@font-face {
  font-family: "Material Symbols Sharp";
  font-style: normal;
  font-weight: 400;
  font-display: block;
  src: url("assets/fonts/material-symbols/MaterialSymbolsSharp-Filled.ttf") format("truetype");
}

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f1f3f7;
  --ink: #181817;
  --muted: #606675;
  --line: #d9dde7;
  --accent: #3D59F5;
  --accent-strong: #2841d9;
  --accent-ink: #ffffff;
  --accent-soft: #eef3ff;
  --warn: #9f4d2f;
  --hover-line: #c9d2e4;
  --surface-hover: #f7f9fc;
  --surface-active: #eef2f8;
  --surface-focus: #f0f3f9;
  --surface-selected-soft: #e7ecf5;
  --range-track: #d7dde8;
  --control-thumb: #ffffff;
  --format-muted: #6f7685;
  --canvas-bg: #f8f9fc;
  --canvas-grid: #e4e8f0;
  --canvas-silence: rgba(226, 231, 241, 0.72);
  --waveform: #526AF2;
  --waveform-hover: #111827;
  --waveform-hover-label-border: rgba(17, 24, 39, 0.32);
  --playhead: #181817;
  --menu-shadow: rgba(24, 24, 23, 0.14);
  --panel-shadow: rgba(24, 24, 23, 0.12);
  --thumb-shadow: rgba(24, 24, 23, 0.18);
  --overlay-bg: rgba(255, 255, 255, 0.62);
  --overlay-blur: 7px;
  --scrollbar-track: #e9edf4;
  --scrollbar-thumb: #9ca4b2;
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

:root[data-theme="dark"] {
  --bg: #101114;
  --surface: #17191f;
  --surface-soft: #242833;
  --ink: #f2f4f8;
  --muted: #a7adba;
  --line: #343947;
  --accent: #8da0ff;
  --accent-strong: #a3b1ff;
  --accent-ink: #101114;
  --accent-soft: #1f2748;
  --warn: #ff9b8e;
  --hover-line: #4a5163;
  --surface-hover: #20242d;
  --surface-active: #282d38;
  --surface-focus: #252b39;
  --surface-selected-soft: #303747;
  --range-track: #343b4a;
  --control-thumb: #f3f5fb;
  --format-muted: #979eac;
  --canvas-bg: #141720;
  --canvas-grid: #2b3140;
  --canvas-silence: rgba(58, 64, 79, 0.64);
  --waveform: #8ea0ff;
  --waveform-hover: #ffffff;
  --waveform-hover-label-border: rgba(255, 255, 255, 0.3);
  --playhead: #f2f4f8;
  --menu-shadow: rgba(0, 0, 0, 0.38);
  --panel-shadow: rgba(0, 0, 0, 0.34);
  --thumb-shadow: rgba(0, 0, 0, 0.28);
  --overlay-bg: rgba(12, 13, 16, 0.62);
  --overlay-blur: 7px;
  --scrollbar-track: #1d212b;
  --scrollbar-thumb: #566071;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101114;
    --surface: #17191f;
    --surface-soft: #242833;
    --ink: #f2f4f8;
    --muted: #a7adba;
    --line: #343947;
    --accent: #8da0ff;
    --accent-strong: #a3b1ff;
    --accent-ink: #101114;
    --accent-soft: #1f2748;
    --warn: #ff9b8e;
    --hover-line: #4a5163;
    --surface-hover: #20242d;
    --surface-active: #282d38;
    --surface-focus: #252b39;
    --surface-selected-soft: #303747;
    --range-track: #343b4a;
    --control-thumb: #f3f5fb;
    --format-muted: #979eac;
    --canvas-bg: #141720;
    --canvas-grid: #2b3140;
    --canvas-silence: rgba(58, 64, 79, 0.64);
    --waveform: #8ea0ff;
    --waveform-hover: #ffffff;
    --waveform-hover-label-border: rgba(255, 255, 255, 0.3);
    --playhead: #f2f4f8;
    --menu-shadow: rgba(0, 0, 0, 0.38);
    --panel-shadow: rgba(0, 0, 0, 0.34);
    --thumb-shadow: rgba(0, 0, 0, 0.28);
    --overlay-bg: rgba(12, 13, 16, 0.62);
    --overlay-blur: 7px;
    --scrollbar-track: #1d212b;
    --scrollbar-thumb: #566071;
  }
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  min-height: var(--app-height, 100dvh);
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  overflow-y: auto;
  user-select: none;
}

html,
body,
.settings-content,
.license-content,
.license-section pre,
.custom-menu {
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
.settings-content::-webkit-scrollbar,
.license-content::-webkit-scrollbar,
.license-section pre::-webkit-scrollbar,
.custom-menu::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track,
.settings-content::-webkit-scrollbar-track,
.license-content::-webkit-scrollbar-track,
.license-section pre::-webkit-scrollbar-track,
.custom-menu::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb,
.settings-content::-webkit-scrollbar-thumb,
.license-content::-webkit-scrollbar-thumb,
.license-section pre::-webkit-scrollbar-thumb,
.custom-menu::-webkit-scrollbar-thumb {
  border: 3px solid var(--scrollbar-track);
  border-radius: 999px;
  background: var(--scrollbar-thumb);
}

html::-webkit-scrollbar-corner,
body::-webkit-scrollbar-corner,
.settings-content::-webkit-scrollbar-corner,
.license-content::-webkit-scrollbar-corner,
.license-section pre::-webkit-scrollbar-corner,
.custom-menu::-webkit-scrollbar-corner {
  background: var(--scrollbar-track);
}

button,
input {
  font: inherit;
}

button,
.file-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease;
}

button:hover,
.file-button:hover {
  border-color: var(--hover-line);
  background: var(--surface-hover);
}

button:active,
.file-button:active {
  background: var(--surface-active);
}

button:focus-visible,
.file-button:focus-within,
input:focus-visible {
  outline: 3px solid rgba(61, 89, 245, 0.25);
  outline-offset: 2px;
}

body:has(.settings-backdrop:not(.is-hidden)),
body:has(.viewport-warning:not(.is-hidden)) {
  overflow: hidden;
}

.app-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  min-height: var(--app-height, 100dvh);
  padding: 16px 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ui-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  font-family: "Material Symbols Sharp";
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  white-space: nowrap;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

.icon-button > span:not(.ui-icon),
.file-button > span:not(.ui-icon),
.install-button > span:not(.ui-icon),
.drop-copy button > span:not(.ui-icon) {
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
  transform: translateY(-0.04em);
}

.language-value {
  line-height: 1.35;
}

.app-footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.file-details,
.status-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.app-title {
  margin: 0;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0;
}

.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 0 18px;
  font-size: 1rem;
  font-weight: 600;
}

.install-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  font-size: 0.95rem;
  font-weight: 600;
}

@media (display-mode: standalone), (display-mode: fullscreen), (display-mode: minimal-ui), (display-mode: window-controls-overlay) {
  .install-button {
    display: none !important;
  }
}

.settings-button,
.settings-close {
  width: 44px;
  padding: 0;
}

.settings-close {
  position: absolute;
  top: 0;
  right: -56px;
  z-index: 2;
  width: 48px;
  min-height: 48px;
  border-color: var(--hover-line);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 8px 22px var(--panel-shadow);
}

.settings-close:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
}

.settings-close .ui-icon {
  width: 24px;
  height: 24px;
  font-size: 24px;
}

.language-control {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}

.settings-modal .language-control {
  width: min(260px, 100%);
  justify-content: space-between;
  cursor: default;
}

.settings-modal .language-button {
  width: 100%;
  justify-content: space-between;
  max-width: none;
}

.language-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: max-content;
  min-width: 0;
  max-width: 240px;
  padding: 0 4px 0 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
}

.language-button:hover,
.language-button:active,
.language-button:focus-visible {
  border-color: transparent;
  background: transparent;
}

.language-button:focus-visible {
  outline: none;
}

.language-control:focus-within {
  outline: 3px solid rgba(61, 89, 245, 0.25);
  outline-offset: 2px;
}

.language-value {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
  white-space: nowrap;
}

.language-control:hover,
.language-control:has(.language-button[aria-expanded="true"]) {
  border-color: var(--hover-line);
  background: var(--surface-hover);
}

.language-control:active {
  background: var(--surface-active);
}

.file-button input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.drop-zone,
.player-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.drop-zone {
  position: relative;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 28px;
  border-style: dashed;
  overflow: hidden;
}

.drop-zone.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.drop-copy {
  display: grid;
  justify-items: center;
  gap: 14px;
  max-width: min(100%, 620px);
  text-align: center;
}

.drop-copy strong {
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.08;
  white-space: nowrap;
}

.privacy-note,
.format-note {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
}

.format-note {
  color: var(--format-muted);
  font-size: 0.94rem;
}

.drop-error {
  max-width: 34rem;
  margin: 0;
  color: var(--warn);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
}

.drop-error.is-hidden {
  display: none;
}

.drop-copy button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  padding: 0 18px;
  font-size: 1rem;
  font-weight: 600;
}

.player-panel {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.viewport-warning {
  position: fixed;
  inset: 0;
  z-index: 35;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--overlay-bg);
  backdrop-filter: blur(var(--overlay-blur));
  -webkit-backdrop-filter: blur(var(--overlay-blur));
  pointer-events: auto;
}

.viewport-warning-card {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 650;
  box-shadow: 0 8px 28px var(--panel-shadow);
}

.drop-affordance {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(61, 89, 245, 0.1);
  pointer-events: none;
}

.pwa-update-notice {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 25;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 6px 6px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 12px 34px var(--panel-shadow);
  backdrop-filter: blur(var(--overlay-blur));
  -webkit-backdrop-filter: blur(var(--overlay-blur));
}

.pwa-update-notice button {
  min-height: 32px;
  padding: 0 12px;
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.9rem;
}

.pwa-update-notice button:hover {
  background: var(--accent-strong);
}

.is-hidden {
  display: none;
}

.track-meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.file-name {
  margin: 0 0 4px;
  font-size: 1.05rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.status-text {
  text-align: right;
}

.status-text.is-error {
  color: var(--warn);
  font-weight: 600;
}

.waveform-wrap {
  position: relative;
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--canvas-bg);
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 340px;
  cursor: crosshair;
}

.waveform-seek-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  z-index: 2;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: calc(100% - 24px);
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 400;
  box-shadow: 0 8px 24px var(--panel-shadow);
  pointer-events: none;
  transform: translateX(-50%);
}

.waveform-seek-hint.is-hidden {
  display: none;
}

.waveform-seek-hint .ui-icon {
  color: var(--accent);
}

@media (min-height: 520px) {
  body:has(#playerPanel:not(.is-hidden)) .app-shell {
    height: var(--app-height, 100dvh);
    max-height: 980px;
  }

  #playerPanel:not(.is-hidden) {
    height: 100%;
    min-height: 0;
    grid-template-rows: auto minmax(150px, 1fr) auto auto;
  }

  #playerPanel:not(.is-hidden) .waveform-wrap {
    min-height: 0;
    height: auto;
    max-height: none;
  }

  #playerPanel:not(.is-hidden) canvas {
    height: 100%;
    min-height: 0;
  }
}

.time-row {
  display: grid;
  grid-template-columns: max-content 1fr max-content;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
}

input[type="range"] {
  --range-fill: 0%;
  --range-thumb-size: 18px;
  width: 100%;
  height: 24px;
  background: transparent;
  accent-color: var(--accent);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--accent) 0,
    var(--accent) var(--range-fill),
    var(--range-track) var(--range-fill),
    var(--range-track) 100%
  );
}

input[type="range"]::-webkit-slider-thumb {
  width: var(--range-thumb-size);
  height: var(--range-thumb-size);
  margin-top: -4px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--control-thumb);
  box-shadow: 0 1px 3px var(--thumb-shadow);
  appearance: none;
}

input[type="range"]:hover::-webkit-slider-runnable-track,
input[type="range"]:active::-webkit-slider-runnable-track,
input[type="range"]:focus::-webkit-slider-runnable-track {
  background: linear-gradient(
    to right,
    var(--accent) 0,
    var(--accent) var(--range-fill),
    var(--range-track) var(--range-fill),
    var(--range-track) 100%
  );
}

input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:active::-webkit-slider-thumb,
input[type="range"]:focus::-webkit-slider-thumb {
  background: var(--control-thumb);
}

input[type="range"]::-moz-range-track {
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--accent) 0,
    var(--accent) var(--range-fill),
    var(--range-track) var(--range-fill),
    var(--range-track) 100%
  );
}

input[type="range"]::-moz-range-progress {
  height: 10px;
  border-radius: 999px;
  background: transparent;
}

input[type="range"]::-moz-range-thumb {
  width: var(--range-thumb-size);
  height: var(--range-thumb-size);
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--control-thumb);
  box-shadow: 0 1px 3px var(--thumb-shadow);
}

input[type="range"]:hover::-moz-range-track,
input[type="range"]:active::-moz-range-track,
input[type="range"]:focus::-moz-range-track {
  background: linear-gradient(
    to right,
    var(--accent) 0,
    var(--accent) var(--range-fill),
    var(--range-track) var(--range-fill),
    var(--range-track) 100%
  );
}

input[type="range"]:hover::-moz-range-progress,
input[type="range"]:active::-moz-range-progress,
input[type="range"]:focus::-moz-range-progress {
  background: transparent;
}

input[type="range"]:hover::-moz-range-thumb,
input[type="range"]:active::-moz-range-thumb,
input[type="range"]:focus::-moz-range-thumb {
  background: var(--control-thumb);
}

:root[data-build-channel="firefox"] input[type="range"] {
  accent-color: var(--accent);
  appearance: auto;
  cursor: pointer;
}

:root[data-build-channel="firefox"] input[type="range"]::-moz-range-track,
:root[data-build-channel="firefox"] input[type="range"]::-moz-range-progress,
:root[data-build-channel="firefox"] input[type="range"]::-moz-range-thumb {
  background: revert;
  border: revert;
  border-radius: revert;
  box-shadow: revert;
  height: revert;
  width: revert;
}

.controls-grid {
  display: grid;
  gap: 8px;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.transport-row {
  display: grid;
  grid-template-columns: minmax(128px, 1fr) minmax(148px, 1fr) minmax(188px, 1fr) minmax(460px, 640px);
  justify-content: stretch;
}

.control-row button {
  padding: 0 12px;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.primary-control {
  width: 100%;
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

#nextAudio {
  width: 100%;
  min-width: 148px;
  white-space: nowrap;
}

.primary-control:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.primary-control:active {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.jump-control {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(76px, 1fr) 48px;
  align-items: center;
  width: 100%;
  min-width: 188px;
  height: 44px;
  gap: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: visible;
}

.jump-control button {
  min-height: 42px;
  border-color: transparent;
  border-radius: 0;
  background: var(--surface);
}

.jump-control button:focus-visible {
  background: var(--surface-focus);
  outline: none;
}

.jump-control button:hover {
  background: var(--surface-hover);
}

.jump-control button:active {
  background: var(--surface-active);
}

.jump-control > .icon-button {
  width: 48px;
  padding: 0;
}

.jump-amount-wrap {
  position: relative;
  width: 100%;
  min-width: 0;
}

.jump-amount-button {
  width: 100%;
  min-width: 76px;
  min-height: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-top: 0;
  border-bottom: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  font-weight: 600;
  padding: 0 12px;
  cursor: pointer;
}

.jump-amount-value {
  flex: 0 0 auto;
  text-align: center;
}

.custom-menu {
  position: absolute;
  z-index: 30;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 28px var(--menu-shadow);
}

.language-menu {
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  overflow: visible;
}

.settings-modal .language-menu {
  width: 100%;
}

.jump-amount-menu {
  left: 50%;
  bottom: calc(100% + 8px);
  width: 76px;
  transform: translateX(-50%);
}

.custom-menu button {
  width: 100%;
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
  text-align: center;
}

.custom-menu button:hover,
.custom-menu button:focus-visible {
  background: var(--surface-focus);
  outline: none;
}

.custom-menu button:active {
  background: var(--surface-selected-soft);
}

.custom-menu button[aria-selected="true"] {
  background: var(--accent);
  color: var(--accent-ink);
}

.language-menu button {
  text-align: left;
}

.jump-control > :first-child {
  border-radius: 9px 0 0 9px;
}

.jump-control > :last-child {
  border-radius: 0 9px 9px 0;
}

.slider-controls {
  width: min(100%, 640px);
  min-width: 0;
  display: flex;
  gap: 8px;
}

.speed-control,
.volume-control {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  min-height: 44px;
}

.speed-control .control-label,
.volume-control label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.volume-control .ui-icon {
  position: relative;
  width: 1em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.volume-control .ui-icon[data-volume-boosted]::after {
  content: "+";
  position: absolute;
  top: -0.42em;
  right: -0.38em;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.7em;
  font-weight: 650;
  line-height: 1;
  transform: scaleX(0.92);
  transform-origin: center;
}

.volume-control {
  min-width: 0;
  flex: 1 1 0;
}

.speed-control {
  min-width: 0;
  flex: 1 1 0;
}

.volume-control input,
.speed-control input {
  min-width: 0;
  flex: 1 1 auto;
}

.volume-control output {
  min-width: 44px;
}

.speed-control output {
  min-width: 42px;
  text-align: right;
}

output {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 1040px) {
  .transport-row {
    grid-template-columns: minmax(128px, 1fr) minmax(148px, 1fr) minmax(188px, 1fr);
  }

  .transport-row > .primary-control,
  .transport-row > #nextAudio,
  .transport-row > .jump-control {
    width: 100%;
  }

  .slider-controls {
    grid-column: 1 / -1;
    width: 100%;
  }
}

.settings-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--overlay-bg);
  backdrop-filter: blur(var(--overlay-blur));
  -webkit-backdrop-filter: blur(var(--overlay-blur));
}

.settings-backdrop.is-hidden {
  display: none;
}

.license-backdrop {
  z-index: 50;
}

.modal-shell {
  position: relative;
  width: min(640px, calc(100% - 112px));
  max-height: calc(100dvh - 40px);
  display: grid;
}

.license-dialog-shell {
  width: min(760px, calc(100% - 112px));
}

.settings-modal {
  position: relative;
  width: 100%;
  max-height: inherit;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 50px var(--panel-shadow);
  overflow: hidden;
}

.license-modal {
  position: relative;
  width: 100%;
  max-height: inherit;
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 50px var(--panel-shadow);
  overflow: hidden;
}

.license-content {
  min-height: 0;
  display: grid;
  gap: 16px;
  padding: 22px 20px 20px;
  overflow-y: auto;
}

.license-content h2,
.license-section h3 {
  margin: 0;
  color: var(--ink);
  letter-spacing: 0;
}

.license-content h2 {
  font-size: 1.15rem;
  font-weight: 650;
  padding-right: 48px;
}

.license-section {
  display: grid;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.license-section h3 {
  font-size: 0.98rem;
  font-weight: 650;
}

.license-section p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.license-section pre {
  max-height: min(52dvh, 420px);
  margin: 0;
  padding: 14px;
  overflow: auto;
  scrollbar-gutter: stable;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--ink);
  font: 0.82rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  white-space: pre-wrap;
  user-select: text;
}

.license-section pre::-webkit-scrollbar {
  width: 13px;
  height: 13px;
}

.license-section pre::-webkit-scrollbar-track {
  border-left: 1px solid var(--line);
  border-radius: 0 8px 8px 0;
}

.settings-product,
.settings-copyright {
  margin: 0;
}

.settings-product {
  color: var(--ink);
  font-weight: 650;
}

.settings-copyright {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.9rem;
}

.settings-content {
  min-height: 0;
  display: grid;
  gap: 18px;
  padding: 22px 20px 20px;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.settings-content h1,
.settings-section h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: 0;
}

.settings-content h1 {
  font-size: 1.25rem;
  font-weight: 650;
}

.settings-section {
  display: grid;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.settings-content > .settings-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.settings-section h2 {
  font-size: 0.98rem;
  font-weight: 650;
}

.settings-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(220px, 1.25fr);
  align-items: center;
  gap: 16px;
}

.settings-copy label,
.settings-copy p,
.settings-range > span {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.segmented-control {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.segmented-control label {
  min-height: 36px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  cursor: pointer;
}

.segmented-control input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.segmented-control span {
  width: 100%;
  min-height: 34px;
  display: grid;
  place-items: center;
  border-radius: 6px;
}

.segmented-control input:checked + span {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 3px var(--thumb-shadow);
}

.segmented-control input:focus-visible + span {
  outline: 3px solid rgba(61, 89, 245, 0.25);
  outline-offset: 1px;
}

.settings-range {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(180px, 1.2fr) 68px;
  align-items: center;
  gap: 14px;
}

.settings-range output {
  color: var(--muted);
  font-size: 0.94rem;
  text-align: right;
}

.shortcut-list {
  display: grid;
  gap: 8px;
  margin: 0;
}

.shortcut-list div {
  display: grid;
  grid-template-columns: 86px 1fr;
  align-items: center;
  gap: 12px;
}

.shortcut-list dt,
.shortcut-list dd {
  margin: 0;
}

kbd {
  min-width: 34px;
  display: inline-grid;
  place-items: center;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 650;
  line-height: 1.2;
}

.shortcut-key-icon {
  width: 34px;
  height: 28px;
  padding: 0;
}

.shortcut-key-icon .ui-icon {
  width: 22px;
  height: 22px;
  font-size: 22px;
  line-height: 1;
}

.shortcut-list dd {
  color: var(--muted);
  font-size: 0.95rem;
}

.settings-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-end;
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.settings-actions > div:not(.settings-action-buttons) {
  min-width: 0;
  margin-right: auto;
}

.settings-action-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.secondary-button {
  padding: 0 14px;
  font-weight: 650;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: var(--overlay-bg);
  backdrop-filter: blur(var(--overlay-blur));
  -webkit-backdrop-filter: blur(var(--overlay-blur));
}

.loading-overlay.is-hidden {
  display: none;
}

.loader {
  display: grid;
  justify-items: center;
  gap: 10px;
  width: min(360px, calc(100vw - 40px));
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 50px var(--panel-shadow);
  text-align: center;
}

.loader strong {
  font-size: 1.08rem;
}

.loader span:last-child {
  color: var(--muted);
  font-size: 0.98rem;
}

.progress-track {
  width: 100%;
  height: 8px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-soft);
}

.progress-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transform: translateX(0);
  animation: none;
  transition: width 180ms ease;
}

.progress-track.is-indeterminate span {
  width: 38%;
  animation: progress-slide 900ms ease-in-out infinite;
}

@keyframes progress-slide {
  0% {
    transform: translateX(-120%);
  }

  100% {
    transform: translateX(270%);
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 20px, 1440px);
    padding: 10px 0;
  }

  .app-header,
  .track-meta,
  .controls-grid {
    display: grid;
  }

  .header-actions {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    align-items: stretch;
  }

  .file-button,
  .install-button,
  .slider-controls {
    width: 100%;
    flex: 1 1 100%;
  }

  .install-button,
  .file-button {
    grid-column: 2;
  }

  .settings-button {
    grid-column: 1;
    grid-row: 1;
  }

  .status-text {
    text-align: left;
  }

  .drop-zone {
    padding: 20px;
  }

  .drop-copy strong {
    white-space: normal;
  }

  .waveform-wrap {
    min-height: clamp(180px, 36dvh, 280px);
  }

  canvas {
    height: clamp(180px, 36dvh, 280px);
  }

  .control-row button {
    flex: 1 1 72px;
  }

  .primary-control,
  #nextAudio {
    width: auto;
  }

  .transport-row,
  .settings-row {
    justify-content: stretch;
  }

  .jump-control {
    display: grid;
    grid-template-columns: 48px 76px 48px;
    justify-content: center;
    justify-items: center;
    width: 100%;
  }

  .jump-control button {
    flex: none;
  }

  .jump-control > .icon-button {
    width: 48px;
  }

  .settings-backdrop {
    align-items: stretch;
    padding: 10px;
  }

  .modal-shell,
  .license-dialog-shell {
    width: 100%;
    max-height: calc(100dvh - 20px);
  }

  .settings-close {
    top: 12px;
    right: 14px;
    width: 44px;
    min-height: 44px;
    box-shadow: none;
  }

  .settings-modal {
    max-height: inherit;
  }

  .license-modal {
    max-height: inherit;
  }

  .settings-content {
    padding-inline: 16px;
  }

  .license-content {
    padding-inline: 16px;
  }

  .settings-actions {
    align-items: flex-start;
    flex-direction: column;
    padding-inline: 16px;
  }

  .settings-action-buttons {
    width: 100%;
    justify-content: stretch;
  }

  .settings-action-buttons button {
    flex: 1 1 140px;
  }

  .settings-row,
  .settings-range {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 8px;
  }

  .settings-range output {
    text-align: left;
  }

  .shortcut-list div {
    grid-template-columns: 76px 1fr;
  }
}