.answer-panel {
	      position: fixed;
	      left: 50%;
      bottom: 18px;
      bottom: calc(18px + var(--keyboard-offset, 0px) + env(safe-area-inset-bottom, 0px));
      z-index: 40;
      width: min(760px, calc(100% - 32px));
      display: grid;
      gap: 14px;
      margin: 0 auto;
      padding: 14px 16px 16px;
      border: 1px solid var(--paper-line);
      border-radius: 8px;
      background: rgba(247, 243, 233, .94);
      box-shadow: 0 -10px 34px rgba(52, 43, 31, .12);
      backdrop-filter: blur(14px);
	      transform: translateX(-50%);
	    }

	    .answer-panel.is-omni-voice {
	      padding: 0;
	      border: 0;
	      background: transparent;
	      box-shadow: none;
	      backdrop-filter: none;
	    }

    .answer-panel.is-omni-voice .attempt-line,
    .answer-panel.is-omni-voice .omni-voice-panel {
      display: none;
    }

    .answer-panel.is-omni-voice .action-row {
      grid-template-columns: 142px minmax(220px, 1fr);
    }

    .answer-panel.is-omni-voice .action-row.is-omni-complete {
      grid-template-columns: 142px minmax(220px, 1fr);
    }

	    .attempt-line {
	      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      color: var(--faint);
      font-size: 13px;
    }

    .trans-input {
      width: 100%;
      height: 43px;
      min-height: 43px;
      max-height: 220px;
      padding: 0 58px 3px 0;
      border: 0;
      outline: 0;
      resize: vertical;
      overflow-y: hidden;
      color: var(--ink);
      background:
        repeating-linear-gradient(
          var(--paper),
          var(--paper) 38px,
          var(--paper-line-strong) 39px
        );
      font-family: var(--font-cn);
      font-size: 21px;
      line-height: 39px;
      letter-spacing: 0;
    }

    .trans-input-wrap {
      position: relative;
      min-width: 0;
    }

    .speech-btn {
      position: absolute;
      top: 50%;
      right: -10px;
      width: 56px;
      height: 56px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 0;
      border-radius: 999px;
      color: var(--ink);
      background: transparent;
      cursor: pointer;
      transform: translateY(-50%);
      -webkit-tap-highlight-color: transparent;
      touch-action: manipulation;
      transition: color .16s var(--ease), background .16s var(--ease), transform .16s var(--ease);
    }

    .speech-btn svg {
      width: 21px;
      height: 21px;
      stroke: currentColor;
      stroke-width: 2;
    }

    .speech-btn:hover {
      background: rgba(35, 32, 27, .05);
    }

    .speech-btn:active {
      transform: translateY(-50%) scale(.94);
    }

    .speech-btn.is-recording {
      color: var(--red);
      background: rgba(226, 72, 61, .08);
    }

    .speech-btn.is-busy {
      color: var(--muted);
      cursor: wait;
    }

    .speech-btn:disabled {
      color: var(--faint);
      cursor: not-allowed;
    }

    .omni-voice-panel {
      min-height: 0;
      display: flex;
      align-items: center;
      padding: 0 2px;
      color: var(--muted);
      font-family: var(--font-cn);
      font-size: 16px;
      line-height: 1.5;
    }

    .omni-voice-status {
      width: 100%;
      padding: 10px 0;
    }

    .omni-voice-status:empty {
      display: none;
      padding: 0;
    }

    .omni-voice-status.is-recording {
      color: var(--red);
    }

    .omni-voice-status.is-busy {
      color: var(--ink-soft);
    }

    .omni-voice-btn {
      position: relative;
      overflow: hidden;
      gap: 12px;
      justify-content: center;
      transition: background .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
    }

    .action-row.is-omni-voice .omni-voice-btn {
      gap: 0;
      padding-inline: 12px;
    }

    .action-row.is-omni-voice .omni-voice-wave {
      display: none;
    }

    .omni-voice-btn.is-passed {
      color: var(--faint);
      background: var(--paper-line);
      border-color: var(--paper-line);
      box-shadow: none;
    }

    .omni-voice-btn-label {
      position: relative;
      z-index: 1;
      white-space: nowrap;
    }

    .omni-voice-wave {
      position: relative;
      z-index: 1;
      width: 34px;
      flex: 0 0 34px;
      height: 24px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      opacity: .5;
      transition: opacity .18s var(--ease);
    }

    .omni-voice-wave span {
      width: 4px;
      height: calc(6px + var(--bar, .28) * 18px);
      min-height: 6px;
      border-radius: 999px;
      background: currentColor;
      transform-origin: center;
      transition: height .08s linear, opacity .18s var(--ease);
      opacity: .74;
    }

    .omni-voice-wave.is-left span:nth-child(1) { --bar: var(--bar-1, .3); }
    .omni-voice-wave.is-left span:nth-child(2) { --bar: var(--bar-2, .5); }
    .omni-voice-wave.is-left span:nth-child(3) { --bar: var(--bar-3, .24); }
    .omni-voice-wave.is-right span:nth-child(1) { --bar: var(--bar-4, .56); }
    .omni-voice-wave.is-right span:nth-child(2) { --bar: var(--bar-5, .34); }
    .omni-voice-wave.is-right span:nth-child(3) { --bar: var(--bar-6, .44); }

    .omni-voice-btn:not(.is-recording) .omni-voice-wave {
      opacity: .28;
    }

    .omni-voice-btn.is-recording,
    .omni-voice-btn.is-busy {
      color: var(--red);
      background: rgba(238, 85, 36, .1);
      border-color: var(--red);
      box-shadow: none;
    }

    .omni-voice-btn.is-recording .omni-voice-wave {
      opacity: 1;
    }

    .action-row.is-omni-voice .omni-voice-btn.is-busy {
      gap: 8px;
    }

    .omni-voice-btn.is-busy {
      cursor: wait;
    }

    .omni-voice-btn.is-busy::before {
      content: '';
      position: relative;
      z-index: 1;
      width: 16px;
      height: 16px;
      flex: 0 0 16px;
      border: 2px solid rgba(238, 85, 36, .25);
      border-top-color: currentColor;
      border-radius: 50%;
      animation: omniBusySpin .72s linear infinite;
    }

    .omni-voice-btn.is-busy .omni-voice-wave {
      display: none;
    }

    @keyframes omniBusySpin {
      to { transform: rotate(360deg); }
    }

    .trans-input::placeholder {
      color: var(--faint);
    }

    .trans-input.has-rejected::placeholder {
      color: rgba(197, 60, 50, .34);
    }

    .trans-input.is-correct {
      color: var(--green);
    }

    .trans-input.is-wrong {
      color: var(--red-deep);
      animation: shake .32s var(--ease);
    }

    @keyframes shake {
      0%, 100% { transform: translateX(0); }
      25% { transform: translateX(-6px); }
      50% { transform: translateX(6px); }
      75% { transform: translateX(-3px); }
    }

    .feedback-strip {
      display: none;
      padding: 13px 15px;
      border-radius: 8px;
      font-size: 14px;
      line-height: 1.65;
    }

    .feedback-strip.show {
      display: block;
      animation: screen-in .18s var(--ease) both;
    }

    .feedback-strip.is-correct {
      background: var(--green-soft);
      color: var(--green);
      border: 1px solid rgba(46, 125, 91, .22);
    }

    .feedback-strip.is-correct.show {
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .feedback-strip.is-wrong {
      background: var(--red-soft);
      color: var(--red-deep);
      border: 1px solid rgba(197, 60, 50, .18);
    }

    .action-row {
      display: grid;
      grid-template-columns: 142px minmax(0, 1fr);
      gap: 12px;
      align-items: stretch;
    }

    .action-row .secondary-btn,
    .action-row .primary-btn {
      width: 100%;
      height: 58px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }