/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Design tokens ───────────────────────────────────────────────────────── */
:root {
  /* Accent */
  --accent:      #7c6af7;
  --accent-h:    #6c5ce7;
  --accent-glow: rgba(124, 106, 247, 0.35);

  /* Semantic */
  --success:     #4ade80;
  --error:       #f87171;

  /* Glass */
  --glass-bg:       rgba(255, 255, 255, 0.11);
  --glass-bg-hover: rgba(255, 255, 255, 0.12);
  --glass-border:   rgba(255, 255, 255, 0.11);
  --glass-shadow:   0 8px 32px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.06) inset;

  /* Text */
  --text:   #e2e8f0;
  --text-2: #94a3b8;
  --text-3: #475569;

  /* Surface (non-glass fallback, inputs) */
  --surface:  rgba(10, 8, 26, 0.60);
  --surface2: rgba(10, 8, 26, 0.75);
  --border:   rgba(255, 255, 255, 0.13);

  /* Background */
  --bg: #07071100;

  /* Orbs */
  --orb1: rgba(108, 92, 231, 0.55);
  --orb2: rgba(0, 180, 216, 0.55);
  --orb3: rgba(220, 0, 120, 0.45);

  /* Shape */
  --radius:    12px;
  --radius-sm: 8px;
  --radius-xs: 6px;

  /* Motion */
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --font-mono: "SF Mono", "Fira Code", ui-monospace, monospace;
}

/* Light theme — via system preference */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --glass-bg:       rgba(255, 255, 255, 0.58);
    --glass-bg-hover: rgba(255, 255, 255, 0.72);
    --glass-border:   rgba(200, 200, 240, 0.70);
    --glass-shadow:   0 8px 32px rgba(80, 60, 180, 0.12), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
    --text:   #1e1b4b;
    --text-2: #4c4a80;
    --text-3: #8080b0;
    --surface:  rgba(255, 255, 255, 0.55);
    --surface2: rgba(255, 255, 255, 0.75);
    --border:   rgba(180, 170, 230, 0.45);
    --orb1: rgba(124, 106, 247, 0.45);
    --orb2: rgba(0, 180, 216, 0.30);
    --orb3: rgba(220, 0, 120, 0.22);
  }
  html:not([data-theme="dark"]) body { background: #f0f0ff; }
}

/* Light theme — forced via toggle */
:root[data-theme="light"] {
  --glass-bg:       rgba(255, 255, 255, 0.58);
  --glass-bg-hover: rgba(255, 255, 255, 0.72);
  --glass-border:   rgba(200, 200, 240, 0.70);
  --glass-shadow:   0 8px 32px rgba(80, 60, 180, 0.12), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  --text:   #1e1b4b;
  --text-2: #4c4a80;
  --text-3: #8080b0;
  --surface:  rgba(255, 255, 255, 0.55);
  --surface2: rgba(255, 255, 255, 0.75);
  --border:   rgba(180, 170, 230, 0.45);
  --orb1: rgba(124, 106, 247, 0.28);
  --orb2: rgba(0, 180, 216, 0.16);
  --orb3: rgba(255, 80, 150, 0.12);
}
html[data-theme="light"] body { background: #f0f0ff; }

html, body {
  height: 100%;
  background: #07071100;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: #08080f;
  min-height: 100vh;
}

@media (prefers-color-scheme: light) {
  body { background: #f0f0ff; }
}

/* ── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--accent) 80%, transparent);
}
::-webkit-scrollbar-corner { background: transparent; }
* { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--accent) 40%, transparent) transparent; }

/* ── Background orbs ─────────────────────────────────────────────────────── */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(55px);
  will-change: left, top;
}
.bg-orb--1 {
  width: 45vw; height: 45vw;
  top: -10%;  left: -8%;
  background: radial-gradient(circle, var(--orb1) 0%, transparent 65%);
  animation: orbFloat1 22s ease-in-out infinite alternate;
}
.bg-orb--2 {
  width: 38vw; height: 38vw;
  bottom: -8%; right: -4%;
  background: radial-gradient(circle, var(--orb2) 0%, transparent 65%);
  animation: orbFloat2 28s ease-in-out infinite alternate;
}
.bg-orb--3 {
  width: 30vw; height: 30vw;
  top: 40%; left: 55%;
  background: radial-gradient(circle, var(--orb3) 0%, transparent 65%);
  animation: orbFloat3 18s ease-in-out infinite alternate;
}

@keyframes orbFloat1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(5vw, 8vh) scale(1.08); }
}
@keyframes orbFloat2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-6vw, -6vh) scale(0.95); }
}
@keyframes orbFloat3 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-8vw, 5vh) scale(1.12); }
}

/* ── App shell ───────────────────────────────────────────────────────────── */
.app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  max-width: 820px;
  margin: 0 auto;
  min-height: 100vh;
  overflow-y: auto;
}

/* ── App header ──────────────────────────────────────────────────────────── */
.app-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 0 8px;
}
.app-logo svg {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 18px rgba(124, 106, 247, 0.55));
}
.app-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.app-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #c4b5fd 0%, #a78bfa 55%, #7c6af7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
/* Light theme: deep purple gradient so title doesn't wash out on light bg */
:root[data-theme="light"] .app-title {
  background: linear-gradient(135deg, #4c1d95 0%, #6d28d9 55%, #7c6af7 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .app-title {
    background: linear-gradient(135deg, #4c1d95 0%, #6d28d9 55%, #7c6af7 100%);
    -webkit-background-clip: text;
    background-clip: text;
  }
}
.app-tagline {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.02em;
}

/* ── Footer instructions ─────────────────────────────────────────────────── */
.app-footer {
  margin-top: 4px;
  padding: 14px 0 8px;
  border-top: 1px solid var(--glass-border);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex: 1;
  min-width: 120px;
  max-width: 200px;
}
.step-num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-h) 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--accent-glow);
}
.step-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.step-body strong {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}
.step-body span {
  font-size: 11px;
  color: var(--text-3);
  line-height: 1.4;
}
.step-divider {
  color: var(--text-3);
  font-size: 14px;
  flex-shrink: 0;
  padding-top: 4px;
}

/* ── Top bar (lang + theme) ──────────────────────────────────────────────── */
.lang-switcher {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
  margin-bottom: -4px;
}

/* Language select */
.lang-select {
  appearance: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  outline: none;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.lang-select:hover, .lang-select:focus { color: var(--text); border-color: var(--accent); }

/* Theme toggle button */
.theme-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-2);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 3px 8px;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  margin-right: 4px;
}
.theme-btn:hover { color: var(--text); border-color: var(--accent); }
.lang-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.lang-btn:hover { color: var(--text); border-color: var(--accent); }
.lang-btn.active {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Utilities ───────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.link   { color: var(--accent); cursor: pointer; text-decoration: underline; }

/* ── Glass mixin (applied to panels) ────────────────────────────────────── */
.drop-zone,
.file-info,
.waveform-wrap,
.audio-settings-row,
.done-banner,
.error-msg {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--glass-shadow);
}

/* ── Drop zone ───────────────────────────────────────────────────────────── */
.drop-zone {
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition-slow);
  outline: none;
  border-style: dashed;
}
.drop-zone:hover,
.drop-zone:focus-visible {
  background: var(--glass-bg-hover);
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  transform: translateY(-1px);
}
.drop-zone--over {
  background: color-mix(in srgb, var(--accent) 10%, var(--glass-bg));
  border-color: var(--accent);
  border-style: solid;
  transform: scale(1.005);
  box-shadow: var(--glass-shadow), 0 0 30px var(--accent-glow);
}

.drop-zone__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 36px 20px;
  pointer-events: none;
}
.drop-zone__icon {
  width: 40px;
  height: 40px;
  color: color-mix(in srgb, var(--accent) 70%, var(--text-3));
  margin-bottom: 6px;
  filter: drop-shadow(0 0 12px var(--accent-glow));
}
.drop-zone__text  { color: var(--text-2); font-size: 13px; }
.drop-zone__hint  { color: var(--text-3); font-size: 11px; letter-spacing: .05em; }

/* ── File info bar ───────────────────────────────────────────────────────── */
.file-info {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius);
  padding: 10px 14px;
}
.file-info__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--accent);
}
.file-info__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 500;
}
.file-info__duration {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}
.file-info__change {
  flex-shrink: 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
  padding: 3px 10px;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.file-info__change:hover { border-color: var(--accent); color: var(--text); }

/* ── Time settings wrap ──────────────────────────────────────────────────── */
.time-settings-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Time row ────────────────────────────────────────────────────────────── */
.time-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.time-row__divider {
  color: var(--text-3);
  padding-bottom: 22px;
  flex-shrink: 0;
}
.time-row--advanced {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 10px;
}
.time-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Field ───────────────────────────────────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.field__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-3);
}
.field__input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.field__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
.field__input.invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--error) 20%, transparent);
}

/* ── Duration badge ──────────────────────────────────────────────────────── */
.duration-badge {
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  padding: 6px 10px;
  margin-bottom: 22px;
  white-space: nowrap;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.duration-badge--warn { color: var(--error); border-color: var(--error); }

/* ── Error message ───────────────────────────────────────────────────────── */
.error-msg {
  background: color-mix(in srgb, var(--error) 10%, transparent) !important;
  border: 1px solid color-mix(in srgb, var(--error) 35%, transparent) !important;
  border-radius: var(--radius-sm);
  color: var(--error);
  font-size: 12px;
  padding: 8px 14px;
}

/* ── Preview bar ─────────────────────────────────────────────────────────── */
.preview-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.preview-time {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  color: var(--text-2);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  padding: 9px 16px;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: background var(--transition);
  pointer-events: none;
}
.btn:not(:disabled):active::after {
  background: rgba(255, 255, 255, 0.07);
}
.btn svg { width: 15px; height: 15px; flex-shrink: 0; }

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-h) 100%);
  border-color: transparent;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  justify-content: center;
  box-shadow: 0 4px 15px var(--accent-glow), 0 1px 0 rgba(255,255,255,0.15) inset;
}
.btn--primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow), 0 1px 0 rgba(255,255,255,0.15) inset;
  filter: brightness(1.08);
}
.btn--primary:active:not(:disabled) { transform: translateY(0); }
.btn--primary:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }

.btn--ghost {
  background: var(--glass-bg);
  color: var(--text-2);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--glass-bg-hover);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  color: var(--text);
}
.btn--ghost:disabled { opacity: .4; cursor: not-allowed; }

.btn--icon { padding: 9px 10px; }
.btn--sm   { padding: 5px 12px; font-size: 12px; }

/* ── Nudge buttons ───────────────────────────────────────────────────────── */
.nudge-group { display: flex; gap: 4px; }
.btn--nudge {
  padding: 4px;
  flex: 1;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  color: var(--text-2);
  font-size: 11px;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn--nudge:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent);
  color: var(--text);
}

/* ── Progress ────────────────────────────────────────────────────────────── */
.progress-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.progress-track {
  height: 5px;
  background: var(--surface);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-h), var(--accent), #a89df0);
  border-radius: 99px;
  transition: width 200ms linear;
  box-shadow: 0 0 8px var(--accent-glow);
}
.progress-label {
  font-size: 11px;
  color: var(--text-2);
}

/* ── Waveform ────────────────────────────────────────────────────────────── */
.waveform-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  padding: 10px 0 0;
}

#waveformEl { padding: 0 12px; }

.waveform-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 88px;
  position: absolute;
  inset: 10px 12px auto;
  pointer-events: none;
}
.waveform-loading.hidden { display: none !important; }

.waveform-loading__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
  animation: wfPulse 1.2s ease-in-out infinite;
}
.waveform-loading__dot:nth-child(2) { animation-delay: .2s; }
.waveform-loading__dot:nth-child(3) { animation-delay: .4s; }

@keyframes wfPulse {
  0%, 100% { opacity: 0.2; transform: scale(0.85); }
  50%       { opacity: 0.9; transform: scale(1.15); }
}

/* Region handle styling */
::part(region) { border-radius: 2px; }
::part(region-handle-left),
::part(region-handle-right) {
  width: 4px !important;
  background: var(--accent) !important;
  opacity: 0.85;
  cursor: ew-resize !important;
}

/* ── Waveform tools bar ──────────────────────────────────────────────────── */
.waveform-tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid var(--glass-border);
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-group--find {
  flex: 1;
  justify-content: center;
  gap: 10px;
}

/* ── Toggle label ────────────────────────────────────────────────────────── */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}
.toggle-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  position: relative;
  transition: all var(--transition);
  flex-shrink: 0;
}
.toggle-label input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.toggle-label input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 2px; top: 1px;
  width: 8px; height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.toggle-label--sm { font-size: 11px; }

/* ── Snap select ─────────────────────────────────────────────────────────── */
.snap-select {
  appearance: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xs);
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
  outline: none;
  padding: 4px 8px;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.snap-select:focus { border-color: var(--accent); color: var(--text); }

/* ── Find Best button ────────────────────────────────────────────────────── */
.btn--find {
  padding: 6px 16px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 22%, transparent),
    color-mix(in srgb, var(--accent) 10%, transparent));
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 20px;
  color: var(--accent);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.btn--find:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: translateY(-1px);
}
.btn--find:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Audio settings row ──────────────────────────────────────────────────── */
.audio-settings-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-top: 8px;
}
.settings-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ── Presets row ─────────────────────────────────────────────────────────── */
.presets-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn--preset {
  padding: 4px 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-2);
  border-radius: 20px;
  font-family: var(--font);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn--preset:hover { border-color: var(--accent); color: var(--accent); }
.btn--preset.active {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  font-weight: 600;
}

/* ── Fades row ───────────────────────────────────────────────────────────── */
.fades-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--glass-border);
  padding-top: 12px;
}
.fade-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-2);
}
.fade-input {
  width: 48px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-xs);
  padding: 4px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  outline: none;
  transition: border-color var(--transition);
  /* Hide native spinners */
  -moz-appearance: textfield;
}
.fade-input::-webkit-outer-spin-button,
.fade-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.fade-input:focus { border-color: var(--accent); }
.enhancer-label { margin-left: auto; }

/* ── Sound presets ───────────────────────────────────────────────────────── */
.sound-presets-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  border-top: 1px solid var(--glass-border);
  padding-top: 12px;
}
.btn--sound {
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-2);
  font-family: var(--font);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn--sound:hover { border-color: currentColor; filter: brightness(1.2); }
.btn--sound.active {
  background: color-mix(in srgb, currentColor 15%, transparent);
  border-color: currentColor;
  font-weight: 600;
}
.btn--sound--balanced     { color: #4ade80; }
.btn--sound--balanced.active { color: #4ade80; }
.btn--sound[data-preset="loud"]  { color: #fb923c; }
.btn--sound[data-preset="loud"].active { color: #fb923c; }
.btn--sound--soft         { color: #60a5fa; }
.btn--sound--soft.active  { color: #60a5fa; }
.btn--sound--none         { color: var(--text-3); }

/* ── Preview jumps ───────────────────────────────────────────────────────── */
.preview-jumps {
  display: flex;
  gap: 4px;
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid var(--glass-border);
}

/* ── Ring preview ────────────────────────────────────────────────────────── */
.btn--ring {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 20px;
  white-space: nowrap;
}
.ring-counter {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  font-family: var(--font-mono);
  animation: ringPulse 0.8s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Generate row ────────────────────────────────────────────────────────── */
.generate-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.format-select {
  appearance: none;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  padding: 0 14px;
  transition: all var(--transition);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.format-select:focus { border-color: var(--accent); }
#btnGenerate { flex: 1; }

/* ── Make Best Ringtone ──────────────────────────────────────────────────── */
.btn--make-best {
  padding: 10px 18px;
  background: linear-gradient(135deg,
    color-mix(in srgb, #6c5ce7 80%, #a29bfe),
    color-mix(in srgb, #a29bfe 80%, #6c5ce7));
  border: 1px solid rgba(162, 155, 254, 0.4);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
}
.btn--make-best:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(108, 92, 231, 0.50);
  filter: brightness(1.08);
}
.btn--make-best:active:not(:disabled) { transform: translateY(0); }
.btn--make-best:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }

/* ── Done banner ─────────────────────────────────────────────────────────── */
.done-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: color-mix(in srgb, var(--success) 8%, transparent) !important;
  border: 1px solid color-mix(in srgb, var(--success) 30%, transparent) !important;
  border-radius: var(--radius);
  padding: 10px 14px;
}
.done-banner__text {
  flex: 1;
  color: var(--success);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── iTunes tip ──────────────────────────────────────────────────────────── */
.itunes-tip {
  font-size: 11px;
  color: var(--text-3);
  margin-left: 4px;
  font-style: italic;
}

/* ── Toast ───────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255,255,255,0.05) inset;
  color: var(--text);
  padding: 9px 22px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 500;
  pointer-events: none;
  z-index: 9999;
  animation: toastIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), toastOut 0.3s ease 1.7s forwards;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(16px) scale(0.92); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.95); }
}

/* ── Mobile-first: 320–480px ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  .app {
    padding: 10px;
    gap: 8px;
  }

  /* Time row — tighter on narrow screens */
  .time-row--advanced {
    gap: 8px;
  }
  .time-col { gap: 6px; }
  .field__input { font-size: 14px; padding: 7px 10px; }
  .nudge-group { gap: 3px; }
  .btn--nudge  { font-size: 10px; padding: 3px; }

  /* Waveform tools — compress */
  .waveform-tools { padding: 6px 8px; gap: 4px; }
  .tool-group { gap: 4px; }
  .btn--find  { font-size: 11px; padding: 5px 10px; }
  .toggle-label--sm { font-size: 10px; }

  /* Audio settings */
  .audio-settings-row { padding: 10px 10px; gap: 10px; }
  .fades-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .enhancer-label { margin-left: 0; }

  /* Sound presets — tighter */
  .sound-presets-row { gap: 4px; }
  .btn--sound  { padding: 3px 9px; font-size: 11px; }
  .btn--preset { padding: 3px 9px; font-size: 11px; }

  /* Preview bar — wrap */
  .preview-bar {
    gap: 6px;
    row-gap: 8px;
  }
  .btn--ring { font-size: 11px; padding: 4px 8px; }

  /* Generate row — stack: [select] then [make-best | generate] */
  .generate-row {
    flex-wrap: wrap;
  }
  .format-select  { width: 100%; }
  .btn--make-best { flex: 1; font-size: 12px; padding: 9px 10px; }
  #btnGenerate    { min-width: 80px; }

  /* Done banner */
  .done-banner { flex-wrap: wrap; gap: 6px; }
  .itunes-tip  { margin-left: 0; font-size: 10px; }

  /* Header */
  .app-title  { font-size: 22px; }
  .app-logo svg { width: 40px; height: 40px; }

  /* Footer steps */
  .step-divider { display: none; }
  .steps { justify-content: flex-start; gap: 12px; }
  .step  { max-width: 100%; flex: none; width: 100%; }
}

/* ── Pulse animations ────────────────────────────────────────────────────── */
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  50%       { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 0%, transparent); }
}
.generate-pulse { animation: btnPulse 1.2s ease-in-out 3; }

@keyframes regionFlash {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}
.region-flash { animation: regionFlash 0.3s ease-in-out 3; }