.counter-main {
  max-width: 1000px;
}

.counter-hero {
  text-align: center;
  padding: 26px 16px 64px;
}

.counter-hero h1 {
  font-family: var(--font-jp-serif);
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.25;
  margin-bottom: 22px;
}

.counter-hero h1 span {
  color: var(--vermilion-soft);
}

.counter-hero p {
  color: var(--paper-soft);
  opacity: 0.88;
}

.hero-badges,
.button-row,
.preview-controls,
.render-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.hero-badges {
  margin-top: 24px;
}

.hero-badges span {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 12px;
  color: var(--mint-soft);
  font-size: 12px;
}

.app-status,
.notice {
  border-radius: 10px;
  padding: 13px 16px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  font-size: 14px;
}

.app-status[data-state="working"] {
  border-color: var(--gold);
  color: var(--gold);
}

.app-status[data-state="success"],
.notice.success {
  border-color: var(--mint);
  color: var(--mint-soft);
}

.app-status[data-state="error"],
.notice.warning {
  border-color: var(--vermilion-soft);
  color: #f5aa91;
}

.app-status[data-state="warning"] {
  border-color: var(--gold);
  color: var(--gold);
}

.counter-step {
  background: rgba(31, 26, 23, 0.9);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(22px, 4vw, 38px);
  margin-bottom: 34px;
  box-shadow: var(--shadow-soft);
}

.step-heading {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 26px;
}

.step-number {
  font-family: var(--font-en);
  color: var(--vermilion-soft);
  border-right: 2px solid var(--vermilion);
  padding-right: 16px;
  font-size: 13px;
  letter-spacing: 0.15em;
}

.step-kicker {
  color: var(--mint);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.step-heading h2 {
  font-family: var(--font-jp-serif);
  font-size: clamp(24px, 4vw, 34px);
}

.drop-zone {
  min-height: 240px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  text-align: center;
  border: 2px dashed var(--line-strong);
  border-radius: 14px;
  background: rgba(20, 17, 15, 0.7);
  padding: 30px 18px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.drop-zone:hover,
.drop-zone:focus-visible,
.drop-zone.drag-over {
  outline: none;
  border-color: var(--mint);
  background: rgba(127, 223, 202, 0.06);
  transform: translateY(-2px);
}

.drop-zone strong {
  font-family: var(--font-jp-serif);
  font-size: clamp(18px, 3vw, 24px);
}

.drop-zone > span:not(.drop-icon) {
  color: var(--paper-soft);
  opacity: 0.65;
  font-size: 13px;
}

.drop-icon {
  font-size: 42px;
}

.counter-button,
.text-button,
.finish-type,
.track-action {
  font: inherit;
  cursor: pointer;
}

.counter-button {
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 11px 18px;
  color: var(--paper);
  background: var(--ink-3);
  font-weight: 700;
  transition: transform 0.15s, opacity 0.15s, border-color 0.15s;
}

.counter-button:hover:not(:disabled),
.counter-button:focus-visible:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--paper-soft);
}

.counter-button:disabled,
.text-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.counter-button.primary {
  min-width: min(100%, 360px);
  padding: 16px 24px;
  border-color: var(--vermilion-soft);
  background: linear-gradient(135deg, var(--vermilion), var(--vermilion-soft));
  font-size: 17px;
}

.counter-button.accent {
  border-color: var(--gold);
  color: #2b1b0e;
  background: var(--gold);
}

.counter-button.danger {
  border-color: var(--vermilion-soft);
  color: #ffb6a3;
}

.counter-button.playing {
  border-color: var(--mint);
  color: var(--mint-soft);
  background: rgba(127, 223, 202, 0.1);
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--mint);
  padding: 8px;
}

.track-panel {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  background: var(--ink-3);
}

.panel-toolbar h3 {
  font-size: 15px;
}

.panel-toolbar p {
  font-size: 12px;
  opacity: 0.65;
}

.track-list {
  list-style: none;
  max-height: 390px;
  overflow-y: auto;
}

.track-list li {
  padding: 14px 18px;
  border-top: 1px dashed var(--line);
}

.track-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
}

.track-index {
  color: var(--vermilion-soft);
  font-family: var(--font-en);
  font-size: 12px;
}

.track-name {
  min-width: 0;
}

.track-name strong,
.track-name small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-name small {
  margin-top: 3px;
  opacity: 0.55;
}

.track-size {
  font-size: 12px;
  opacity: 0.65;
}

.track-actions {
  display: flex;
  gap: 4px;
}

.track-action {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--paper-soft);
  background: var(--ink);
}

.track-action:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.track-action.remove {
  color: #ffad98;
}

.empty-state {
  text-align: center;
  opacity: 0.55;
}

.finish-types {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.finish-type {
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 8px;
}

.finish-type strong,
.finish-type span {
  display: block;
}

.finish-type span {
  margin-top: 3px;
  font-size: 11px;
  opacity: 0.55;
}

.finish-type.selected,
.finish-type[aria-checked="true"] {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 166, 87, 0.08);
}

.auto-finish {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 24px 0;
  padding: 18px;
  border-radius: 12px;
  background: var(--ink-3);
}

.auto-finish p {
  opacity: 0.65;
  font-size: 13px;
}

.advanced-settings {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.advanced-settings summary {
  cursor: pointer;
  color: var(--mint-soft);
  font-weight: 700;
}

#custom-label {
  float: right;
  color: var(--gold);
  font-size: 12px;
}

.slider-grid {
  display: grid;
  gap: 4px;
  margin-top: 18px;
}

.control-row,
.toggle-row {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) minmax(180px, 2fr) 106px;
  align-items: center;
  gap: 16px;
  padding: 13px 10px;
  border-bottom: 1px dashed var(--line);
}

.control-row span > *,
.toggle-row span > * {
  display: block;
}

.control-row small,
.toggle-row small {
  opacity: 0.55;
}

.control-row output {
  color: var(--gold);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.control-row input[type="range"] {
  width: 100%;
  accent-color: var(--vermilion-soft);
}

.toggle-row {
  grid-template-columns: 1fr auto;
}

.toggle-row input,
.compact-toggle input {
  width: 20px;
  height: 20px;
  accent-color: var(--mint);
}

.preview-toolbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
}

.preview-toolbar select {
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--paper);
  background: var(--ink);
}

.waveform-wrap {
  position: relative;
  margin: 22px 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0e0c0b;
}

#waveform {
  display: block;
  width: 100%;
  height: 200px;
}

#play-time {
  position: absolute;
  right: 10px;
  bottom: 7px;
  font-size: 11px;
  opacity: 0.6;
}

.compact-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.meter-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.meter-grid div {
  padding: 13px 10px;
  text-align: center;
  border-radius: 8px;
  background: var(--ink);
  border: 1px solid var(--line);
}

.meter-grid span,
.meter-grid strong {
  display: block;
}

.meter-grid span {
  color: var(--mint);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.meter-grid strong {
  margin-top: 4px;
  color: var(--paper-soft);
  font-variant-numeric: tabular-nums;
}

.render-card {
  text-align: center;
}

.render-card > p {
  margin: 16px 0;
  opacity: 0.7;
}

.progress-group {
  max-width: 620px;
  display: grid;
  gap: 6px;
  margin: 18px auto;
  text-align: left;
}

.progress-group label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
}

.progress-group progress {
  width: 100%;
  height: 15px;
  accent-color: var(--vermilion);
}

.download-area {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--mint);
  border-radius: 10px;
  background: rgba(127, 223, 202, 0.06);
}

.download-area[hidden] {
  display: none;
}

.download-area > strong,
.download-area > p {
  flex-basis: 100%;
}

.download-area > p {
  margin: 0 0 4px;
  opacity: 0.72;
}

.download-button {
  display: inline-block;
  text-decoration: none;
}

.privacy-note {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid rgba(127, 223, 202, 0.35);
  border-radius: 14px;
  background: rgba(127, 223, 202, 0.05);
}

.privacy-note > span {
  font-size: 28px;
}

.privacy-note h2 {
  font-family: var(--font-jp-serif);
  font-size: 20px;
}

.privacy-note p {
  font-size: 13px;
  opacity: 0.75;
}

@media (max-width: 800px) {
  .finish-types {
    grid-template-columns: repeat(2, 1fr);
  }

  .control-row {
    grid-template-columns: 1fr 90px;
  }

  .control-row input {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .meter-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 520px) {
  .counter-main {
    padding-left: 14px;
    padding-right: 14px;
  }

  .counter-hero {
    padding-left: 0;
    padding-right: 0;
  }

  .counter-hero br {
    display: none;
  }

  .counter-step {
    padding: 20px 14px;
  }

  .finish-types,
  .meter-grid {
    grid-template-columns: 1fr;
  }

  .auto-finish,
  .panel-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .preview-toolbar {
    grid-template-columns: 1fr;
  }

  .preview-toolbar label {
    font-size: 13px;
  }

  .preview-controls,
  .render-actions {
    flex-direction: column;
  }

  .counter-button {
    width: 100%;
  }

  .control-row {
    grid-template-columns: 1fr 76px;
    gap: 8px;
  }

  .privacy-note {
    padding: 18px 14px;
  }

  .track-item {
    grid-template-columns: 28px minmax(0, 1fr) auto;
  }

  .track-size {
    display: none;
  }

  .track-actions {
    grid-column: 2 / -1;
    justify-content: flex-end;
  }
}