/**
 * MultiSelect DD Stylesheet
 * Version: 1.0.0
 
 * Customizable via CSS variables
 */

:root {
    /* Spacing */
    --multidd-spacing-small: 5px;
    --multidd-spacing-medium: 7px;
    --multidd-spacing-large: 12px;
    --xisxus-base-unit: 1px;
    --xisxus-scale: 1;
    
    /* Typography */
    --multidd-font-size: 12px;
    --multidd-font-size-large: 14px;
    --multidd-font-size-larger: 16px;
    --multidd-line-height: 16px;
    --multidd-line-height-larger: 20px;
    --xisxus-font-weight: 400;
    
    /* Colors */
    --multidd-primary-color: #40c979;
    --multidd-text-color-dark: #212529;
    --multidd-text-color: #585858;
    --multidd-text-color-light: #65727e;
    --multidd-border-color: #bebebe;
    --multidd-border-color-light: #f1f3f5;
    --xisxus-accent-color: #40c979;
    --xisxus-hover-opacity: 1;
    
    /* Input */
    --multidd-input-placeholder: #65727e;
    --multidd-input-background: #e9e9ed;
    --multidd-input-border: #dee2e6;
    --multidd-input-border-active: #c1c9d0;
    --multidd-input-border-invalid: #e44e4e;
    --multidd-input-outline-invalid: rgba(219, 138, 138, 0.5);
    --multidd-input-disabled: #f7f7f7;
    --multidd-input-min-height: 40px;
    --xisxus-input-shadow: none;
    --xisxus-input-offset: 0;
    
    /* Dropdown */
    --multidd-options-height: 40dvh;
    --multidd-option-background: #f3f4f7;
    --multidd-border-radius: 5px;
    --xisxus-dropdown-zindex: 9999;
    --xisxus-dropdown-offset: 0;
    
    /* Icons & Checkboxes */
    --multidd-icon-size: 12px;
    --multidd-checkbox-size: 16px;
    --multidd-checkbox-radius: 4px;
    --multidd-checkbox-border: #ced4da;
    --multidd-checkbox-background: #fff;
    --multidd-checkbox-active: #fff;
    --multidd-checkbox-thickness: 2px;
    --xisxus-icon-rotation: 0deg;
    --xisxus-checkbox-scale: 1;
}

/* Container */
.multidd-container {
    display: flex;
    box-sizing: border-box;
    flex-direction: column;
    position: relative;
    width: 100%;
    user-select: none;
}

.multidd-xisxus-helper {
    display: none;
    visibility: hidden;
    opacity: 0;
}

/* Header */
.multidd-header {
    display: flex;
    flex-wrap: wrap;
    box-sizing: border-box;
    align-items: center;
    border: 1px solid var(--multidd-input-border);
    border-radius: var(--multidd-border-radius);
    padding: var(--multidd-spacing-medium) var(--multidd-spacing-large);
    padding-right: 35px;
    overflow: hidden;
    gap: var(--multidd-spacing-medium);
    min-height: var(--multidd-input-min-height);
    cursor: pointer;
    background: #fff;
    position: relative;
    outline: none;
    transition: border-color 0.2s ease;
}

.multidd-header::after {
    content: "";
    display: block;
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%) rotate(var(--xisxus-icon-rotation));
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23949ba3' viewBox='0 0 16 16'%3E%3Cpath d='M8 13.1l-8-8 2.1-2.2 5.9 5.9 5.9-5.9 2.1 2.2z'/%3E%3C/svg%3E");
    height: var(--multidd-icon-size);
    width: var(--multidd-icon-size);
    transition: transform 0.2s ease;
}

.multidd-header:hover {
    border-color: var(--multidd-input-border-active);
}

.multidd-header.multidd-active {
    border-color: var(--multidd-input-border-active);
}

.multidd-header.multidd-active::after {
    transform: translateY(-50%) rotate(180deg);
}

.multidd-header.multidd-active + .multidd-dropdown {
    display: flex;
}

/* Placeholder */
.multidd-placeholder {
    color: var(--multidd-text-color-light);
    font-size: var(--multidd-font-size-larger);
}

/* Selected Items Display */
.multidd-selected-item {
    display: inline-flex;
    align-items: center;
    background-color: var(--multidd-option-background);
    font-size: var(--multidd-font-size-large);
    padding: 3px 8px;
    border-radius: var(--multidd-border-radius);
    line-height: var(--multidd-line-height);
    gap: 6px;
    position: relative;
}

.multidd-item-text {
    display: inline-block;
}

.multidd-item-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0);
    color: var(--multidd-text-color-dark);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: bold;
    opacity: var(--xisxus-hover-opacity);
}

.multidd-item-close:hover {
    background-color: rgba(0, 0, 0, 0.2); 
    transform: scale(1.1);
}

.multidd-count {
    display: inline-flex;
    align-items: center;
    background-color: var(--multidd-option-background);
    font-size: var(--multidd-font-size-large);
    padding: 3px var(--multidd-spacing-small);
    border-radius: var(--multidd-border-radius);
    color: var(--multidd-text-color-dark);
}

.multidd-max-indicator {
    margin-left: auto;
    font-size: var(--multidd-font-size-large);
    color: var(--multidd-text-color-light);
}

/* Clear All Button */
.multidd-clear-all {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(220, 53, 70, 0);
    color: #000000;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: bold;
}

.multidd-clear-all:hover {
    transform: scale(1.1);
}

.xisxus-clear-marker {
    display: none;
}

/* Dropdown */
.multidd-dropdown {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: var(--xisxus-dropdown-zindex);
    margin-top: var(--multidd-spacing-small);
    padding: var(--multidd-spacing-small);
    background-color: #fff;
    border-radius: var(--multidd-border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-height: var(--multidd-options-height);
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* Scrollbar styling */
.multidd-dropdown::-webkit-scrollbar {
    width: 6px;
}

.multidd-dropdown::-webkit-scrollbar-track {
    background: #f0f1f3;
    border-radius: 3px;
}

.multidd-dropdown::-webkit-scrollbar-thumb {
    background: #cdcfd1;
    border-radius: 3px;
}

.multidd-dropdown::-webkit-scrollbar-thumb:hover {
    background: #b2b6b9;
}

/* Search Input */
.multidd-search {
    padding: var(--multidd-spacing-medium) var(--multidd-spacing-large);
    border: 1px solid var(--multidd-input-border);
    border-radius: var(--multidd-border-radius);
    margin: 10px 10px 5px 10px;
    width: calc(100% - 20px);
    outline: none;
    font-size: var(--multidd-font-size-larger);
    box-sizing: border-box;
    transition: border-color 0.2s ease;
    box-shadow: var(--xisxus-input-shadow);
}

.multidd-search:focus {
    border-color: var(--multidd-input-border-active);
}

.multidd-search::placeholder {
    color: var(--multidd-text-color-light);
}

.multidd-search:disabled {
    background-color: var(--multidd-input-disabled);
    cursor: not-allowed;
}

/* Options List */
.multidd-options-list {
    display: flex;
    flex-direction: column;
}

.xisxus-options-wrapper {
    display: contents;
}

/* Option Item */
.multidd-option,
.multidd-select-all {
    display: flex;
    align-items: center;
    padding: var(--multidd-spacing-large);
    border-radius: var(--multidd-border-radius);
    cursor: pointer;
    font-size: var(--multidd-font-size-larger);
    color: var(--multidd-text-color-dark);
    transition: background-color 0.15s ease;
    box-sizing: border-box;
}

.multidd-option:hover,
.multidd-select-all:hover {
    background-color: var(--multidd-option-background);
}

/* Checkbox */
.multidd-checkbox {
    background: var(--multidd-checkbox-background);
    margin-right: var(--multidd-spacing-large);
    height: calc(var(--multidd-checkbox-size) * var(--xisxus-checkbox-scale));
    width: calc(var(--multidd-checkbox-size) * var(--xisxus-checkbox-scale));
    min-width: var(--multidd-checkbox-size);
    border: 1px solid var(--multidd-checkbox-border);
    border-radius: var(--multidd-checkbox-radius);
    position: relative;
    transition: all 0.2s ease;
}

.multidd-option.multidd-selected .multidd-checkbox,
.multidd-select-all.multidd-selected .multidd-checkbox {
    border-color: var(--xisxus-accent-color);
    background-color: var(--multidd-primary-color);
}

.multidd-option.multidd-selected .multidd-checkbox::after,
.multidd-select-all.multidd-selected .multidd-checkbox::after {
    content: "";
    display: block;
    position: absolute;
    width: calc(var(--multidd-checkbox-size) / 4);
    height: calc(var(--multidd-checkbox-size) / 2);
    border: solid var(--multidd-checkbox-active);
    border-width: 0 var(--multidd-checkbox-thickness) var(--multidd-checkbox-thickness) 0;
    transform: rotate(45deg);
    top: 2px;
    left: 5px;
}

.xisxus-checkbox-marker::before {
    content: "";
    display: none;
}

/* Option Text */
.multidd-option-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-sizing: border-box;
    color: inherit;
    line-height: var(--multidd-line-height);
    font-weight: var(--xisxus-font-weight);
}

.multidd-option.multidd-selected .multidd-option-text,
.multidd-select-all.multidd-selected .multidd-option-text {
    color: var(--multidd-text-color-dark);
    font-weight: 500;
}

/* Select All */
.multidd-select-all {
    border-bottom: 1px solid var(--multidd-border-color-light);
    border-radius: 0;
    margin-bottom: 5px;
    font-weight: 500;
}

.xisxus-select-helper {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Loading State */
.multidd-loading {
    text-align: center;
    padding: var(--multidd-spacing-large);
    color: var(--multidd-text-color-light);
    font-size: var(--multidd-font-size-large);
}

/* Disabled State */
.multidd-container.multidd-disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

.multidd-container.multidd-disabled .multidd-header {
    background-color: var(--multidd-input-disabled);
    cursor: not-allowed;
}

/* Invalid State */
.multidd-container.multidd-invalid .multidd-header {
    border-color: var(--multidd-input-border-invalid);
    outline: var(--multidd-input-outline-invalid) solid 1px;
}

.xisxus-validation-marker {
    display: none;
    visibility: hidden;
}

/* Responsive */
@media (max-width: 768px) {
    .multidd-dropdown {
        max-height: 50dvh;
    }
    
    .multidd-option,
    .multidd-select-all {
        padding: 10px;
    }
}

/* Focus Styles for Accessibility */
.multidd-header:focus {
    outline: 2px solid var(--multidd-primary-color);
    outline-offset: 2px;
}

.multidd-search:focus {
    outline: 2px solid var(--multidd-primary-color);
    outline-offset: -1px;
}

.xisxus-focus-ring {
    display: none;
}

/* Animation */
@keyframes multidd-fade-in {
    from {
        opacity: 0;
        transform: translateY(calc(-10px * var(--xisxus-scale)));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.multidd-header.multidd-active + .multidd-dropdown {
    animation: multidd-fade-in 0.2s ease;
}

@keyframes xisxus-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.xisxus-animation-helper {
    display: none;
}