:root {
  --bg: #0b0d12;
  --bg-2: #14171f;
  --bg-3: #1d212c;
  --fg: #e8eaef;
  --fg-dim: #9aa0ac;
  --accent: #ff5a5f;
  --accent-2: #ffa07a;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #ef4444;
  --border: #2a2f3d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

header h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

#config-btn {
  background: transparent;
  border: none;
  color: var(--fg);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.25rem;
}

main {
  flex: 1;
  padding: 1rem 1.25rem 4rem;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

section {
  margin-bottom: 1.75rem;
}

h2 {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 0 0.75rem;
}

#record-section {
  text-align: center;
}

.mic-btn {
  width: 100%;
  max-width: 240px;
  height: 200px;
  border-radius: 50%;
  border: none;
  background: radial-gradient(circle at 30% 30%, var(--accent-2), var(--accent));
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  cursor: pointer;
  box-shadow: 0 12px 40px rgba(255, 90, 95, 0.35);
  transition: transform 0.1s ease;
}

.mic-btn:active { transform: scale(0.97); }

.mic-btn.recording {
  background: radial-gradient(circle at 30% 30%, #ff6b6b, #c41e3a);
  animation: pulse 1.2s ease-in-out infinite;
}

.mic-btn.processing {
  background: var(--bg-3);
  color: var(--fg-dim);
  cursor: progress;
  animation: none;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 12px 40px rgba(255, 90, 95, 0.35); }
  50% { box-shadow: 0 16px 60px rgba(255, 90, 95, 0.75); }
}

.mic-icon { font-size: 3rem; }

.status {
  margin-top: 1rem;
  color: var(--fg-dim);
  font-size: 0.95rem;
  min-height: 1.5em;
}

.status.error { color: var(--err); }
.status.ok { color: var(--ok); }

.text-fallback {
  margin-top: 1.5rem;
  text-align: left;
}

.text-fallback summary {
  color: var(--fg-dim);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0.25rem 0;
}

#text-form { margin-top: 0.75rem; }

textarea, input {
  width: 100%;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
}

textarea:focus, input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--fg-dim);
  font-size: 0.85rem;
}

label input { margin-top: 0.25rem; }

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
}

button:disabled {
  background: var(--bg-3);
  color: var(--fg-dim);
  cursor: not-allowed;
}

#result-section blockquote {
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  margin: 0 0 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-style: italic;
  color: var(--fg-dim);
}

#last-resumo {
  list-style: none;
  padding: 0;
  margin: 0;
}

#last-resumo li {
  background: var(--bg-2);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

#files-section button {
  margin-bottom: 0.75rem;
  background: var(--bg-3);
  color: var(--fg-dim);
  font-weight: 500;
}

#files-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.file-btn {
  background: var(--bg-2);
  color: var(--fg);
  text-align: left;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
  cursor: pointer;
}

.file-btn:hover { background: var(--bg-3); }

.subfolder-title {
  color: var(--fg-dim);
  font-size: 0.8rem;
  margin: 0.75rem 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#viewer-section pre {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
}

#close-viewer {
  background: var(--bg-3);
  color: var(--fg);
}