/* Coreference Chain Annotation Styles */

.coref-container {
    margin: 10px 0;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fafafa;
}

.coref-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.coref-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a2e;
}

.coref-chain-count {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 500;
    padding: 2px 8px;
    background: #e2e8f0;
    border-radius: 12px;
}

/* Entity Type Selector */
.coref-entity-type-selector {
    margin-bottom: 10px;
}

.coref-section-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 4px;
}

.coref-entity-types {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.coref-entity-type {
    display: inline-flex;
}

.coref-entity-type-radio {
    display: none;
}

.coref-entity-type-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.15s;
}

.coref-entity-type-label:hover {
    border-color: var(--chain-color, #6E56CF);
    background: rgba(110, 86, 207, 0.05);
}

.coref-entity-type-radio:checked + .coref-entity-type-label {
    border-color: var(--chain-color, #6E56CF);
    background: rgba(110, 86, 207, 0.1);
    font-weight: 600;
}

.coref-color-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* Action Buttons */
.coref-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.coref-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: white;
    font-size: 0.8rem;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: all 0.15s;
}

.coref-btn:hover:not(:disabled) {
    background: #f1f5f9;
    border-color: #94a3b8;
}

.coref-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.coref-new-chain-btn:hover:not(:disabled) {
    background: #ede9fe;
    border-color: #6E56CF;
    color: #6E56CF;
}

.coref-remove-btn:hover:not(:disabled) {
    background: #fef2f2;
    border-color: #ef4444;
    color: #ef4444;
}

/* Chain Panel */
.coref-chain-panel {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: white;
}

.coref-chain-list {
    padding: 6px;
}

.coref-no-chains-message {
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    padding: 16px;
    margin: 0;
}

/* Individual Chain Item */
.coref-chain-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px;
    margin-bottom: 4px;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.coref-chain-item:hover {
    background: #f8fafc;
}

.coref-chain-item.active {
    border-color: var(--chain-color, #6E56CF);
    background: rgba(110, 86, 207, 0.04);
}

.coref-chain-color {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    margin-top: 2px;
}

.coref-chain-info {
    flex: 1;
    min-width: 0;
}

.coref-chain-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #1e293b;
}

.coref-chain-mentions {
    font-size: 0.78rem;
    color: #64748b;
    margin-top: 2px;
    line-height: 1.4;
}

.coref-chain-mention-tag {
    display: inline;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.05);
}

.coref-chain-delete {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: none;
    background: none;
    color: #94a3b8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1;
}

.coref-chain-delete:hover {
    background: #fef2f2;
    color: #ef4444;
}

/* Mention Highlighting Modes */
/* Background mode */
.coref-mention-highlight-background {
    border-radius: 2px;
    padding: 1px 0;
    cursor: pointer;
    transition: background-color 0.15s;
}

.coref-mention-highlight-background:hover {
    filter: brightness(0.9);
}

/* Bracket mode */
.coref-mention-highlight-bracket {
    border-bottom: 2px solid var(--chain-color, #6E56CF);
    cursor: pointer;
}

.coref-mention-highlight-bracket::before {
    content: "[";
    color: var(--chain-color, #6E56CF);
    font-weight: bold;
    font-size: 0.9em;
}

.coref-mention-highlight-bracket::after {
    content: "]";
    color: var(--chain-color, #6E56CF);
    font-weight: bold;
    font-size: 0.9em;
}

/* Underline mode */
.coref-mention-highlight-underline {
    border-bottom: 3px solid var(--chain-color, #6E56CF);
    cursor: pointer;
}

.coref-mention-highlight-underline:hover {
    border-bottom-width: 4px;
}