/* AA Literature Study - Annotation Styles */

/* Annotation Toolbar */
.annotation-toolbar {
    position: fixed;
    z-index: 200;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    flex-wrap: wrap;
    max-width: 450px;
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.toolbar-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-right: var(--spacing-xs);
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 var(--spacing-xs);
}

/* Color Buttons */
.color-btn {
    width: 24px;
    height: 24px;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-btn:hover {
    transform: scale(1.2);
}

.color-btn.active {
    border-color: var(--text-primary);
}

/* Underline Buttons */
.underline-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.underline-btn:hover {
    background-color: var(--bg-tertiary);
}

.underline-btn.active {
    border-color: var(--accent-color);
    background-color: var(--bg-tertiary);
}

/* Action Buttons */
.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.action-btn svg {
    flex-shrink: 0;
}

/* Highlight Styles */
.highlight {
    padding: 2px 0;
    border-radius: 2px;
    cursor: pointer;
    transition: filter var(--transition-fast);
}

.highlight:hover {
    filter: brightness(0.9);
}

.highlight-yellow {
    background-color: var(--highlight-yellow);
}

.highlight-green {
    background-color: var(--highlight-green);
}

.highlight-blue {
    background-color: var(--highlight-blue);
}

.highlight-pink {
    background-color: var(--highlight-pink);
}

.highlight-orange {
    background-color: var(--highlight-orange);
}

.highlight-purple {
    background-color: var(--highlight-purple);
}

/* Underline Styles */
.underline {
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.underline:hover {
    opacity: 0.7;
}

.underline-solid {
    text-decoration: underline;
    text-decoration-style: solid;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.underline-dashed {
    text-decoration: underline;
    text-decoration-style: dashed;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.underline-wavy {
    text-decoration: underline;
    text-decoration-style: wavy;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.underline-double {
    text-decoration: underline;
    text-decoration-style: double;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

/* Comment Annotation */
.has-comment {
    background-color: rgba(255, 193, 7, 0.15);
    border-bottom: 2px solid #ffc107;
    cursor: pointer;
}

.has-comment:hover {
    background-color: rgba(255, 193, 7, 0.25);
}

/* Question Annotation */
.has-question {
    background-color: rgba(33, 150, 243, 0.15);
    border-bottom: 2px solid #2196f3;
    cursor: pointer;
}

.has-question:hover {
    background-color: rgba(33, 150, 243, 0.25);
}

/* Definition Annotation */
.has-definition {
    background-color: rgba(156, 39, 176, 0.1);
    border-bottom: 2px dotted #9c27b0;
    cursor: help;
}

.has-definition:hover {
    background-color: rgba(156, 39, 176, 0.2);
}

/* Cross Reference */
.has-crossref {
    color: var(--accent-color);
    text-decoration: underline;
    text-decoration-style: dotted;
    cursor: pointer;
}

.has-crossref:hover {
    text-decoration-style: solid;
}

/* Annotation Popover */
.annotation-popover {
    position: absolute;
    z-index: 150;
    max-width: 300px;
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.popover-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.popover-type {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.popover-type.comment {
    color: #f57c00;
}

.popover-type.question {
    color: #1976d2;
}

.popover-type.definition {
    color: #7b1fa2;
}

.popover-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.popover-btn {
    padding: 4px;
    background: none;
    border: none;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.popover-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.popover-content {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.5;
}

.popover-selected {
    font-style: italic;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    background-color: var(--bg-primary);
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

/* Definition Tooltip */
.definition-tooltip {
    position: absolute;
    z-index: 160;
    max-width: 280px;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 6px;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-lg);
    pointer-events: none;
}

.definition-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 6px 6px 0;
    border-style: solid;
    border-color: var(--text-primary) transparent transparent;
}

/* Combined Annotations */
.highlight.has-comment,
.highlight.has-question,
.highlight.has-definition {
    position: relative;
}

.highlight.has-comment::after,
.highlight.has-question::after,
.highlight.has-definition::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.highlight.has-comment::after {
    background-color: #f57c00;
}

.highlight.has-question::after {
    background-color: #1976d2;
}

.highlight.has-definition::after {
    background-color: #7b1fa2;
}

/* Remove Annotation Button */
.annotation-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 18px;
    height: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    background-color: #f44336;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    z-index: 10;
}

.highlight:hover .annotation-remove,
.underline:hover .annotation-remove {
    display: flex;
}

/* Selection Styling */
::selection {
    background-color: var(--accent-color);
    color: white;
}