.erp-date-native {
    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;
    border: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.erp-dp-host,
.erp-dp {
    width: 100%;
}

.erp-dp {
    position: relative;
}

.erp-dp-control {
    min-height: 40px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px;
}

.erp-dp-control:focus-within,
.erp-dp-control.is-open {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 28%, transparent);
}

.erp-dp-control.is-disabled {
    opacity: 0.68;
    background: var(--surface-muted);
    cursor: not-allowed;
}

.erp-dp-display {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
    padding: 6px 8px;
    font: inherit;
    line-height: 1.2;
    cursor: pointer;
}

.erp-dp-display::placeholder {
    color: var(--muted);
}

.erp-dp-icon-btn,
.erp-dp-clear-btn {
    border: 0;
    background: transparent;
    color: var(--muted);
    border-radius: 4px;
    cursor: pointer;
    min-width: 30px;
    min-height: 30px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.erp-dp-icon-btn:hover,
.erp-dp-clear-btn:hover {
    background: var(--surface-subtle);
    color: var(--text);
}

.erp-dp-icon-btn:focus-visible,
.erp-dp-clear-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
}

.erp-dp-popover {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 1900;
    width: min(380px, 100vw - 24px);
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.2);
    overflow: hidden;
}

.erp-dp-sheet-backdrop {
    position: fixed;
    inset: 0;
    background: var(--overlay);
    z-index: 2000;
}

.erp-dp-sheet {
    position: fixed;
    inset: 0;
    z-index: 2001;
    background: var(--surface);
    display: flex;
    flex-direction: column;
}

.erp-dp-header {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    padding: 8px;
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 6px;
}

.erp-dp-sheet .erp-dp-header {
    position: sticky;
    top: 0;
    z-index: 3;
    padding: 10px;
}

.erp-dp-month-label {
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.01em;
}

.erp-dp-nav-btn,
.erp-dp-shortcut-btn,
.erp-dp-week-btn,
.erp-dp-day-btn,
.erp-dp-footer-btn,
.erp-dp-done-btn {
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    border-radius: 6px;
    cursor: pointer;
    font: inherit;
}

.erp-dp-nav-btn,
.erp-dp-shortcut-btn {
    min-height: 32px;
    padding: 0 8px;
}

.erp-dp-nav-btn:hover,
.erp-dp-shortcut-btn:hover {
    background: var(--surface-subtle);
}

.erp-dp-nav-btn:focus-visible,
.erp-dp-shortcut-btn:focus-visible,
.erp-dp-week-btn:focus-visible,
.erp-dp-day-btn:focus-visible,
.erp-dp-footer-btn:focus-visible,
.erp-dp-done-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
}

.erp-dp-grid-wrap {
    max-height: 336px;
    overflow: auto;
    background: var(--surface);
}

.erp-dp-sheet .erp-dp-grid-wrap {
    flex: 1 1 auto;
    max-height: none;
    padding-bottom: 12px;
}

.erp-dp-grid {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
}

.erp-dp-grid thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--surface);
    color: var(--muted);
    font-weight: 600;
    font-size: 12px;
    line-height: 1.2;
    border-bottom: 1px solid var(--border);
    padding: 8px 4px;
    text-align: center;
}

.erp-dp-week-head {
    width: 40px;
}

.erp-dp-week-col {
    border-right: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-muted) 80%, var(--surface));
}

.erp-dp-week-btn {
    width: 100%;
    min-height: 36px;
    color: var(--muted);
    font-size: 12px;
}

.erp-dp-week-btn:hover {
    background: var(--surface-subtle);
    color: var(--text);
}

.erp-dp-day-cell {
    padding: 2px;
    text-align: center;
}

.erp-dp-day-btn {
    width: 100%;
    min-height: 36px;
    border: 1px solid transparent;
    color: var(--text);
    border-radius: 8px;
    line-height: 1.1;
}

.erp-dp-day-btn:hover {
    background: var(--surface-subtle);
}

.erp-dp-day-btn.is-hovered {
    background: var(--surface-hover);
}

.erp-dp-day-btn.is-outside {
    color: color-mix(in srgb, var(--muted) 70%, transparent);
}

.erp-dp-day-btn.is-today {
    border-color: var(--primary);
}

.erp-dp-day-btn.is-selected {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
    font-weight: 600;
}

.erp-dp-day-btn.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background: transparent;
}

.erp-dp-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 8px;
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: flex-end;
}

.erp-dp-footer-btn {
    min-height: 34px;
    padding: 0 10px;
    border: 1px solid var(--border);
    background: var(--surface);
}

.erp-dp-footer-btn:hover {
    background: var(--surface-subtle);
}

.erp-dp-footer-btn.is-primary,
.erp-dp-done-btn {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-contrast);
}

.erp-dp-footer-btn.is-primary:hover,
.erp-dp-done-btn:hover {
    background: color-mix(in srgb, var(--primary) 88%, black);
    border-color: color-mix(in srgb, var(--primary) 88%, black);
}

.erp-dp-sheet-actions {
    position: sticky;
    bottom: 0;
    z-index: 4;
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 10px;
}

.erp-dp-done-btn {
    width: 100%;
    min-height: 44px;
    border-radius: 8px;
}

.erp-dp-live {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.erp-dp-density-compact .erp-dp-day-btn,
.erp-dp-density-compact .erp-dp-week-btn {
    min-height: 30px;
}

.erp-dp-density-compact .erp-dp-grid thead th {
    padding: 6px 4px;
}

@media (max-width: 768px) {
    .erp-dp-popover {
        display: none;
    }

    .erp-dp-control {
        min-height: 44px;
    }

    .erp-dp-day-btn,
    .erp-dp-week-btn {
        min-height: 44px;
    }

    .erp-dp-grid thead th {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}