.recorder-stage{
  max-width: 620px;
  margin: 14px auto 0;
  padding: 20px 16px 8px;
  text-align: center;
}
.rec-state{
  display: block;
}
.rec-state.hide{
  display: none !important;
}

#file{ display: none; }

.idle-grid{
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}
.idle-row{
  text-align: left;
}
.idle-row label.row-label{
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}
.idle-row select{
  width: 100%;
  padding: 9px 14px;
  font-size: 14px;
  border: 1px solid #e5e7f0;
  border-radius: 3px;
  background: #fff;
  outline: none;
  cursor: pointer;
}
.mic-row{
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.mic-row select{
  flex: 1;
  width: auto;
}
.mic-detect-btn{
  background: #fff;
  border: 1px solid #e5e7f0;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--pcolor);
  border-radius: 3px;
  cursor: pointer;
  white-space: nowrap;
}
.mic-detect-btn:hover{
  border-color: var(--pcolor);
  background: #f8f9ff;
}

.music-section{
  background: #f8f9ff;
  border: 1px solid #e5e7f0;
  border-radius: 4px;
  padding: 12px 14px;
}
.music-toggle-label{
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #262626;
}
.music-toggle-label input[type="checkbox"]{
  accent-color: var(--pcolor);
  width: 16px;
  height: 16px;
  cursor: pointer;
}
.music-config{
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.music-config input[type="file"]{
  display: none;
}
.music-chips{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.music-chip{
  cursor: pointer;
}
.music-chip input[type="radio"]{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.music-chip span{
  display: inline-block;
  padding: 7px 14px;
  background: #fff;
  border: 1px solid #e5e7f0;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: #555;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  user-select: none;
}
.music-chip:hover span{
  border-color: var(--pcolor);
  color: var(--pcolor);
}
.music-chip input[type="radio"]:checked + span{
  background: var(--pcolor);
  border-color: var(--pcolor);
  color: #fff;
  font-weight: 600;
}
.music-pick-btn{
  display: block;
  padding: 9px 14px;
  background: #fff;
  border: 1px dashed #c9cee5;
  border-radius: 3px;
  font-size: 14px;
  color: var(--pcolor);
  text-align: center;
  cursor: pointer;
  font-weight: 500;
}
.music-pick-btn:hover{
  border-style: solid;
  border-color: var(--pcolor);
}
.preview-row{
  display: flex;
  gap: 10px;
  align-items: center;
  background: #fff;
  border: 1px solid #e5e7f0;
  border-radius: 3px;
  padding: 7px 12px;
}
.preview-btn{
  background: var(--pcolor);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-width: 70px;
}
.preview-btn:hover{
  background: #373c8f;
}
.preview-btn.playing{
  background: #d31b5a;
}
.preview-btn.playing:hover{
  background: #b00d44;
}
.preview-track{
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--pcolor);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.preview-time{
  font-size: 12px;
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  white-space: nowrap;
}
.vol-row{
  display: flex;
  align-items: center;
  gap: 10px;
}
.vol-row .vol-label{
  width: 56px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}
.vol-row input[type="range"]{
  flex: 1;
  accent-color: var(--pcolor);
}
.vol-row .vol-val{
  width: 44px;
  text-align: right;
  font-size: 13px;
  font-weight: 600;
  color: var(--pcolor);
}
.music-tip{
  font-size: 12px;
  color: var(--muted);
  margin: 4px 0 0;
  line-height: 1.4;
  background: #fffbe9;
  border-left: 3px solid #ffd54f;
  padding: 6px 10px;
  border-radius: 2px;
}
.music-credit{
  font-size: 11px;
  color: var(--muted);
  margin: 4px 0 0;
  line-height: 1.4;
}
.music-credit a{
  color: var(--pcolor);
}

.start-btn{
  background: linear-gradient(135deg, #d31b5a, #b00d44);
  color: #fff;
  border: none;
  padding: 16px 36px;
  border-radius: 60px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 18px auto 0;
  min-width: 260px;
  box-shadow: 0 6px 18px rgba(211, 27, 90, 0.25);
  transition: transform 0.15s, box-shadow 0.15s;
}
.start-btn:hover:not(:disabled){
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(211, 27, 90, 0.35);
}
.start-btn:disabled{
  opacity: 0.6;
  cursor: not-allowed;
}
.rec-dot{
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  display: inline-block;
}

.advanced{
  border: 1px solid #e5e7f0;
  border-radius: 3px;
  padding: 0;
  margin-top: 14px;
  background: #fff;
  text-align: left;
}
.advanced summary{
  cursor: pointer;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pcolor);
  user-select: none;
}
.advanced[open] summary{
  border-bottom: 1px solid #eef0fa;
}
.adv-body{
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.adv-body label{
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #262626;
  cursor: pointer;
}
.adv-body input[type="checkbox"]{
  accent-color: var(--pcolor);
  width: 16px;
  height: 16px;
}

#countdownState{
  padding: 60px 0;
}
.countdown-num{
  font-size: 140px;
  font-weight: 800;
  color: var(--pcolor);
  line-height: 1;
  animation: cdpulse 1s ease-out;
}
#countdownState p{
  font-size: 16px;
  color: var(--muted);
  margin-top: 14px;
}
@keyframes cdpulse{
  0% { transform: scale(0.5); opacity: 0; }
  30% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.waveform-wrap{
  background: #fafbff;
  border-radius: 6px;
  border: 1px solid #eef0fa;
  padding: 12px;
  margin-bottom: 16px;
}
canvas.waveform{
  width: 100%;
  height: 120px;
  display: block;
}

.rec-info{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 18px;
}
.rec-pulse{
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #d31b5a;
  display: inline-block;
  animation: pulse 1.2s ease-in-out infinite;
}
.rec-pulse.paused{
  background: #999;
  animation: none;
}
@keyframes pulse{
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.rec-timer{
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 28px;
  font-weight: 700;
  color: #262626;
  letter-spacing: 1px;
}
.rec-status{
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rec-controls{
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.ctrl-btn{
  background: #fff;
  border: 1px solid #e5e7f0;
  padding: 10px 22px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pcolor);
  cursor: pointer;
  min-width: 110px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ctrl-btn:hover{
  border-color: var(--pcolor);
  box-shadow: 0 1px 3px rgba(68, 73, 166, 0.12);
}
.ctrl-btn.stop{
  background: var(--pcolor);
  color: #fff;
  border-color: var(--pcolor);
}
.ctrl-btn.stop:hover{
  background: #373c8f;
}
.ctrl-btn.danger{
  background: #d31b5a;
  color: #fff;
  border-color: #d31b5a;
}

#processingState{
  padding: 40px 0;
}
.proc-spinner{
  width: 32px;
  height: 32px;
  border: 4px solid var(--pcolor);
  border-top-color: rgba(255,255,255,0.3);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 14px;
}
@keyframes spin{
  to { transform: rotate(360deg); }
}

.done-card{
  background: #fff;
  border: 1px solid #eef0fa;
  border-radius: 6px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}
.done-card audio{
  width: 100%;
}
.done-meta{
  display: flex;
  justify-content: center;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}
.done-actions{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: stretch;
}
.done-actions select{
  flex: 1 1 180px;
  padding: 9px 12px;
  font-size: 14px;
  border: 1px solid #e5e7f0;
  border-radius: 3px;
  background: #fff;
}
.done-actions .download-btn{
  flex: 1 1 130px;
  text-align: center;
  background: var(--pcolor);
  color: #fff;
  padding: 10px 16px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.done-actions .download-btn:hover{
  background: #373c8f;
}
.done-actions .ctrl-btn{
  flex: 1 1 130px;
}

.error-card{
  background: #fff5f7;
  border: 1px solid #f5c5d3;
  border-radius: 6px;
  padding: 18px;
  text-align: left;
}
.error-card h3{
  color: #b00d44;
  margin: 0 0 8px;
  font-size: 16px;
}
.error-card p{
  color: #444;
  font-size: 14px;
  margin: 0 0 12px;
  line-height: 1.5;
}
.error-card .ctrl-btn{
  display: inline-block;
}

@media screen and (max-width: 600px){
  .start-btn{
    min-width: auto;
    width: 100%;
  }
  .countdown-num{
    font-size: 110px;
  }
  .rec-timer{
    font-size: 24px;
  }
  canvas.waveform{
    height: 90px;
  }
}