/**
 * Formula Editor Styles
 * Popup UI for building formula columns
 */

/* Backdrop */
.formula-editor-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-popup-deep, 10200);
    backdrop-filter: blur(4px);
}

/* Container */
.formula-editor-popup {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* Header */
.formula-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-primary);
}

.formula-editor-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.formula-editor-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.formula-editor-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Editor input wrapper */
.formula-editor-input-wrapper {
    padding: 16px 20px 8px;
}

.formula-editor-input {
    min-height: 60px;
    max-height: 120px;
    overflow-y: auto;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.6;
    cursor: text;
}

.formula-editor-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.formula-editor-input:empty::before {
    content: attr(data-placeholder);
    color: var(--text-tertiary);
    pointer-events: none;
}

/* Chips in editor */
.formula-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    margin: 2px;
    border-radius: 4px;
    font-size: 13px;
    vertical-align: middle;
    cursor: default;
    user-select: none;
}

.formula-chip--column {
    background: var(--accent-primary);
    background: rgba(var(--accent-primary-rgb, 59, 130, 246), 0.15);
    color: var(--accent-primary);
    font-weight: 500;
}

.formula-chip--keyword {
    color: var(--accent-secondary, #8b5cf6);
    font-weight: 600;
    background: rgba(139, 92, 246, 0.1);
}

.formula-chip--compare {
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    font-family: monospace;
}

.formula-chip--operator {
    color: var(--text-secondary);
    padding: 2px 6px;
    font-family: monospace;
}

.formula-chip--paren {
    color: var(--text-tertiary);
    padding: 2px 4px;
    font-family: monospace;
    font-weight: 500;
}

.formula-chip--number {
    color: var(--status-warning, #f59e0b);
    background: rgba(245, 158, 11, 0.1);
    font-family: monospace;
}

.formula-chip--text {
    color: var(--status-success, #10b981);
    background: rgba(16, 185, 129, 0.1);
}

.formula-chip--function {
    color: var(--accent-tertiary, #ec4899);
    background: rgba(236, 72, 153, 0.1);
    font-weight: 500;
}

.formula-chip--separator {
    color: var(--text-tertiary);
    padding: 0 2px;
}

/* Preview */
.formula-editor-preview {
    padding: 8px 20px 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.formula-preview-label {
    color: var(--text-tertiary);
    margin-inline-end: 8px;
}

.formula-preview-value {
    color: var(--text-primary);
    font-weight: 500;
}

.formula-preview-value--success {
    color: var(--status-success, #10b981);
}

.formula-preview-value--error {
    color: var(--status-error, #ef4444);
}

/* Sections container */
.formula-editor-sections {
    padding: 0 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Section */
.formula-editor-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.formula-editor-section-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.formula-editor-section-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* Section chips (clickable) */
.formula-editor-section-chip {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.formula-editor-section-chip:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.formula-editor-section-chip--column:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.formula-editor-section-chip--keyword:hover {
    border-color: var(--accent-secondary, #8b5cf6);
    color: var(--accent-secondary, #8b5cf6);
}

.formula-editor-section-chip--function:hover {
    border-color: var(--accent-tertiary, #ec4899);
    color: var(--accent-tertiary, #ec4899);
}

/* Footer */
.formula-editor-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-primary);
}

.formula-editor-btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.formula-editor-btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
}

.formula-editor-btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.formula-editor-btn-primary {
    background: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    color: white;
}

.formula-editor-btn-primary:hover {
    filter: brightness(1.1);
}

/* Formula cell states (for card.js) */
.formula-cell-empty {
    color: var(--text-tertiary);
    font-style: italic;
    cursor: pointer;
}

.formula-cell-error {
    color: var(--status-error, #ef4444);
}

.formula-cell-value {
    cursor: pointer;
}

.formula-cell-value:hover {
    text-decoration: underline;
    text-underline-offset: 2px;
}