/**
 * Flatpickr Custom Theme for IS-Dataverse
 * 
 * Gray and Red color scheme to match the application design
 * Mobile-optimized with touch-friendly interactions
 * 
 * Color Palette:
 * - Gray backgrounds: #f8f9fa, #e9ecef, #dee2e6
 * - Gray borders/text: #6c757d, #495057, #343a40
 * - Red accents: #dc3545 (primary), #bd2130 (hover)
 */

/* ============================================
   Calendar Container
   ============================================ */

.flatpickr-calendar {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    padding: 0;
    overflow: hidden;
}

.flatpickr-calendar.open {
    display: block;
}

.flatpickr-calendar.inline {
    display: block;
}

/* Mobile optimization */
@media (max-width: 768px) {
    .flatpickr-calendar {
        width: 100% !important;
        max-width: 340px;
        font-size: 16px; /* Prevents zoom on mobile */
    }
}

/* ============================================
   Month Navigation
   ============================================ */

.flatpickr-months {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 12px;
}

.flatpickr-month {
    color: #343a40;
    fill: #343a40;
    height: 40px;
    line-height: 1;
}

.flatpickr-current-month {
    font-size: 1.1rem;
    font-weight: 600;
    color: #343a40;
    padding: 0.25rem 0;
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
    color: #343a40;
    font-weight: 600;
}

.flatpickr-current-month .flatpickr-monthDropdown-months:hover {
    border-color: #dc3545;
    background: #fff5f5;
}

.flatpickr-current-month input.cur-year {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
    color: #343a40;
    font-weight: 600;
}

.flatpickr-current-month input.cur-year:hover {
    border-color: #dc3545;
    background: #fff5f5;
}

/* Month navigation arrows */
.flatpickr-prev-month,
.flatpickr-next-month {
    color: #6c757d;
    fill: #6c757d;
    padding: 8px;
    height: 40px;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flatpickr-prev-month:hover,
.flatpickr-next-month:hover {
    color: #dc3545;
    fill: #dc3545;
    background: #fff5f5;
    border-radius: 0.25rem;
}

.flatpickr-prev-month svg,
.flatpickr-next-month svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   Weekday Headers
   ============================================ */

.flatpickr-weekdays {
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    height: 36px;
    display: flex;
    align-items: center;
}

.flatpickr-weekday {
    color: #6c757d;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    line-height: 1;
}

/* ============================================
   Calendar Days
   ============================================ */

.flatpickr-days {
    background: #ffffff;
    padding: 8px;
}

.flatpickr-day {
    color: #495057;
    background: #ffffff;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    cursor: pointer;
    font-weight: 500;
    height: 38px;
    line-height: 38px;
    margin: 2px;
    width: 38px;
    flex-basis: 13.5%;
}

/* Touch-friendly sizing on mobile */
@media (max-width: 768px) {
    .flatpickr-day {
        height: 42px;
        line-height: 42px;
        width: 42px;
    }
}

/* Hover state */
.flatpickr-day:hover {
    background: #f8f9fa;
    border-color: #dee2e6;
    color: #343a40;
}

/* Today */
.flatpickr-day.today {
    border-color: #6c757d;
    background: #ffffff;
    color: #343a40;
    font-weight: 600;
}

.flatpickr-day.today:hover {
    background: #f8f9fa;
    border-color: #495057;
}

/* Selected date - RED ACCENT */
.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange,
.flatpickr-day.selected.inRange,
.flatpickr-day.startRange.inRange,
.flatpickr-day.endRange.inRange,
.flatpickr-day.selected:focus,
.flatpickr-day.startRange:focus,
.flatpickr-day.endRange:focus,
.flatpickr-day.selected:hover,
.flatpickr-day.startRange:hover,
.flatpickr-day.endRange:hover,
.flatpickr-day.selected.prevMonthDay,
.flatpickr-day.startRange.prevMonthDay,
.flatpickr-day.endRange.prevMonthDay,
.flatpickr-day.selected.nextMonthDay,
.flatpickr-day.startRange.nextMonthDay,
.flatpickr-day.endRange.nextMonthDay {
    background: #dc3545 !important;
    border-color: #dc3545 !important;
    color: #ffffff !important;
    font-weight: 600;
}

/* In range dates */
.flatpickr-day.inRange {
    background: #f8d7da;
    border-color: #f8d7da;
    color: #721c24;
    box-shadow: -5px 0 0 #f8d7da, 5px 0 0 #f8d7da;
}

/* Previous/Next month days */
.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: #adb5bd;
}

.flatpickr-day.prevMonthDay:hover,
.flatpickr-day.nextMonthDay:hover {
    background: #f8f9fa;
    border-color: #dee2e6;
    color: #6c757d;
}

/* Disabled days */
.flatpickr-day.disabled,
.flatpickr-day.disabled:hover {
    color: #dee2e6;
    background: transparent;
    cursor: not-allowed;
    border-color: transparent;
}

/* ============================================
   Time Picker
   ============================================ */

.flatpickr-time {
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.flatpickr-time-separator {
    color: #495057;
    font-weight: 600;
    font-size: 1.2rem;
}

/* Time input fields */
.flatpickr-time input {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    color: #343a40;
    font-size: 1rem;
    font-weight: 600;
    height: 40px;
    width: 50px;
    text-align: center;
    padding: 0;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

.flatpickr-time input:hover {
    border-color: #dc3545;
    background: #fff5f5;
}

.flatpickr-time input:focus {
    outline: none;
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

/* Hide input spinners */
.flatpickr-time input::-webkit-outer-spin-button,
.flatpickr-time input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* AM/PM selector (hide if using 24-hour) */
.flatpickr-am-pm {
    background: #6c757d;
    color: #ffffff;
    border: none;
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-weight: 600;
    cursor: pointer;
    height: 40px;
}

.flatpickr-am-pm:hover {
    background: #5a6268;
}

/* Time increment/decrement arrows */
.flatpickr-time .flatpickr-time-separator,
.flatpickr-time .flatpickr-am-pm {
    user-select: none;
}

.numInputWrapper {
    position: relative;
}

.numInputWrapper:hover {
    background: transparent;
}

.numInputWrapper span {
    border: 1px solid #dee2e6;
    background: #ffffff;
    opacity: 1;
    cursor: pointer;
    width: 24px;
    height: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.numInputWrapper span:hover {
    background: #dc3545;
    border-color: #dc3545;
}

.numInputWrapper span:hover:after {
    border-bottom-color: #ffffff;
    border-top-color: #ffffff;
}

.numInputWrapper span.arrowUp {
    border-radius: 0 0.25rem 0 0;
}

.numInputWrapper span.arrowDown {
    border-radius: 0 0 0.25rem 0;
}

.numInputWrapper span.arrowUp:after {
    border-bottom: 4px solid #6c757d;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.numInputWrapper span.arrowDown:after {
    border-top: 4px solid #6c757d;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

/* ============================================
   Input Field Styling
   ============================================ */

.flatpickr-input {
    cursor: pointer;
}

.flatpickr-input:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.flatpickr-input[readonly] {
    cursor: pointer;
    background-color: #ffffff;
}

/* ============================================
   Mobile Optimizations
   ============================================ */

@media (max-width: 768px) {
    .flatpickr-calendar {
        margin: 0 auto;
    }
    
    .flatpickr-months {
        padding: 16px 12px;
    }
    
    .flatpickr-current-month {
        font-size: 1.2rem;
    }
    
    .flatpickr-prev-month,
    .flatpickr-next-month {
        width: 44px;
        height: 44px;
    }
    
    .flatpickr-time {
        padding: 16px 12px;
    }
    
    .flatpickr-time input {
        height: 44px;
        width: 56px;
        font-size: 1.1rem;
    }
    
    .flatpickr-am-pm {
        height: 44px;
        padding: 0.5rem 1.25rem;
        font-size: 1rem;
    }
    
    .numInputWrapper span {
        width: 28px;
    }
}

/* ============================================
   Accessibility
   ============================================ */

.flatpickr-day:focus {
    outline: 2px solid #dc3545;
    outline-offset: 2px;
}

/* ============================================
   Animation
   ============================================ */

.flatpickr-calendar.animate.open {
    animation: flatpickrFadeIn 150ms ease-out;
}

@keyframes flatpickrFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Dark Mode Support (Optional - Future)
   ============================================ */

@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed in the future */
}