:root {
  --bg:          #160C06;
  --surface:     #211009;
  --raised:      #2C160C;
  --border:      #422010;
  --border-hi:   #5C3018;
  --accent:      #C8763E;
  --accent-h:    #D88A4E;
  --accent-dim:  rgba(200, 118, 62, 0.18);
  --accent-glow: rgba(200, 118, 62, 0.35);
  --text:        #EDD5BC;
  --text-sub:    #7A5A44;
  --text-muted:  #40261A;
  --radius:      14px;
  --radius-sm:   9px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── App wrapper ────────────────────────────────────────────── */
.app {
  max-width: 740px;
  margin: 0 auto;
  padding: 52px 24px 100px;
}

/* ── Header ─────────────────────────────────────────────────── */
.header {
  text-align: center;
  margin-bottom: 52px;
}

.logo-wrap {
  display: inline-block;
  position: relative;
}

.logo-wrap::before {
  content: '';
  position: absolute;
  inset: -12px -28px;
  pointer-events: none;
}

.logo {
  font-family: 'Dancing Script', cursive;
  font-size: 84px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -1px;
  position: relative;
}

.tagline {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-weight: 500;
}

/* ── Card ────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  box-shadow: 0 4px 40px rgba(0,0,0,0.5);
}

/* ── Controls row ────────────────────────────────────────────── */
.controls-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  align-items: start;
}

/* ── Fields ──────────────────────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Selects ─────────────────────────────────────────────────── */
.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 6px;
  background: var(--accent);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  pointer-events: none;
}

select {
  width: 100%;
  padding: 10px 34px 10px 12px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13.5px;
  cursor: pointer;
  appearance: none;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
}

select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

select optgroup {
  color: var(--text-sub);
  font-style: normal;
  font-size: 11px;
}

select option {
  background: #2C160C;
  color: var(--text);
  font-size: 13.5px;
}

/* ── Upload area ──────────────────────────────────────────────── */
.upload-area {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: var(--raised);
  border: 1px dashed var(--border-hi);
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  text-align: center;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}

.upload-area.is-dragging {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.upload-area.is-busy {
  border-style: solid;
}

.upload-icon {
  color: var(--accent);
  margin-bottom: 8px;
}

.upload-main {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.upload-browse {
  color: var(--accent);
  background: transparent;
  border: 0;
  padding: 0;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.upload-browse:hover {
  color: var(--accent-h);
  text-decoration: underline;
}

.upload-sub {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

#upload-busy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

/* ── Speed slider ─────────────────────────────────────────────── */
.badge {
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  text-transform: none;
}

.slider-track {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border-hi);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  accent-color: var(--accent);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 8px var(--accent-glow);
  transition: background 0.15s, transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent-h);
  transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
}

/* ── Textarea ─────────────────────────────────────────────────── */
.text-field {
  position: relative;
}

textarea {
  resize: vertical;
  width: 100%;
  padding: 14px 16px 32px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.65;
  min-height: 140px;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
}

textarea::placeholder {
  color: var(--text-muted);
}

textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.char-count {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
}

/* ── Generate button ──────────────────────────────────────────── */
.btn-generate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  padding: 14px 24px;
  background: var(--accent);
  color: #140A04;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s, box-shadow 0.2s, transform 0.08s;
  letter-spacing: 0.2px;
}

.btn-generate:hover:not(:disabled) {
  background: var(--accent-h);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-generate:active:not(:disabled) {
  transform: scale(0.985);
}

.btn-generate:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-generate.loading {
  background: var(--border-hi);
  color: var(--text-sub);
}

/* Loading spinner inside button */
.spinner {
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

@keyframes spin { to { transform: rotate(360deg); } }


/* ── Output card ──────────────────────────────────────────────── */
.output-card {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 4px 40px rgba(0,0,0,0.5);
  animation: rise 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.output-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-sub);
}

.output-voice-tag {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200,118,62,0.25);
  border-radius: 20px;
  padding: 2px 9px;
  font-weight: 500;
}

/* ── Waveform ─────────────────────────────────────────────────── */
.waveform-container {
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 16px 12px;
  min-height: 110px;
  position: relative;
  overflow: hidden;
}

#waveform {
  width: 100%;
}


/* ── Playback controls ────────────────────────────────────────── */
.playback-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-play {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  color: #140A04;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.08s, box-shadow 0.2s;
}

.btn-play:hover {
  background: var(--accent-h);
  box-shadow: 0 0 18px var(--accent-glow);
}

.btn-play:active {
  transform: scale(0.93);
}

.time-display {
  font-size: 13px;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
  min-width: 76px;
}

.time-sep { color: var(--text-muted); }

.progress-mini {
  flex-grow: 1;
  height: 4px;
  background: var(--border-hi);
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.btn-download {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.btn-download:hover {
  background: var(--accent);
  color: #140A04;
}

/* ── Error toast ──────────────────────────────────────────────── */
.error-toast {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(180, 50, 30, 0.15);
  border: 1px solid rgba(180, 60, 40, 0.35);
  border-radius: var(--radius-sm);
  color: #E8876A;
  font-size: 13.5px;
  animation: rise 0.25s ease;
}

.error-toast svg {
  flex-shrink: 0;
  color: #E8876A;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 600px) {
  .app { padding: 36px 16px 80px; }

  .logo { font-size: 64px; }

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

  .card { padding: 22px 18px; }

  .output-card { padding: 18px; }

  .btn-download span { display: none; }
}