/* exam-overlay.css — 考題標記 UI */

/* ── 切換按鈕 ─────────────────────── */
#exam-toggle-btn {
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 2000;
  padding: 5px 12px;
  font-size: 13px;
  font-family: -apple-system, "Hiragino Sans", sans-serif;
  background: #888;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0.85;
  transition: background 0.15s, opacity 0.15s;
}
#exam-toggle-btn:hover { opacity: 1; }
#exam-toggle-btn.active { background: #5a3a7a; }

/* ── 被標記的元素 ──────────────────── */
.exam-mark {
  position: relative; /* 讓 badge 可以絕對定位 */
}
body.exam-active .exam-mark {
  background-color: rgba(255, 215, 0, 0.12);
  outline: 2px dashed rgba(180, 120, 0, 0.55);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── 標籤 badge ────────────────────── */
.exam-badge {
  display: none;         /* 預設隱藏 */
  position: absolute;
  top: 2px;
  right: 0;
  font-size: 11px;
  font-weight: bold;
  font-family: -apple-system, "Hiragino Sans", sans-serif;
  padding: 1px 7px 2px;
  border-radius: 8px;
  white-space: nowrap;
  cursor: default;
  line-height: 1.6;
  z-index: 500;
  /* 預設顏色（名詞・文學） */
  background: #5a3a7a;
  color: #fff;
}
body.exam-active .exam-badge { display: inline-block; }

/* 顏色：科目 × 題型 */
.exam-badge[data-subj="文學"][data-type="名詞"] { background: #5a3a7a; } /* 紫 */
.exam-badge[data-subj="文學"][data-type="申論"] { background: #2c5f8a; } /* 藍 */
.exam-badge[data-subj="文化"][data-type="名詞"] { background: #2c7a4a; } /* 綠 */
.exam-badge[data-subj="文化"][data-type="申論"] { background: #8a5a2a; } /* 橘 */

/* 多個 badge 之間保留間距 */
.exam-badge + .exam-badge { margin-right: 60px; }

/* ── Tooltip ───────────────────────── */
.exam-badge .exam-tt {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 5px);
  min-width: 200px;
  max-width: 320px;
  background: #222;
  color: #f4f4f4;
  font-size: 12px;
  font-weight: normal;
  line-height: 1.6;
  padding: 8px 12px;
  border-radius: 7px;
  white-space: pre-wrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  z-index: 9999;
  text-align: left;
}
.exam-badge:hover .exam-tt { display: block; }