html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}


.snippet-tool-panel {
    position: fixed;
    top: 80px;
    right: 16px;
    bottom: 80px;
    width: min(760px, calc(100vw - 32px));
    z-index: 1199;
    border: 1px solid #d9d9d9;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.18);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.snippet-tool-header {
    padding: 12px 14px 8px 14px;
    border-bottom: 1px solid #e6e6e6;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.snippet-tool-hint {
    font-size: 12px;
    color: #666;
}

.snippet-tool-toolbar {
    padding: 10px 14px;
    border-bottom: 1px solid #e6e6e6;
    display: grid;
    grid-template-columns: 1fr 170px auto;
    gap: 8px;
}

.snippet-tool-input,
.snippet-tool-select {
    border: 1px solid #c5c5c5;
    border-radius: 4px;
    padding: 6px 8px;
    min-height: 32px;
    width: 100%;
}

.snippet-tool-status {
    padding: 8px 14px;
    border-bottom: 1px solid #e6e6e6;
    font-size: 12px;
    color: #444;
}

.snippet-tool-loading {
    padding: 18px 14px;
    color: #666;
    font-size: 14px;
}

.snippet-tool-grid {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.snippet-tool-text {
    white-space: pre-wrap;
    line-height: 1.3;
}

@media (max-width: 920px) {
    .snippet-tool-panel {
        top: 60px;
        right: 8px;
        left: 8px;
        width: auto;
        bottom: 72px;
    }

    .snippet-tool-toolbar {
        grid-template-columns: 1fr;
    }
}

.snippet-mention-popover {
    position: absolute;
    z-index: 2000;
    width: min(420px, calc(100vw - 24px));
    max-height: 320px;
    overflow: auto;
    border: 1px solid #d0d0d0;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.snippet-mention-list {
    display: flex;
    flex-direction: column;
}

.snippet-mention-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border: 0;
    border-bottom: 1px solid #ececec;
    padding: 8px 10px;
    background: transparent;
    text-align: left;
    width: 100%;
    cursor: pointer;
}

.snippet-mention-item:last-child {
    border-bottom: 0;
}

.snippet-mention-item:hover,
.snippet-mention-item.selected {
    background: #eff6ff;
}

.snippet-mention-text {
    font-size: 13px;
    color: #1f2937;
    white-space: pre-wrap;
    line-height: 1.35;
    width: 100%;
}