/* speech.css — 語音朗讀浮動控制面板樣式 */

/* ---------- 浮動面板 ---------- */
.speech-panel {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2147483647;
  background: rgba(23, 23, 31, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 0.8rem 1rem;
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
  font-size: 0.78rem;
  color: #eceaf4;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06);
  transition: opacity 0.2s, transform 0.2s;
  min-width: 260px;
}

.speech-panel.speech-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

/* ---------- 頂列：播放控制 ---------- */
.speech-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.speech-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: #eceaf4;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  flex-shrink: 0;
}

.speech-btn:hover {
  background: rgba(34, 211, 238, 0.15);
  border-color: rgba(34, 211, 238, 0.4);
}

.speech-btn:active {
  transform: scale(0.94);
}

.speech-btn.active {
  background: rgba(34, 211, 238, 0.2);
  border-color: rgba(34, 211, 238, 0.6);
  color: #22d3ee;
}

.speech-btn.stop {
  color: #f87171;
}

.speech-btn.stop:hover {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.4);
}

/* ---------- 語速滑桿 ---------- */
.speech-speed-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
}

.speech-speed-wrap label {
  font-size: 0.68rem;
  color: #a3a1b6;
  white-space: nowrap;
}

.speech-speed-wrap input[type="range"] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
}

.speech-speed-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #22d3ee;
  cursor: pointer;
  box-shadow: 0 0 6px rgba(34, 211, 238, 0.5);
}

.speech-speed-wrap input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #22d3ee;
  cursor: pointer;
  border: none;
}

.speech-speed-val {
  font-size: 0.68rem;
  color: #22d3ee;
  min-width: 2.2em;
  text-align: right;
}

/* ---------- 語音 / 語言選擇 ---------- */
.speech-row2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.speech-select {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #eceaf4;
  font-size: 0.72rem;
  padding: 0.3rem 0.5rem;
  outline: none;
  cursor: pointer;
}

.speech-select:focus {
  border-color: rgba(34, 211, 238, 0.5);
}

.speech-select option {
  background: #17171f;
  color: #eceaf4;
}

/* ---------- 語言模式切換 ---------- */
.speech-lang-modes {
  display: flex;
  gap: 0.3rem;
}

.speech-lang-btn {
  font-size: 0.64rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: #a3a1b6;
  cursor: pointer;
  transition: all 0.15s;
}

.speech-lang-btn:hover {
  color: #eceaf4;
  border-color: rgba(255, 255, 255, 0.2);
}

.speech-lang-btn.active {
  background: rgba(34, 211, 238, 0.15);
  border-color: rgba(34, 211, 238, 0.5);
  color: #22d3ee;
}

/* ---------- 狀態文字 ---------- */
.speech-status {
  font-size: 0.64rem;
  color: #6e6c80;
  margin-top: 0.3rem;
  text-align: center;
  min-height: 1em;
}

/* ---------- 段落高亮 ---------- */
.speech-highlight {
  background: rgba(251, 191, 36, 0.12) !important;
  border-left: 3px solid #fbbf24 !important;
  padding-left: 0.6rem !important;
  border-radius: 0 6px 6px 0 !important;
  transition: background 0.25s, border-color 0.25s;
}

/* ---------- 展開/收合 ---------- */
.speech-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2147483646;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(23, 23, 31, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #22d3ee;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.15s;
}

.speech-toggle:hover {
  transform: scale(1.08);
  background: rgba(34, 211, 238, 0.15);
}

.speech-toggle.panel-open {
  display: none;
}

/* ---------- 鍵盤快捷鍵提示 ---------- */
.speech-hotkeys {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 0.35rem;
  font-size: 0.58rem;
  color: #6e6c80;
}

.speech-hotkeys kbd {
  display: inline-block;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  padding: 0 0.3rem;
  font-family: inherit;
  font-size: 0.58rem;
}

/* ---------- 不支援時的提示 ---------- */
.speech-unsupported {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  background: rgba(23, 23, 31, 0.96);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 12px;
  padding: 0.6rem 0.9rem;
  font-size: 0.72rem;
  color: #f87171;
}

/* ---------- 手機版 ---------- */
@media (max-width: 600px) {
  .speech-panel {
    bottom: 0.8rem;
    right: 0.8rem;
    left: 0.8rem;
    min-width: unset;
    padding: 0.6rem 0.8rem;
  }

  .speech-toggle {
    bottom: 0.8rem;
    right: 0.8rem;
  }

  .speech-btn {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
}