/* ========================================
   CATEGORY DROPDOWN WITH CHECKBOXES
   ======================================== */
#category-form-group {
    position: relative;
}

.category-dropdown-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.category-dropdown-container {
    flex: 1;
    position: relative;
    min-width: 0;
}

.category-dropdown-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    color: var(--color-text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s, border-radius 0.2s;
    font-family: inherit;
    min-height: 52px;
    position: relative;
    z-index: 1;
}

.category-dropdown-toggle:hover {
    border-color: var(--color-text-muted);
}

.category-dropdown-toggle:focus {
    outline: none;
    border-color: var(--color-accent);
}

.category-dropdown-toggle.open {
    border-color: var(--color-accent);
    border-radius: 14px 14px 0 0;
    z-index: 11;
}

.dropdown-arrow {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    transition: transform 0.2s;
    margin-left: 0.5rem;
    flex-shrink: 0;
}

.category-dropdown-toggle.open .dropdown-arrow {
    transform: rotate(180deg);
}

#add-category-btn {
    flex-shrink: 0;
    align-self: stretch;
}

.category-dropdown-panel {
    position: absolute;
    top: calc(100% - 1px);
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-accent);
    border-top: none;
    border-radius: 0 0 14px 14px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 10;
    animation: fadeIn 0.15s ease;
    box-sizing: border-box;
}

.category-dropdown-panel::-webkit-scrollbar {
    width: 6px;
}

.category-dropdown-panel::-webkit-scrollbar-track {
    background: var(--color-border);
    border-radius: 3px;
}

.category-dropdown-panel::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 3px;
    transition: background 0.2s;
}

.category-dropdown-panel::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}

.category-dropdown-panel {
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-border);
}

.category-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.category-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 0.85rem;
    color: var(--color-text);
}

.category-checkbox-item:hover {
    background: var(--color-filter-bg);
}

.category-checkbox-item .custom-checkbox-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.category-checkbox-item .custom-checkbox-box {
    width: 16px;
    height: 16px;
    border: 1px solid var(--color-accent);
    border-radius: 6px;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
    background: var(--color-bg);
    transition: all 0.2s ease;
}

.category-checkbox-item .custom-checkbox-input:checked + .custom-checkbox-box {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.category-checkbox-item .custom-checkbox-input:checked + .custom-checkbox-box::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: 14px;
    font-weight: bold;
}

.category-checkbox-item .category-name {
    flex: 1;
}

.category-checkbox-item .category-shortcut {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    font-family: monospace;
    flex-shrink: 0;
    padding-left: 0.5rem;
}

.category-dropdown-footer {
    border-top: 1px solid var(--color-border);
    padding-top: 0.5rem;
    margin-top: 0.3rem;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Category manager styles */
.category-manager {
    display: none;
    margin-top: 0.5rem;
    padding: 1rem;
    background: var(--color-bg);
    border-radius: 14px;
    border: 1px solid var(--color-border);
    animation: fadeIn 0.2s ease;
}

.category-manager-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category-manager-title {
    margin: 0;
    font-size: 0.95rem;
}

.category-manager-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    transition: color 0.2s;
}

.category-manager-close:hover {
    color: var(--color-accent);
}

.category-list-container {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-border);
}

.category-list-container::-webkit-scrollbar {
    width: 6px;
}

.category-list-container::-webkit-scrollbar-track {
    background: var(--color-border);
    border-radius: 3px;
}

.category-list-container::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 3px;
    transition: background 0.2s;
}

.category-list-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}

.category-add-form {
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.category-add-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.category-add-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 0.2rem;
}

.category-input-field {
    width: 100%;
    padding: 0.5rem;
    border-radius: 10px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.category-input-field:hover {
    border-color: var(--color-text-muted);
}

.category-input-field:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(var(--color-accent-rgb), 0.15);
}

.category-add-hint {
    color: var(--color-text-muted);
    display: block;
    margin-top: 0.3rem;
    font-size: 0.75rem;
}

.category-add-btn {
    margin-top: 0.5rem;
    width: 100%;
}

.category-list-container input[type="text"] {
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.85rem;
    width: 100%;
    border: 1px solid var(--color-border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.category-list-container input[type="text"]:hover {
    border-color: var(--color-text-muted);
}

.category-list-container input[type="text"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(var(--color-accent-rgb), 0.15);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .category-dropdown-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .category-dropdown-toggle {
        font-size: 0.8rem;
        padding: 0.6rem 0.8rem;
        min-height: 44px;
    }
    
    .category-dropdown-panel {
        max-height: 180px;
    }
    
    .category-checkbox-item {
        font-size: 0.8rem;
        padding: 0.3rem 0.4rem;
        gap: 0.5rem;
    }

    .category-add-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}