/* lesson-dict 单词级双语词典气泡样式 */

.lesson-dict-tooltip {
 position: fixed;
 z-index: 100000;
 max-width: 360px;
 min-width: 200px;
 background: #ffffff;
 color: #1f2937;
 border: 1px solid rgba(0, 0, 0, 0.08);
 border-radius: 12px;
 padding: 12px 14px 10px;
 font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
 font-size: 13px;
 line-height: 1.55;
 box-shadow:
 0 12px 28px rgba(15, 23, 42, 0.18),
 0 2px 6px rgba(15, 23, 42, 0.08);
 opacity: 0;
 transform: translateY(4px);
 transition: opacity 0.18s ease, transform 0.18s ease;
 pointer-events: none;
}

.lesson-dict-tooltip.visible {
 opacity: 1;
 transform: translateY(0);
 pointer-events: auto;
}

/* 头部:单词 + 发音按钮 */
.lesson-dict-tooltip .ldt-head {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 8px;
 padding-bottom: 8px;
 margin-bottom: 8px;
 border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.lesson-dict-tooltip .ldt-word {
 font-size: 17px;
 font-weight: 700;
 color: #0f172a;
 letter-spacing: 0.2px;
}

.lesson-dict-tooltip .ldt-tts {
 flex: none;
 width: 28px;
 height: 28px;
 border: none;
 border-radius: 50%;
 background: linear-gradient(135deg, #3b82f6, #2563eb);
 color: #fff;
 font-size: 14px;
 cursor: pointer;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 transition: transform 0.15s ease, box-shadow 0.15s ease;
 box-shadow: 0 2px 6px rgba(37, 99, 235, 0.35);
}

.lesson-dict-tooltip .ldt-tts:hover {
 transform: scale(1.06);
 box-shadow: 0 4px 10px rgba(37, 99, 235, 0.45);
}

.lesson-dict-tooltip .ldt-tts:active {
 transform: scale(0.94);
}

/* 单条释义 */
.lesson-dict-tooltip .ldt-sense {
 margin-top: 8px;
}

.lesson-dict-tooltip .ldt-sense:first-of-type {
 margin-top: 0;
}

.lesson-dict-tooltip .ldt-line1 {
 display: flex;
 align-items: baseline;
 flex-wrap: wrap;
 gap: 8px;
 margin-bottom: 4px;
}

.lesson-dict-tooltip .ldt-pos {
 display: inline-block;
 flex: none;
 padding: 1px 7px;
 border-radius: 4px;
 background: #eef2ff;
 color: #4338ca;
 font-size: 11px;
 font-weight: 600;
 letter-spacing: 0.3px;
 text-transform: uppercase;
}

.lesson-dict-tooltip .ldt-zh {
 font-size: 14px;
 color: #0f172a;
 font-weight: 600;
}

.lesson-dict-tooltip .ldt-en {
 color: #475569;
 font-size: 12.5px;
 line-height: 1.5;
 margin: 2px 0 4px;
}

.lesson-dict-tooltip .ldt-ex {
 margin-top: 6px;
 padding: 6px 8px;
 background: #f8fafc;
 border-left: 3px solid #93c5fd;
 border-radius: 0 6px 6px 0;
 font-size: 12px;
 line-height: 1.6;
 color: #334155;
}

.lesson-dict-tooltip .ldt-ex-mark {
 color: #2563eb;
 font-weight: 700;
 margin-right: 4px;
}

.lesson-dict-tooltip .ldt-ex-en {
 color: #1e293b;
 font-style: italic;
}

.lesson-dict-tooltip .ldt-ex-zh {
 color: #64748b;
 margin-left: 14px;
}

.lesson-dict-tooltip .ldt-more {
 margin-top: 6px;
 font-size: 11px;
 color: #94a3b8;
 text-align: right;
 font-style: italic;
}

/* 暗色主题(可由父容器加 .dark-mode 触发) */
@media (prefers-color-scheme: dark) {
 .lesson-dict-tooltip {
 background: #1e293b;
 color: #e2e8f0;
 border-color: rgba(255, 255, 255, 0.08);
 }
 .lesson-dict-tooltip .ldt-head {
 border-bottom-color: rgba(255, 255, 255, 0.1);
 }
 .lesson-dict-tooltip .ldt-word { color: #f1f5f9; }
 .lesson-dict-tooltip .ldt-zh { color: #f1f5f9; }
 .lesson-dict-tooltip .ldt-en { color: #94a3b8; }
 .lesson-dict-tooltip .ldt-pos {
 background: rgba(99, 102, 241, 0.18);
 color: #c7d2fe;
 }
 .lesson-dict-tooltip .ldt-ex {
 background: rgba(255, 255, 255, 0.04);
 color: #cbd5e1;
 border-left-color: #60a5fa;
 }
 .lesson-dict-tooltip .ldt-ex-en { color: #e2e8f0; }
 .lesson-dict-tooltip .ldt-ex-zh { color: #94a3b8; }
}