/* Keyboard navigation indicator and help */
.keyboard-nav-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: help;
    transition: all 0.2s ease;
    margin-left: 8px;
}

.keyboard-nav-hint:hover {
    background: var(--lora-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.08);
}

.keyboard-nav-hint i {
    font-size: 14px;
}

/* Tooltip styling */
.tooltip {
    position: relative;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 240px;
    background-color: var(--lora-surface);
    color: var(--text-color);
    text-align: center;
    border-radius: var(--border-radius-xs);
    padding: 8px;
    position: absolute;
    z-index: 9999; /* 确保在卡片上方显示 */
    left: 120%; /* 将tooltip显示在图标右侧 */
    top: 50%; /* 垂直居中 */
    transform: translateY(-50%); /* 垂直居中 */
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--lora-border);
    font-size: 0.85em;
    line-height: 1.4;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 50%; /* 箭头垂直居中 */
    right: 100%; /* 箭头在左侧 */
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent var(--lora-border) transparent transparent; /* 箭头指向左侧 */
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Keyboard shortcuts table */
.keyboard-shortcuts {
    width: 100%;
    border-collapse: collapse;
    margin-top: 5px;
}

.keyboard-shortcuts td {
    padding: 4px;
    text-align: left;
}

.keyboard-shortcuts td:first-child {
    font-weight: bold;
    width: 40%;
}

.key {
    display: inline-block;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 0.8em;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}