.tadaoto-silence-trimmer-page .stc-app { margin: 40px auto 0; max-width: 880px; }
.tadaoto-silence-trimmer-page [hidden] { display: none !important; }
.tadaoto-silence-trimmer-page .tool-panel + .tool-panel { margin-top: 20px; }
.tadaoto-silence-trimmer-page .stc-drop { background: var(--tool-panel); border: 2px dashed #aeb5bc; border-radius: 12px; cursor: pointer; margin-top: 24px; padding: 34px 20px 32px; text-align: center; transition: background-color .2s ease, border-color .2s ease; }
.tadaoto-silence-trimmer-page .stc-drop:hover,
.tadaoto-silence-trimmer-page .stc-drop.is-over { background: #edf4fc; border-color: var(--tool-accent); }
.tadaoto-silence-trimmer-page .stc-drop.is-disabled { cursor: wait; opacity: .55; }
.tadaoto-silence-trimmer-page .stc-drop__icon { color: var(--tool-accent); display: inline-block; height: 42px; margin-bottom: 10px; width: 42px; }
.tadaoto-silence-trimmer-page .stc-drop__icon svg { fill: none; height: 100%; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; width: 100%; }
.tadaoto-silence-trimmer-page .stc-drop__main { font-size: 17px; font-weight: 700; margin: 0 0 6px; }
.tadaoto-silence-trimmer-page .stc-drop__sub,
.tadaoto-silence-trimmer-page .stc-file-info,
.tadaoto-silence-trimmer-page .stc-status { color: var(--tool-muted); font-size: 13px; line-height: 1.65; }
.tadaoto-silence-trimmer-page .stc-file-info { margin: 12px 0 -0.3em; overflow-wrap: anywhere; }

.tadaoto-silence-trimmer-page .stc-summary { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 24px; }
.tadaoto-silence-trimmer-page .stc-summary div { background: var(--tool-panel); border: 1px solid var(--tool-line); border-radius: 10px; padding: 14px 16px; }
.tadaoto-silence-trimmer-page .stc-summary span { color: var(--tool-muted); display: block; font-size: 12px; }
.tadaoto-silence-trimmer-page .stc-summary strong { display: block; font-size: 20px; font-variant-numeric: tabular-nums; margin-top: 3px; }
.tadaoto-silence-trimmer-page .stc-wave { background: var(--tool-panel); border: 1px solid var(--tool-line); border-radius: 10px; display: block; height: 120px; margin-top: 18px; width: 100%; }
.tadaoto-silence-trimmer-page .stc-range-labels { color: var(--tool-muted); display: flex; font-size: 11px; font-variant-numeric: tabular-nums; justify-content: space-between; margin-top: 6px; }

.tadaoto-silence-trimmer-page fieldset { border: 0; border-top: 1px solid var(--tool-line); margin: 24px 0 0; padding: 22px 0 0; }
.tadaoto-silence-trimmer-page legend { font-size: 16px; font-weight: 700; padding: 0; }
.tadaoto-silence-trimmer-page .stc-mode-list { display: grid; gap: 10px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 16px; }
.tadaoto-silence-trimmer-page .stc-mode-list label { align-items: flex-start; background: #fff; border: 1px solid #b8bec5; border-radius: 10px; cursor: pointer; display: flex; gap: 9px; padding: 14px; }
.tadaoto-silence-trimmer-page .stc-mode-list label.is-selected { background: #edf4fc; border-color: var(--tool-accent); box-shadow: inset 0 0 0 1px var(--tool-accent); }
.tadaoto-silence-trimmer-page .stc-mode-list input { accent-color: var(--tool-accent); margin-top: 4px; }
.tadaoto-silence-trimmer-page .stc-mode-list strong,
.tadaoto-silence-trimmer-page .stc-mode-list small { display: block; }
.tadaoto-silence-trimmer-page .stc-mode-list strong { font-size: 14px; }
.tadaoto-silence-trimmer-page .stc-mode-list small { color: var(--tool-muted); font-size: 11px; line-height: 1.5; margin-top: 3px; }
.tadaoto-silence-trimmer-page .stc-threshold { color: var(--tool-muted); font-size: 11px; margin: 8px 0 0; }
.tadaoto-silence-trimmer-page .stc-preview { background: var(--tool-panel); border-radius: 10px; margin-top: 20px; padding: 16px; }
.tadaoto-silence-trimmer-page .stc-preview h3 { font-size: 14px; margin: 0 0 10px; }
.tadaoto-silence-trimmer-page .stc-preview audio,
.tadaoto-silence-trimmer-page .stc-result-audio { display: block; width: 100%; }
.tadaoto-silence-trimmer-page .stc-preview p { color: var(--tool-muted); font-size: 11px; margin: 8px 0 -0.3em; }
.tadaoto-silence-trimmer-page .stc-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tadaoto-silence-trimmer-page .stc-button { border: 1px solid #b8bec5; border-radius: 999px; cursor: pointer; font: inherit; font-size: 14px; font-weight: 700; min-height: 46px; padding: 11px 22px; }
.tadaoto-silence-trimmer-page .stc-button--primary { background: var(--tool-accent); border-color: var(--tool-accent); color: #fff; }
.tadaoto-silence-trimmer-page .stc-button--primary:hover { background: var(--tool-accent-dark); border-color: var(--tool-accent-dark); }
.tadaoto-silence-trimmer-page .stc-button--secondary { background: #fff; color: var(--tool-ink); }
.tadaoto-silence-trimmer-page .stc-button:disabled { cursor: wait; opacity: .55; }
.tadaoto-silence-trimmer-page .stc-status { margin: 14px 0 -0.3em; }
.tadaoto-silence-trimmer-page .stc-status.is-error { color: #a33a34; font-weight: 700; }
.tadaoto-silence-trimmer-page .stc-result { border-color: #b7ddcb; }
.tadaoto-silence-trimmer-page .stc-result-audio { margin-top: 20px; }
.tadaoto-silence-trimmer-page .stc-download { background: var(--tool-accent); border-radius: 999px; color: #fff; display: block; font-size: 15px; font-weight: 700; margin: 18px 0 0; max-width: 320px; padding: 13px 20px; text-align: center; text-decoration: none; }
.tadaoto-silence-trimmer-page .stc-note { background: var(--tool-panel); border-radius: 12px; margin-top: 22px; padding: 22px 24px; }
.tadaoto-silence-trimmer-page .stc-note h2 { font-size: 16px; margin: 0 0 10px; }
.tadaoto-silence-trimmer-page .stc-note ul { color: var(--tool-muted); font-size: 13px; line-height: 1.75; margin: 0; padding-left: 1.3em; }
.tadaoto-silence-trimmer-page .stc-drop:focus-visible,
.tadaoto-silence-trimmer-page button:focus-visible,
.tadaoto-silence-trimmer-page input:focus-visible,
.tadaoto-silence-trimmer-page a:focus-visible { outline: 3px solid rgba(47, 118, 199, .35); outline-offset: 3px; }

@media (max-width: 560px) {
  .tadaoto-silence-trimmer-page .stc-summary,
  .tadaoto-silence-trimmer-page .stc-mode-list { grid-template-columns: 1fr; }
  .tadaoto-silence-trimmer-page .stc-summary div { align-items: center; display: flex; justify-content: space-between; }
  .tadaoto-silence-trimmer-page .stc-summary strong { margin-top: 0; }
  .tadaoto-silence-trimmer-page .stc-actions { display: grid; }
  .tadaoto-silence-trimmer-page .stc-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .tadaoto-silence-trimmer-page .stc-drop { transition: none; }
}