/* ═══════════════════════════════════════════
   WP Smart Refs & Icons — Frontend Styles
   ═══════════════════════════════════════════ */

/* ── 引用序号（行内样式，非上角标） ── */
.wpsr-ref {
    position: relative;
    display: inline;
    cursor: pointer;
}

.wpsr-ref-link {
    text-decoration: none !important;
    color: #2563eb;
    font-weight: 600;
    font-size: 0.9em;
    transition: color 0.15s ease;
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    white-space: nowrap;
}

.wpsr-ref-link:hover {
    color: #1d4ed8;
}

/* ── Tooltip 卡片 ── */
.wpsr-tooltip {
    position: absolute;
    z-index: 99999;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 300px;
    max-width: 420px;
    padding: 14px 18px;
    background: #1e293b;
    color: #f8fafc;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.5;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.12);
    pointer-events: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform: translateX(-50%) translateY(4px);
}

/* 箭头 */
.wpsr-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 7px solid transparent;
    border-top-color: #1e293b;
}

/* 悬浮 + 保持显示状态 */
.wpsr-ref:hover .wpsr-tooltip,
.wpsr-tooltip.wpsr-tooltip-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Tooltip 标题 */
.wpsr-tooltip-title {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    color: #ffffff;
    word-break: break-word;
}

/* Tooltip URL 链接 */
.wpsr-tooltip-url {
    display: block;
    margin-bottom: 8px;
}
.wpsr-tooltip-url a {
    color: #60a5fa !important;
    text-decoration: none !important;
    font-size: 12px;
    word-break: break-all;
    border: none !important;
    box-shadow: none !important;
}
.wpsr-tooltip-url a:hover {
    text-decoration: underline !important;
}

/* Tooltip 快照摘要 */
.wpsr-tooltip-snippet {
    display: block;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 12px;
    color: #cbd5e1;
    line-height: 1.5;
}

/* ── 响应式：手机端 ── */
@media (max-width: 640px) {
    .wpsr-tooltip {
        min-width: 200px;
        max-width: 260px;
        left: 0;
        transform: translateY(4px);
    }
    .wpsr-ref:hover .wpsr-tooltip {
        transform: translateY(0);
    }
    .wpsr-tooltip::after {
        left: 20px;
    }
}

/* ── 工具提示动画 ── */
@keyframes wpsr-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── 图标 ── */
.wpsr-icon,
.wpsr-icon-link {
    display: inline-block;
    vertical-align: middle;
    margin: 0 2px;
    transition: transform 0.15s ease;
}
.wpsr-icon:hover,
.wpsr-icon-link:hover {
    transform: scale(1.15);
}
.wpsr-icon-link {
    text-decoration: none !important;
    border: none !important;
    box-shadow: none !important;
}