/* Universal MP3 & Audio Tool – scoped to .uat-app so it can't clash with the theme. */

.uat-app {
  --uat-ink: #17202b;
  --uat-muted: #556170;
  --uat-line: #d6dce4;
  --uat-surface: #f3f5f8;
  --uat-card: #ffffff;
  --uat-primary: #1d56d1;
  --uat-primary-hover: #1745aa;
  --uat-on-primary: #ffffff;
  --uat-screen: #121b26;
  --uat-screen-ink: #c9d6e2;
  --uat-wave-in: #6fd3c5;
  --uat-wave-out: #3a5361;
  --uat-sel: #f4b740;
  --uat-sel-tint: rgba(244, 183, 64, 0.14);
  --uat-cut-tint: rgba(240, 90, 80, 0.22);
  --uat-danger: #b42318;
  --uat-danger-bg: #fdecea;
  --uat-focus: #f4b740;
  --uat-radius: 14px;

  box-sizing: border-box;
  max-width: 760px;
  margin: 0 auto 2rem;
  color: var(--uat-ink);
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
}
.uat-app *, .uat-app *::before, .uat-app *::after { box-sizing: inherit; }
.uat-app p { margin: 0; }
.uat-app fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.uat-app legend { padding: 0; margin: 0 0 0.5rem; font-weight: 600; font-size: 0.95rem; color: var(--uat-ink); }
.uat-app label { margin: 0; }
.uat-app .uat-icon { display: inline-flex; width: 1.25em; height: 1.25em; flex: none; }
.uat-app .uat-icon svg { width: 100%; height: 100%; }
.uat-app [hidden] { display: none !important; }

.uat-visually-hidden {
  position: absolute !important; width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important; overflow: hidden !important;
  clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important;
}

/* ---------- Buttons (reset theme styles first) ---------- */
.uat-app button, .uat-app .uat-btn {
  font: inherit; letter-spacing: normal; text-transform: none; text-shadow: none; box-shadow: none;
  margin: 0; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.uat-app .uat-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 44px; padding: 0.55rem 1rem;
  border: 1px solid var(--uat-line); border-radius: 10px;
  background: var(--uat-card); color: var(--uat-ink);
  font-weight: 600; font-size: 0.95rem; line-height: 1.2; text-decoration: none;
}
.uat-app .uat-btn:hover { background: var(--uat-surface); }
.uat-app .uat-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.uat-app .uat-btn-primary { background: var(--uat-primary); border-color: var(--uat-primary); color: var(--uat-on-primary); }
.uat-app .uat-btn-primary:hover { background: var(--uat-primary-hover); border-color: var(--uat-primary-hover); color: var(--uat-on-primary); }
.uat-app .uat-btn-lg { min-height: 52px; padding: 0.75rem 1.5rem; font-size: 1.05rem; }
.uat-app .uat-btn-xl { width: 100%; min-height: 58px; font-size: 1.15rem; border-radius: 12px; }
.uat-app .uat-btn-small { min-height: 38px; padding: 0.35rem 0.75rem; font-size: 0.875rem; }
.uat-app .uat-btn-icon { min-width: 44px; padding: 0; }
.uat-app a.uat-btn-primary:visited { color: var(--uat-on-primary); }

.uat-app :focus-visible { outline: 3px solid var(--uat-focus); outline-offset: 2px; }
.uat-app input:focus-visible + * { outline: 3px solid var(--uat-focus); outline-offset: 2px; }

/* ---------- Upload screen ---------- */
.uat-shell { display: grid; gap: 1rem; }
.uat-pick-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.6rem; }
.uat-pick-tile {
  display: grid; grid-template-columns: auto 1fr; column-gap: 0.65rem; align-items: center;
  padding: 0.8rem 0.9rem; border: 1px solid var(--uat-line); border-radius: 12px;
  background: var(--uat-card); cursor: pointer; align-content: center; row-gap: 0.1rem;
}
.uat-pick-icon { grid-row: span 2; color: var(--uat-primary); width: 1.6em !important; height: 1.6em !important; }
.uat-pick-label { font-weight: 700; }
.uat-pick-blurb { font-size: 0.85rem; color: var(--uat-muted); line-height: 1.35; }
.uat-pick-tile:has(input:checked) { border-color: var(--uat-primary); box-shadow: inset 0 0 0 1px var(--uat-primary); background: #f1f5ff; }

.uat-drop {
  display: grid; justify-items: center; gap: 0.75rem; text-align: center;
  padding: 2.25rem 1.25rem; border: 2px dashed #9fb0c4; border-radius: var(--uat-radius);
  background: var(--uat-surface);
}
.uat-drop.is-over { border-color: var(--uat-primary); background: #eaf0ff; }
.uat-drop-title { font-size: 1.2rem; font-weight: 700; }
.uat-drop-sub { font-size: 0.9rem; color: var(--uat-muted); max-width: 34ch; }
.uat-privacy { display: flex; align-items: center; justify-content: center; gap: 0.45rem; font-size: 0.875rem; color: var(--uat-muted); }

.uat-error { padding: 0.8rem 1rem; border-radius: 10px; background: var(--uat-danger-bg); color: var(--uat-danger); font-weight: 600; display: grid; gap: 0.6rem; justify-items: start; }

/* ---------- Editor ---------- */
.uat-editor, .uat-editor-body { display: grid; gap: 1rem; }
.uat-file { padding: 0.9rem 1rem; border: 1px solid var(--uat-line); border-radius: var(--uat-radius); background: var(--uat-card); display: grid; gap: 0.75rem; }
.uat-file-head { display: flex; align-items: center; gap: 0.6rem; }
.uat-file-icon { color: var(--uat-primary); }
.uat-file-name { flex: 1; min-width: 0; font-weight: 700; overflow-wrap: anywhere; }

.uat-app .uat-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(105px, 1fr)); gap: 0.5rem 1rem; margin: 0; }
.uat-app .uat-facts > div { min-width: 0; }
.uat-app .uat-facts .uat-fact-wide { grid-column: 1 / -1; }
.uat-app .uat-facts dt { margin: 0; font-size: 0.78rem; color: var(--uat-muted); }
.uat-app .uat-facts dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

.uat-toolbar { margin: 0; }
.uat-tool-row { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 2px; }
.uat-tool-chip {
  display: inline-flex; align-items: center; gap: 0.45rem; flex: none;
  min-height: 44px; padding: 0.5rem 0.95rem; border-radius: 999px;
  border: 1px solid var(--uat-line); background: var(--uat-card); font-weight: 600; cursor: pointer;
}
.uat-tool-chip:has(input:checked) { background: var(--uat-ink); border-color: var(--uat-ink); color: #fff; }

/* The waveform "screen" – the one dark, bold element of the design. */
.uat-screen { background: var(--uat-screen); color: var(--uat-screen-ink); border-radius: var(--uat-radius); padding: 0.75rem 0.75rem 0.6rem; }
.uat-wave { position: relative; height: 150px; touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: pointer; }
.uat-wave.is-selectable { cursor: crosshair; }
.uat-wave-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.uat-wave-head { position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px; background: #ffffff; pointer-events: none; left: 0; }
.uat-wave-status { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: 0.35rem 0.75rem; border-radius: 8px; background: rgba(18, 27, 38, 0.85); color: #fff; font-size: 0.875rem; white-space: nowrap; pointer-events: none; }
.uat-wave-status:empty { display: none; }
.uat-handle { position: absolute; top: -4px; bottom: -4px; width: 44px; margin-left: -22px; touch-action: none; cursor: ew-resize; display: flex; justify-content: center; }
.uat-wave.is-remove .uat-handle::before, .uat-wave.is-remove .uat-handle-grip { background: #f07a6e; }
.uat-handle::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; margin-left: -1.5px; background: var(--uat-sel); }
.uat-handle-grip { position: relative; align-self: center; width: 16px; height: 36px; border-radius: 6px; background: var(--uat-sel); box-shadow: 0 0 0 2px var(--uat-screen); }
.uat-handle:focus-visible { outline: none; }
.uat-handle:focus-visible .uat-handle-grip { box-shadow: 0 0 0 2px var(--uat-screen), 0 0 0 5px #fff; }

.uat-transport { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.6rem; }
.uat-app .uat-play {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; padding: 0; border-radius: 50%; border: 0;
  background: var(--uat-sel); color: var(--uat-screen);
}
.uat-app .uat-play .uat-icon { width: 24px; height: 24px; }
.uat-app .uat-play:disabled { opacity: 0.6; }
.uat-app .uat-play:focus-visible { outline-color: #fff; }
.uat-clock { font-variant-numeric: tabular-nums; font-size: 1.05rem; color: var(--uat-screen-ink); }
.uat-time-now { color: #fff; font-weight: 700; }

.uat-panel { display: grid; gap: 1.1rem; }
.uat-tip { color: var(--uat-muted); font-size: 0.95rem; }

.uat-seg { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--uat-line); border-radius: 10px; padding: 3px; background: var(--uat-surface); }
.uat-seg-opt { display: flex; align-items: center; justify-content: center; min-height: 42px; border-radius: 8px; font-weight: 600; cursor: pointer; }
.uat-seg-opt:has(input:checked) { background: var(--uat-card); box-shadow: 0 1px 2px rgba(23, 32, 43, 0.18); }

.uat-times { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.uat-time { display: grid; gap: 0.4rem; align-content: start; }
.uat-time > label { font-weight: 600; font-size: 0.95rem; }
.uat-time-controls { display: flex; gap: 0.3rem; }
.uat-app .uat-time-input {
  flex: 1; min-width: 0; height: 44px; padding: 0 0.5rem; margin: 0;
  border: 1px solid var(--uat-line); border-radius: 10px; background: var(--uat-card); color: var(--uat-ink);
  font: inherit; font-size: 1.05rem; font-variant-numeric: tabular-nums; text-align: center;
}
.uat-summary { font-weight: 700; font-variant-numeric: tabular-nums; }
.uat-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.uat-fades { display: grid; gap: 0.5rem; }
.uat-fade { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.uat-check { display: inline-flex; align-items: center; gap: 0.55rem; min-height: 44px; cursor: pointer; font-weight: 600; }
.uat-check input { width: 22px; height: 22px; margin: 0; accent-color: var(--uat-primary); }

.uat-field { display: grid; gap: 0.4rem; }
.uat-field > label { font-weight: 600; font-size: 0.95rem; }
.uat-app .uat-select {
  height: 44px; padding: 0 0.6rem; margin: 0; max-width: 100%;
  border: 1px solid var(--uat-line); border-radius: 10px; background: var(--uat-card); color: var(--uat-ink); font: inherit;
}
.uat-app .uat-select-small { width: auto; min-width: 84px; }
.uat-chip-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.5rem; }
.uat-chip { display: grid; gap: 0.1rem; padding: 0.6rem 0.75rem; border: 1px solid var(--uat-line); border-radius: 10px; background: var(--uat-card); cursor: pointer; }
.uat-chip-main { font-weight: 700; }
.uat-chip-note { font-size: 0.78rem; color: var(--uat-muted); line-height: 1.3; }
.uat-chip:has(input:checked) { border-color: var(--uat-primary); box-shadow: inset 0 0 0 1px var(--uat-primary); background: #f1f5ff; }
.uat-hint { font-size: 0.9rem; color: var(--uat-muted); }

/* ---------- Progress ---------- */
.uat-progress { display: grid; gap: 0.4rem; }
.uat-progress-top { display: flex; justify-content: space-between; font-weight: 600; font-variant-numeric: tabular-nums; }
.uat-bar { height: 10px; border-radius: 999px; background: var(--uat-surface); overflow: hidden; border: 1px solid var(--uat-line); }
.uat-bar-fill { height: 100%; width: 0; background: var(--uat-primary); transition: width 0.2s linear; }
.uat-progress.is-indeterminate .uat-bar-fill { width: 35%; animation: uat-slide 1.2s ease-in-out infinite; }
@keyframes uat-slide { 0% { transform: translateX(-100%); } 100% { transform: translateX(300%); } }

/* ---------- Result ---------- */
.uat-result { display: grid; gap: 1rem; padding: 1.1rem; border: 2px solid var(--uat-primary); border-radius: var(--uat-radius); background: var(--uat-card); }
.uat-app .uat-result-title { margin: 0; font-size: 1.3rem; line-height: 1.3; }
.uat-result-title:focus { outline: none; }
.uat-result-audio { width: 100%; }

@media (max-width: 480px) {
  .uat-times { grid-template-columns: 1fr; }
  .uat-wave { height: 130px; }
  .uat-drop { padding: 1.75rem 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  .uat-bar-fill { transition: none; }
  .uat-progress.is-indeterminate .uat-bar-fill { animation: none; width: 100%; opacity: 0.5; }
}

/* ---------- Page content around the tool (inherits the theme's typography) ---------- */
.uat-content { max-width: 760px; margin: 2rem auto 0; }
.uat-content details { border-bottom: 1px solid #d6dce4; padding: 0.75rem 0; }
.uat-content summary { cursor: pointer; font-weight: 600; }
.uat-content details p { margin: 0.5rem 0 0; }
.uat-boot { padding: 2rem 1rem; text-align: center; color: #556170; border: 2px dashed #c3cdd8; border-radius: 14px; }
.uat-app label:has(> input.uat-visually-hidden:focus-visible) { outline: 3px solid var(--uat-focus); outline-offset: 2px; }
.uat-app .uat-boot { min-height: 280px; display: grid; place-items: center; }

/* ---------- v1.1 ---------- */
/* Themes like Astra underline every link; the download button must stay a clean button. */
.uat-app a.uat-btn, .uat-app a.uat-btn:hover, .uat-app a.uat-btn:focus, .uat-app a.uat-btn span { text-decoration: none !important; }

.uat-seg-3 { grid-template-columns: repeat(3, 1fr); }
.uat-seg-3 .uat-seg-opt { text-align: center; padding: 0.35rem 0.4rem; line-height: 1.25; font-size: 0.92rem; }

.uat-app .uat-big-value { display: block; font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.1; }
.uat-app .uat-range { width: 100%; height: 44px; margin: 0; accent-color: var(--uat-primary); }

.uat-chip-row-tight { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); }
.uat-chip-center { text-align: center; }

.uat-warn { padding: 0.65rem 0.85rem; border-radius: 10px; background: #fff6e0; color: #6b4a00; font-size: 0.92rem; }
.uat-result-note { font-weight: 700; color: #0f6b43; }

.uat-advanced { border: 1px solid var(--uat-line); border-radius: 10px; padding: 0.6rem 0.9rem; }
.uat-advanced > summary { cursor: pointer; font-weight: 600; min-height: 32px; display: flex; align-items: center; }
.uat-advanced[open] > summary { margin-bottom: 0.75rem; }
.uat-sizes { padding: 0.8rem 1rem; border-radius: 12px; background: var(--uat-surface); }
.uat-app .uat-sizes dd { font-size: 1.1rem; }

/* Song details */
.uat-tag-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.uat-tag-grid .uat-field { grid-column: 1 / -1; }
.uat-tag-grid .uat-field-short { grid-column: auto; }
.uat-app .uat-text {
  width: 100%; height: 44px; padding: 0 0.7rem; margin: 0;
  border: 1px solid var(--uat-line); border-radius: 10px; background: var(--uat-card); color: var(--uat-ink); font: inherit;
}
.uat-cover-row { display: flex; gap: 1rem; align-items: flex-start; }
.uat-cover { flex: none; width: 120px; height: 120px; border-radius: 10px; overflow: hidden; background: var(--uat-surface); border: 1px solid var(--uat-line); display: grid; place-items: center; text-align: center; font-size: 0.8rem; color: var(--uat-muted); }
.uat-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.uat-cover span { display: grid; justify-items: center; gap: 0.25rem; }
.uat-cover-empty { width: 28px !important; height: 28px !important; }
.uat-cover-actions { display: grid; gap: 0.5rem; justify-items: start; }

/* Merge list */
.uat-app .uat-merge-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; counter-reset: uat-merge; }
.uat-merge-item { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem; border: 1px solid var(--uat-line); border-radius: 12px; background: var(--uat-card); counter-increment: uat-merge; margin: 0; }
.uat-merge-item.is-dragging { box-shadow: 0 6px 18px rgba(23, 32, 43, 0.18); border-color: var(--uat-primary); position: relative; z-index: 2; }
.uat-app .uat-merge-grip { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 44px; border: 0; background: none; color: var(--uat-muted); cursor: grab; touch-action: none; padding: 0; }
.uat-merge-grip::before { content: counter(uat-merge); font-weight: 700; font-size: 0.85rem; margin-right: 2px; color: var(--uat-ink); }
.uat-merge-info { flex: 1; min-width: 0; display: grid; }
.uat-merge-name { font-weight: 600; overflow-wrap: anywhere; line-height: 1.3; }
.uat-merge-meta { font-size: 0.82rem; color: var(--uat-muted); font-variant-numeric: tabular-nums; }
.uat-merge-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.25rem; }
.uat-merge-actions .uat-btn-icon { min-width: 40px; min-height: 40px; }

/* Ads: clearly separated from the tool */
.uat-ad { max-width: 760px; margin: 1.5rem auto; text-align: center; }
.uat-ad-label { display: block; font-size: 0.72rem; color: #6b7480; margin-bottom: 0.25rem; }
.uat-ad-host:empty { display: none; }

@media (max-width: 480px) {
  .uat-merge-item { flex-wrap: wrap; }
  .uat-merge-actions { width: 100%; justify-content: flex-start; padding-left: 44px; }
  .uat-cover { width: 96px; height: 96px; }
}
.uat-wave[hidden] + * , .uat-screen .uat-wave[hidden] ~ .uat-transport { margin-top: 0; }