/* Custom Date Picker */
.custom-datepicker {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 12050;
    min-width: 280px;
    display: none;
}

.custom-datepicker.active {
    display: block;
}

.datepicker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.datepicker-month {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.datepicker-nav {
    display: flex;
    gap: 0.5rem;
}

.datepicker-nav-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s;
}

.datepicker-nav-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.datepicker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 0.5rem;
}

.datepicker-weekday {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.25rem;
}

.datepicker-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.datepicker-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.2s;
    border: 1px solid transparent;
}

.datepicker-day:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
}

.datepicker-day.other-month {
    color: var(--text-muted);
    opacity: 0.4;
}

.datepicker-day.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.datepicker-day.today {
    border-color: var(--accent);
}

.datepicker-footer {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
}

.datepicker-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s;
}

.datepicker-btn-clear {
    background: transparent;
    color: var(--text-muted);
}

.datepicker-btn-clear:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.datepicker-btn-today {
    background: var(--accent);
    color: white;
}

.datepicker-btn-today:hover {
    background: var(--accent-hover);
}

/* Mobile/App Optimizations */
@media (max-width: 768px) {
    .custom-datepicker {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: calc(100vw - 16px);
        min-width: 0;
        max-width: 360px;
        max-height: calc(100vh - 24px);
        overflow-y: auto;
        padding: 0.75rem;
    }

    .datepicker-header {
        margin-bottom: 0.75rem;
        padding-bottom: 0.5rem;
    }

    .datepicker-month {
        font-size: 0.9rem;
    }

    .datepicker-nav-btn {
        width: 28px;
        height: 28px;
    }

    .datepicker-nav-btn svg {
        width: 14px;
        height: 14px;
    }

    .datepicker-weekday {
        font-size: 0.7rem;
        padding: 0.2rem;
    }

    .datepicker-day {
        font-size: 0.85rem;
    }

    .datepicker-footer {
        margin-top: 0.75rem;
        padding-top: 0.5rem;
    }

    .datepicker-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}