font-size: 14px;
    font-weight: 700;
}

.ist-calendar-filter button {
    padding: 9px 17px;
    border: 1px solid var(--ist-blue);
    background: var(--ist-blue);
    color: #ffffff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    transition: background .2s ease, border-color .2s ease;
}

.ist-calendar-filter button:hover,
.ist-calendar-filter button:focus-visible {
    border-color: var(--ist-blue-dark);
    background: var(--ist-blue-dark);
}

.ist-calendar-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 18px;
    border-right: 1px solid var(--ist-line);
    border-left: 1px solid var(--ist-line);
    background: var(--ist-soft);
}

.ist-calendar-navigation a,
.ist-calendar-navigation .ist-nav-disabled {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--ist-blue-dark);
    font-size: 13px;
    font-weight: 800;
}

.ist-calendar-navigation a:hover,
.ist-calendar-navigation a:focus-visible {
    color: var(--ist-navy);
}

.ist-calendar-navigation .ist-nav-disabled {
    color: #9aa6b8;
}

.ist-calendar-table-wrap {
    overflow: hidden;
    border: 1px solid var(--ist-line);
    border-radius: 0 0 19px 19px;
    background: #ffffff;
    box-shadow: 0 18px 45px rgba(37, 75, 98, .08);
}

.ist-calendar-table {
    width: 100%;
    margin: 0;
    border: 0;
    border-collapse: collapse;
    table-layout: fixed;
    background: #ffffff;
}

.ist-calendar-table th {
    padding: 13px 8px;
    border: 0;
    border-right: 1px solid var(--ist-line);
    border-bottom: 1px solid var(--ist-line);
    background: #ffffff;
    color: var(--ist-navy);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .04em;
    text-align: center;
    text-transform: uppercase;
}

.ist-calendar-table th:last-child {
    border-right: 0;
}

.ist-calendar-table td {
    height: 148px;
    padding: 0;
    border: 0;
    border-right: 1px solid var(--ist-line);
    border-bottom: 1px solid var(--ist-line);
    vertical-align: top;
}

.ist-calendar-table tr:last-child td {
    border-bottom: 0;
}

.ist-calendar-table td:last-child {
    border-right: 0;
}

.ist-day-inner {
    min-height: 148px;
    padding: 10px;
    background: #ffffff;
}

.ist-empty-cell {
    background: #fbfdfe !important;
}

.ist-past-day .ist-day-inner {
    background: #fbfcfd;
    color: #aab3c1;
}

.ist-today .ist-day-inner {
    background: linear-gradient(180deg, #f2faff 0%, #ffffff 40%);
}

.ist-day-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 29px;
    height: 29px;
    margin: 0 0 8px auto;
    border-radius: 9px;
    color: #657188;
    font-size: 13px;
    font-weight: 900;
}

.ist-today .ist-day-number {
    background: var(--ist-blue);
    color: #ffffff;
}

.ist-mobile-date {
    display: none;
}

.ist-event {
    display: block;
    margin-top: 7px;
    padding: 10px;
    border: 1px solid #cde8f4;
    border-left: 3px solid var(--ist-blue);
    border-radius: 10px;
    background: #f2faff;
    color: var(--ist-text);
    overflow-wrap: anywhere;
}

.ist-event-code {
    display: inline-block;
    margin-bottom: 5px;
    color: var(--ist-blue-dark);
    font-size: 9px;
    line-height: 1.35;
    font-weight: 900;
    letter-spacing: .03em;
}

.ist-event-name {
    display: block;
    margin-bottom: 7px;
    color: var(--ist-navy);
    font-size: 12px;
    line-height: 1.4;
    font-weight: 900;
}

.ist-event-meta {
    display: flex;
    align-items: flex-start;
    gap: 5px;
    margin-top: 4px;
    color: #637087;
    font-size: 10px;
    line-height: 1.45;
}

.ist-event-meta > span {
    flex: 0 0 auto;
    color: var(--ist-blue-dark);
    font-weight: 900;
}

.ist-event-note {
    display: block;
    margin-top: 7px;
    padding-top: 6px;
    border-top: 1px solid #d9edf6;
    color: #6e798d;
    font-size: 10px;
    line-height: 1.45;
}

.ist-calendar-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    min-height: 220px;
    padding: 34px;
    border: 1px solid var(--ist-line);
    border-radius: 0 0 19px 19px;
    background: #ffffff;
    text-align: left;
    box-shadow: 0 18px 45px rgba(37, 75, 98, .07);
}

.ist-calendar-empty-icon {
    display: grid;
    place-items: center;
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #e7f6fc;
    color: var(--ist-blue-dark);
    font-size: 18px;
    font-weight: 900;
}

.ist-calendar-empty strong {
    display: block;
    color: var(--ist-navy);
    font-size: 17px;
}

.ist-calendar-empty p {
    margin: 5px 0 0;
    color: var(--ist-muted);
    font-size: 14px;
    line-height: 1.6;
}

.ist-calendar-empty-compact {
    min-height: 0;
    padding: 18px 24px;
    border-right: 1px solid var(--ist-line);
    border-bottom: 0;
    border-left: 1px solid var(--ist-line);
    border-radius: 0;
    box-shadow: none;
}

.ist-calendar-footnote {
    margin: 15px 0 0;
    color: #758096;
    font-size: 12px;
    line-height: 1.6;
    text-align: center;
}

.ist-sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 960px) {
    .ist-calendar-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .ist-calendar-filter {
        width: 100%;
    }

    .ist-calendar-filter label {
        flex: 1 1 auto;
    }

    .ist-calendar-filter select {
        width: 100%;
    }
}

@media (max-width: 720px) {
    .ist-calendar-toolbar {
        padding: 21px 18px;
        border-radius: 16px 16px 0 0;
    }

    .ist-calendar-filter {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .ist-calendar-filter button {
        grid-column: 1 / -1;
        width: 100%;
    }

    .ist-calendar-navigation {
        padding: 11px 14px;
    }

    .ist-calendar-navigation a,
    .ist-calendar-navigation .ist-nav-disabled {
        font-size: 12px;
    }

    .ist-calendar-table-wrap {
        overflow: visible;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .ist-calendar-table,
    .ist-calendar-table tbody,
    .ist-calendar-table tr,
    .ist-calendar-table td {
        display: block;
        width: 100%;
    }

    .ist-calendar-table thead,
    .ist-calendar-table .ist-empty-cell,
    .ist-calendar-table .ist-day-cell:not(.ist-has-events) {
        display: none;
    }

    .ist-calendar-table tr {
        border: 0;
    }

    .ist-calendar-table td,
    .ist-calendar-table tr:last-child td,
    .ist-calendar-table td:last-child {
        height: auto;
        margin-top: 12px;
        border: 1px solid var(--ist-line);
        border-radius: 15px;
        background: #ffffff;
        overflow: hidden;
    }

    .ist-day-inner {
        min-height: 0;
        padding: 15px;
    }

    .ist-day-number,
    .ist-today .ist-day-number {
        justify-content: flex-start;
        width: auto;
        height: auto;
        margin: 0 0 10px;
        padding: 0;
        background: transparent;
        color: var(--ist-navy);
        font-size: 14px;
    }

    .ist-desktop-number {
        display: none;
    }

    .ist-mobile-date {
        display: inline;
    }

    .ist-event {
        padding: 14px;
    }

    .ist-event-code,
    .ist-event-meta,
    .ist-event-note {
        font-size: 12px;
    }

    .ist-event-name {
        font-size: 15px;
    }

    .ist-calendar-empty {
        min-height: 180px;
        padding: 28px 20px;
        border-radius: 0 0 16px 16px;
    }

    .ist-calendar-empty-compact {
        min-height: 0;
        border-bottom: 1px solid var(--ist-line);
        border-radius: 0 0 16px 16px;
    }

    .ist-calendar-no-events {
        display: none;
    }
}

@media (max-width: 430px) {
    .ist-calendar-filter {
        grid-template-columns: 1fr;
    }

    .ist-calendar-filter button {
        grid-column: auto;
    }

    .ist-calendar-navigation {
        align-items: stretch;
    }

    .ist-calendar-navigation a,
    .ist-calendar-navigation .ist-nav-disabled {
        flex: 1 1 50%;
    }

    .ist-calendar-navigation a:last-child,
    .ist-calendar-navigation .ist-nav-disabled:last-child {
        justify-content: flex-end;
        text-align: right;
    }

    .ist-calendar-empty {
        align-items: flex-start;
    }
}