/* EditorJS Chart Tool - Modern Dark Theme */

/* Main Container */
.chart-tool {
    padding: 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    margin: 16px 0;
    transition: border-color 0.2s ease;
}

.chart-tool:hover {
    border-color: var(--color-border-strong);
}

/* Edit Toggle Button (reuses shared class) */
.chart-tool__lock-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    margin-bottom: 14px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--color-text-muted);
}

.chart-tool__lock-button:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

.chart-tool__lock-button--locked {
    background: var(--color-surface-active);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.chart-tool__lock-button svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Canvas Wrapper */
.chart-tool__canvas-wrapper {
    position: relative;
    height: 350px;
    background: var(--color-background);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--color-border);
}

/* Settings Panel */
.chart-tool__settings {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 16px;
    padding: 16px;
    background: var(--color-background);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

/* Field Groups */
.chart-tool__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Labels */
.chart-tool__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Inputs */
.chart-tool__input,
.chart-tool__textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
    transition: all 0.2s ease;
}

.chart-tool__input::placeholder,
.chart-tool__textarea::placeholder {
    color: var(--color-text-muted);
}

.chart-tool__input:hover,
.chart-tool__textarea:hover {
    border-color: var(--color-border-strong);
}

.chart-tool__input:focus,
.chart-tool__textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb, 63, 138, 224), 0.15);
}

.chart-tool__textarea {
    resize: vertical;
    min-height: 80px;
    font-family: 'SF Mono', Monaco, 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
}

/* Dataset Box */
.chart-tool__dataset-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.2s ease;
}

.chart-tool__dataset-box:hover {
    border-color: var(--color-border-strong);
}

.chart-tool__dataset-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

/* Color Picker */
.chart-tool__colors {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 8px;
    max-width: 320px;
}

.chart-tool__colors--popup {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    max-width: 180px;
}

.chart-tool__color {
    width: 32px;
    height: 32px;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
}

.chart-tool__color:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.chart-tool__color--selected {
    border-color: var(--color-text);
    box-shadow: 0 0 0 2px var(--color-background), 0 0 0 4px var(--color-accent);
}

.chart-tool__color--selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 14px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.chart-tool__add-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.chart-tool__add-button:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.chart-tool__add-button:active {
    transform: translateY(0);
}

/* Data Row */
.chart-tool__data-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 8px;
}

/* Remove Button */
.chart-tool__remove-button {
    width: 32px;
    height: 32px;
    padding: 0;
    background: var(--color-surface-elevated);
    color: #ef4444;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-tool__remove-button:hover {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
}

/* Custom Checkbox Toggle */
.chart-tool input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 44px;
    height: 24px;
    background: var(--color-surface-active);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s ease;
    outline: none;
    border: 1px solid var(--color-border);
}

.chart-tool input[type="checkbox"]:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.chart-tool input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 3px;
    transition: transform 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.chart-tool input[type="checkbox"]:checked::before {
    transform: translateX(20px);
}

/* Popover Icon */
.ce-popover__item-icon {
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Section Collapsible (optional enhancement) */
.chart-tool__section {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
}

.chart-tool__section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-surface-elevated);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
}

.chart-tool__section-header:hover {
    background: var(--color-surface-hover);
}

.chart-tool__section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.chart-tool__section-toggle {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: transform 0.2s ease;
}

.chart-tool__section--collapsed .chart-tool__section-toggle {
    transform: rotate(-90deg);
}

.chart-tool__section-content {
    padding: 16px;
    background: var(--color-background);
}

.chart-tool__section--collapsed .chart-tool__section-content {
    display: none;
}

/* Responsive */
@media (max-width: 640px) {
    .chart-tool {
        padding: 12px;
    }
    
    .chart-tool__canvas-wrapper {
        height: 280px;
        padding: 12px;
    }
    
    .chart-tool__settings {
        padding: 12px;
    }
    
    .chart-tool__colors {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .chart-tool__data-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .chart-tool__data-row .chart-tool__remove-button {
        width: 100%;
        height: 36px;
    }
}