.cs-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    font-family: var(--font-sans);
}

.cs-control {
    display: flex;
    align-items: center;
    width: 100%;
    height: 44px;
    padding: 0 12px;
    font-size: 15px;
    color: var(--color-text-main, #1f2937);
    background-color: #FFF;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: var(--radius-sm, 8px);
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
    gap: 6px;
    outline: none;
}

.cs-control:hover {
    border-color: var(--color-border-hover, #9ca3af);
}

.cs-control:focus-within,
.cs-control.cs-open {
    border-color: var(--color-border-focus, #3b82f6);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.cs-control .cs-value {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    color: inherit;
}

.cs-control .cs-value.cs-placeholder {
    color: var(--color-text-muted, #6b7280);
}

.cs-control .cs-arrow {
    flex-shrink: 0;
    color: var(--color-text-muted, #6b7280);
    transition: transform 0.2s ease;
    width: 18px;
    height: 18px;
}

.cs-control.cs-open .cs-arrow {
    transform: rotate(180deg);
}

.cs-control .cs-flag {
    flex-shrink: 0;
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
    display: none;
}

.cs-search-inline {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    font-family: inherit;
    color: inherit;
    padding: 0;
    display: none;
}

.cs-control.cs-open .cs-search-inline {
    display: block;
}



.cs-search-modal {
    display: none;
}

.cs-clear {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted, #6b7280);
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.15s ease, color 0.15s ease;
}

.cs-clear:hover {
    background: var(--color-bg-hover, #f3f4f6);
    color: var(--color-text-main, #1f2937);
}

.cs-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #FFF;
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: var(--radius-sm, 8px);
    box-shadow: var(--shadow-lg, 0 10px 25px rgba(0,0,0,0.1));
    z-index: 1000;
    animation: cs-slide-down 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: visible;
}

@keyframes cs-slide-down {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cs-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 220px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.cs-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text-main, #1f2937);
    cursor: pointer;
    transition: background 0.15s ease;
}

.cs-option:hover,
.cs-option.is-highlighted {
    background-color: var(--color-primary-light, #eff6ff);
    color: var(--color-primary, #3b82f6);
}

.cs-option.is-selected {
    font-weight: 600;
    color: var(--color-primary, #3b82f6);
}

.cs-option .cs-option-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cs-option .cs-option-flag {
    flex-shrink: 0;
    width: 18px;
    height: 12px;
    object-fit: cover;
    border-radius: 2px;
}

.cs-option.cs-empty {
    justify-content: center;
    color: var(--color-text-muted, #6b7280);
    font-size: 13px;
    cursor: default;
}

.cs-option.cs-empty:hover {
    background: none;
    color: var(--color-text-muted, #6b7280);
}

.cs-list.cs-loading {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-list.cs-loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border, #e5e7eb);
    border-top-color: var(--color-primary, #3b82f6);
    border-radius: 50%;
    animation: cs-spin 0.6s linear infinite;
}

@keyframes cs-spin {
    to { transform: rotate(360deg); }
}

.cs-container.cs-disabled .cs-control {
    background-color: var(--color-bg-body, #f9fafb);
    opacity: 0.6;
    cursor: not-allowed;
}

.cs-container.cs-disabled .cs-control:hover {
    border-color: var(--color-border, #e5e7eb);
}

.cs-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99998;
    opacity: 0;
    transition: opacity 0.25s ease;
    -webkit-tap-highlight-color: transparent;
}

.cs-backdrop.visible {
    opacity: 1;
}

@media (max-width: 576px) {
    .cs-dropdown {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(0.95);
        width: 92%;
        max-width: 440px;
        max-height: 75vh;
        border-radius: 16px;
        box-shadow: 0 24px 80px rgba(0,0,0,0.3);
        z-index: 99999;
        animation: none;
        opacity: 0;
        transition: opacity 0.2s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        display: block !important;
        visibility: hidden;
        pointer-events: none;
    }

    .cs-dropdown.cs-open {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        visibility: visible;
        pointer-events: auto;
    }

    .cs-option {
        font-size: 16px;
        padding: 14px 16px;
        min-height: 48px;
    }

    .cs-list {
        max-height: calc(75vh - 100px);
    }

    .cs-search-modal {
        display: block;
        position: sticky;
        top: 0;
        background: #FFF;
        padding: 12px;
        border-bottom: 1px solid var(--color-border, #e5e7eb);
    }

    .cs-search-modal input {
        width: 100%;
        height: 40px;
        padding: 0 12px;
        font-size: 16px;
        font-family: inherit;
        border: 1px solid var(--color-border, #e5e7eb);
        border-radius: 8px;
        outline: none;
    }

    .cs-search-modal input:focus {
        border-color: var(--color-primary, #3b82f6);
    }

    [data-cs-multiple] .cs-apply-btn {
        display: block;
    }
}

@media (min-width: 577px) {
    [data-cs-multiple] .cs-apply-btn {
        display: none;
    }
}

[data-cs-multiple] .cs-apply-btn {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background-color: var(--color-primary, #3b82f6);
    border: none;
    cursor: pointer;
    border-radius: 0 0 var(--radius-sm, 8px) var(--radius-sm, 8px);
    transition: background-color 0.15s ease;
}

[data-cs-multiple] .cs-apply-btn:hover {
    background-color: var(--color-primary-hover, #2563eb);
}

[data-cs-multiple] .cs-option .cs-option-label {
    display: flex;
    align-items: center;
}

[data-cs-multiple] .cs-option.is-selected .cs-option-label::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-right: 6px;
    color: var(--color-primary, #3b82f6);
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

[data-cs-multiple] .cs-option.is-selected {
    background-color: var(--color-primary-light, #eff6ff);
}

[data-cs-multiple] .cs-control .cs-value {
    display: flex;
    align-items: center;
    gap: 4px;
}

.cs-control[data-label] {
    flex-wrap: wrap;
    height: auto;
    min-height: 48px;
    padding-top: 5px;
    padding-bottom: 3px;
}

.cs-control[data-label]::before {
    content: attr(data-label);
    flex: 1 1 100%;
    font-size: 10px;
    line-height: 1.2;
    color: var(--color-text-muted, #6b7280);
    width: 100%;
}