:root {
  --bg: #f4f1ea;
  --bg-card: #ffffff;
  --fg: #0a0a0a;
  --fg-muted: #6b6b6b;
  --fg-faint: #a8a39a;
  --border: #d8d2c4;
  --accent: #ff5c1f;
  --accent-soft: #ffe9dc;
  --shadow: 0 1px 0 #d8d2c4, 0 0 0 1px rgba(0, 0, 0, 0.02);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.04) 1px, transparent 0);
  background-size: 24px 24px;
  color: var(--fg);
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

/* ── Header ──────────────────────────────────────────────────────────── */

header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

h1 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.version {
  font-size: 0.75rem;
  color: var(--fg-faint);
  margin-left: auto;
}

.tagline {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.35;
  margin: 0 0 2rem;
  color: var(--fg);
}

.tagline em {
  font-style: italic;
  color: var(--accent);
  font-weight: 600;
}

.prompt {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  margin-right: 0.25rem;
}

/* ── Pipeline indicator ──────────────────────────────────────────────── */

.pipeline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pipeline .arrow {
  color: var(--fg-faint);
}

/* ── Dropzone ────────────────────────────────────────────────────────── */

#dropzone {
  display: block;
  background: var(--bg-card);
  border: 1.5px dashed var(--border);
  border-radius: 4px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow);
}

#dropzone:hover,
#dropzone.dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

#dropzone input { display: none; }

.dz-empty, .dz-filled {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.dz-icon {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.dz-text {
  font-size: 0.9rem;
}

.dz-hint {
  font-size: 0.75rem;
  color: var(--fg-faint);
}

#filename {
  font-weight: 500;
}

#filesize {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* ── Button ──────────────────────────────────────────────────────────── */

button {
  width: 100%;
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  background: var(--fg);
  color: var(--bg);
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: 0.02em;
}

button:hover:not(:disabled) {
  background: var(--accent);
}

button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

button.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  margin-top: 1.5rem;
}

button.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

/* ── Status ──────────────────────────────────────────────────────────── */

#status {
  min-height: 1.5em;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: 'JetBrains Mono', monospace;
}

#status.active::before {
  content: '▸ ';
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

#status.error {
  color: #c0392b;
}

#status.error::before {
  content: '✗ ';
}

#status.done::before {
  content: '✓ ';
  color: var(--accent);
}

@keyframes blink {
  50% { opacity: 0.3; }
}

/* ── Result ──────────────────────────────────────────────────────────── */

#result {
  margin-top: 2.5rem;
  animation: fadeUp 0.4s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.result-block.highlight {
  border-color: var(--accent);
  border-left-width: 3px;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.result-header h2 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  margin: 0;
}

.count {
  font-size: 0.7rem;
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
}

.result-block p {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.55;
  margin: 0;
  color: var(--fg);
}

audio {
  width: 100%;
  margin-top: 1rem;
  border-radius: 4px;
}

#download {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--fg-faint);
}

#download:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Footer ──────────────────────────────────────────────────────────── */

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--fg-faint);
  text-align: center;
  letter-spacing: 0.05em;
}