:root {
    --calendar-input-height: 46px;
    --calendar-input-radius: 0.55rem;
    --calendar-input-padding-y: 0.5rem;
    --calendar-input-padding-x: 0.75rem;
    --calendar-input-font-size: 1rem;
    --calendar-input-border: #ced4da;
    --calendar-input-border-focus: #4a9452;
    --calendar-input-bg: #ffffff;
    --calendar-input-bg-focus: #f4fbf5;
    --calendar-toggle-color: #4a9452;
    --calendar-toggle-color-hover: #2f6b39;
    --calendar-panel-border: #dde5df;
    --calendar-panel-shadow: 0 18px 36px rgba(16, 24, 40, 0.16);
    --calendar-modal-overlay: rgba(15, 23, 42, 0.56);
}

body.app-calendar-modal-open {
    overflow: hidden;
}

.app-calendar-picker,
.birthdate-picker,
.receipt-date-picker {
    position: relative;
    display: block;
}

input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"],
input[type="week"] {
    min-height: var(--calendar-input-height);
    padding: var(--calendar-input-padding-y) var(--calendar-input-padding-x);
    border-radius: var(--calendar-input-radius);
    border: 1px solid var(--calendar-input-border);
    font-size: var(--calendar-input-font-size);
    line-height: 1.5;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.app-calendar-picker.is-open,
.birthdate-picker.is-open,
.receipt-date-picker.is-open {
    z-index: 80;
}

.app-calendar-picker.is-spacing-open {
    transition: padding-bottom 0.18s ease;
}

.app-calendar-source {
    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;
    opacity: 0 !important;
    pointer-events: none !important;
}

.app-calendar-input-group {
    align-items: stretch;
    flex-wrap: nowrap;
}

.app-calendar-input-group .form-control,
.birthdate-input-group .form-control,
.receipt-date-input-group .form-control {
    background-color: #ffffff;
    min-width: 0;
    min-height: var(--calendar-input-height);
    padding: var(--calendar-input-padding-y) var(--calendar-input-padding-x);
    border-radius: var(--calendar-input-radius);
    border: 1px solid var(--calendar-input-border);
    font-size: var(--calendar-input-font-size);
    line-height: 1.5;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.app-calendar-input-group .form-control,
.app-calendar-input-group .btn,
.birthdate-input-group .btn,
.receipt-date-input-group .btn {
    margin-bottom: 0 !important;
}

.app-calendar-display,
.birthdate-display,
.receipt-date-display {
    text-align: left;
    line-height: 1.45;
    font-variant-numeric: tabular-nums;
    caret-color: transparent;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"],
input[type="week"] {
    cursor: pointer;
}

.app-calendar-display::placeholder {
    color: #98a2b3;
}

.app-calendar-input-group .form-control:focus,
.birthdate-input-group .form-control:focus,
.receipt-date-input-group .form-control:focus {
    border-color: var(--calendar-input-border-focus);
    background-color: var(--calendar-input-bg-focus);
    box-shadow: 0 0 0 0.2rem rgba(74, 148, 82, 0.14);
}

input[type="date"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="time"]:focus,
input[type="week"]:focus {
    border-color: var(--calendar-input-border-focus);
    background-color: var(--calendar-input-bg-focus);
    box-shadow: 0 0 0 0.2rem rgba(74, 148, 82, 0.14);
}

.app-calendar-toggle,
.birthdate-picker-toggle,
.receipt-date-picker-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    min-height: var(--calendar-input-height);
    border: 1px solid var(--calendar-input-border);
    border-radius: 0 var(--calendar-input-radius) var(--calendar-input-radius) 0;
    background-color: var(--calendar-input-bg);
    color: var(--calendar-toggle-color);
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.app-calendar-toggle:hover,
.app-calendar-toggle:focus,
.app-calendar-picker.is-open .app-calendar-toggle,
.birthdate-picker-toggle:hover,
.birthdate-picker-toggle:focus,
.birthdate-picker:focus-within .birthdate-picker-toggle,
.birthdate-picker.is-open .birthdate-picker-toggle,
.receipt-date-picker-toggle:hover,
.receipt-date-picker-toggle:focus,
.receipt-date-picker:focus-within .receipt-date-picker-toggle,
.receipt-date-picker.is-open .receipt-date-picker-toggle {
    background-color: var(--calendar-input-bg-focus);
    color: var(--calendar-toggle-color-hover);
    border-color: var(--calendar-input-border-focus);
    box-shadow: none;
}

.app-calendar-panel {
    position: fixed;
    z-index: 1100;
    width: min(360px, calc(100vw - 24px));
    max-width: calc(100vw - 24px);
    padding: 0.9rem;
    border: 1px solid var(--calendar-panel-border);
    border-radius: 14px;
    background-color: #ffffff;
    box-shadow: var(--calendar-panel-shadow);
}

.birthdate-panel,
.receipt-date-panel {
    z-index: 1100;
    width: min(360px, calc(100vw - 24px));
    max-width: calc(100vw - 24px);
    padding: 0.9rem;
    border: 1px solid var(--calendar-panel-border);
    border-radius: 14px;
    background-color: #ffffff;
    box-shadow: var(--calendar-panel-shadow);
}

.app-calendar-panel[hidden],
.birthdate-panel[hidden],
.receipt-date-panel[hidden] {
    display: none !important;
}

.app-calendar-modal-shell[hidden] {
    display: none !important;
}

.app-calendar-modal-shell {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--calendar-modal-overlay);
    opacity: 0;
    transition: opacity 0.18s ease;
}

.app-calendar-modal-shell.is-open {
    opacity: 1;
}

.app-calendar-modal-dialog {
    width: min(360px, calc(100vw - 24px));
    max-height: calc(100vh - 32px);
    overflow: visible;
    padding: 0;
    background: transparent;
    box-shadow: none;
    transform: translateY(14px) scale(0.98);
    transition: transform 0.18s ease;
}

.app-calendar-modal-shell.is-open .app-calendar-modal-dialog {
    transform: translateY(0) scale(1);
}

.app-calendar-picker--modal .app-calendar-panel {
    position: static;
    width: min(360px, calc(100vw - 24px));
    max-width: 100%;
    margin: 0 auto;
}

.app-calendar-panel.is-positioned-above {
    transform-origin: bottom left;
}

.app-calendar-panel-header,
.birthdate-panel-header,
.receipt-date-panel-header {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) 36px;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.app-calendar-selectors,
.birthdate-selectors,
.receipt-date-selectors {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.5rem;
}

.app-calendar-nav-button,
.birthdate-nav-button,
.receipt-date-nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid #d7e2d9;
    border-radius: 10px;
    background-color: #ffffff;
    color: #335f3b;
}

.app-calendar-nav-button:hover:not(:disabled),
.app-calendar-nav-button:focus-visible:not(:disabled),
.birthdate-nav-button:hover:not(:disabled),
.birthdate-nav-button:focus-visible:not(:disabled),
.receipt-date-nav-button:hover:not(:disabled),
.receipt-date-nav-button:focus-visible:not(:disabled) {
    background-color: #eef8f0;
    color: #234f2b;
}

.app-calendar-nav-button:disabled,
.birthdate-nav-button:disabled,
.receipt-date-nav-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.app-calendar-weekdays,
.app-calendar-days,
.birthdate-weekdays,
.birthdate-days,
.receipt-date-weekdays,
.receipt-date-days {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.35rem;
}

.app-calendar-weekdays,
.birthdate-weekdays,
.receipt-date-weekdays {
    margin-bottom: 0.45rem;
}

.app-calendar-weekdays span,
.birthdate-weekdays span,
.receipt-date-weekdays span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
}

.app-calendar-day,
.birthdate-day,
.receipt-date-day {
    min-height: 38px;
    border: 1px solid transparent;
    border-radius: 10px;
    background-color: #f6f8f7;
    color: #1f2937;
    font-size: 0.92rem;
    font-weight: 600;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease,
        transform 0.15s ease;
}

.app-calendar-day:hover:not(:disabled),
.app-calendar-day:focus-visible:not(:disabled),
.birthdate-day:hover:not(:disabled),
.birthdate-day:focus-visible:not(:disabled),
.receipt-date-day:hover:not(:disabled),
.receipt-date-day:focus-visible:not(:disabled) {
    background-color: #e8f3ea;
    border-color: #b8d7bf;
    color: #234f2b;
    transform: translateY(-1px);
}

.app-calendar-day.is-outside,
.birthdate-day.is-outside,
.receipt-date-day.is-outside {
    background-color: #fbfcfb;
    color: #98a2b3;
}

.app-calendar-day.is-today,
.birthdate-day.is-today,
.receipt-date-day.is-today {
    border-color: #b8d7bf;
}

.app-calendar-day.is-selected,
.birthdate-day.is-selected,
.receipt-date-day.is-selected {
    background-color: #4a9452;
    border-color: #4a9452;
    color: #ffffff;
    box-shadow: 0 10px 18px rgba(74, 148, 82, 0.24);
}

.app-calendar-day:disabled,
.birthdate-day:disabled,
.receipt-date-day:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.app-calendar-panel-footer,
.birthdate-panel-footer,
.receipt-date-panel-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.75rem;
}

.app-calendar-clear-button,
.birthdate-clear-button,
.receipt-date-clear-button {
    border: none;
    background: none;
    padding: 0;
    color: #4a9452;
    font-size: 0.85rem;
    font-weight: 600;
}

.app-calendar-clear-button:hover,
.app-calendar-clear-button:focus,
.birthdate-clear-button:hover,
.birthdate-clear-button:focus,
.receipt-date-clear-button:hover,
.receipt-date-clear-button:focus {
    color: #2f6b39;
    text-decoration: underline;
}

.app-calendar-picker--compact .app-calendar-panel {
    width: min(320px, calc(100vw - 24px));
}

.app-calendar-picker--compact .app-calendar-day {
    min-height: 34px;
    font-size: 0.84rem;
}

.app-calendar-picker.is-disabled .app-calendar-toggle,
.app-calendar-toggle:disabled,
.birthdate-picker.is-disabled .birthdate-picker-toggle,
.birthdate-picker-toggle:disabled,
.receipt-date-picker.is-disabled .receipt-date-picker-toggle,
.receipt-date-picker-toggle:disabled {
    background-color: #f8f9fa;
    color: #98a2b3;
    cursor: not-allowed;
    box-shadow: none;
}

.app-calendar-picker.is-disabled .app-calendar-display,
.birthdate-picker.is-disabled .birthdate-display,
.receipt-date-picker.is-disabled .receipt-date-display {
    background-color: #f8f9fa;
    cursor: not-allowed;
}

.app-calendar-input-group .form-control[readonly],
.birthdate-input-group .form-control[readonly],
.receipt-date-input-group .form-control[readonly] {
    background-color: var(--calendar-input-bg);
}

@media (max-width: 767.98px) {
    .app-calendar-panel,
    .birthdate-panel,
    .receipt-date-panel {
        width: min(340px, calc(100vw - 20px));
        max-width: calc(100vw - 20px);
    }

    .app-calendar-modal-shell {
        padding: 0.85rem;
    }

    .app-calendar-modal-dialog {
        width: min(100%, calc(100vw - 18px));
        max-height: calc(100vh - 24px);
        padding: 0;
    }
}