:root {
  color-scheme: light;
  --ink: #17201d;
  --muted: #67706c;
  --paper: #f5f1e8;
  --surface: #fffdf8;
  --line: #d8d2c7;
  --red: #d7483e;
  --red-dark: #af3029;
  --green: #1f6953;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 32, 29, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 32px;
  font-family: "Manrope", sans-serif;
}

button,
textarea {
  font: inherit;
}

.shell {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

header {
  margin-bottom: 48px;
}

.eyebrow,
.section-label,
time {
  margin: 0;
  color: var(--green);
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  margin: 8px 0 10px;
  font-size: clamp(3.5rem, 10vw, 6.25rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.intro {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.recorder,
.transcript-section {
  border-top: 1px solid var(--ink);
}

.recorder-heading,
.transcript-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 18px 0;
}

.status {
  margin: 5px 0 0;
  font-size: 0.9rem;
}

time {
  color: var(--ink);
  font-size: 0.9rem;
}

.record-zone {
  display: grid;
  min-height: 290px;
  place-items: center;
  padding: 36px 24px 28px;
  background: transparent;
}

.pulse-ring {
  position: relative;
  display: grid;
  width: 152px;
  height: 152px;
  place-items: center;
  border-radius: 50%;
}

.pulse-ring::before {
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.record-button {
  display: flex;
  width: 120px;
  height: 120px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 50%;
  color: white;
  background: var(--red);
  cursor: pointer;
  font-weight: 700;
  transition: background 160ms ease, transform 160ms ease;
}

.record-button:hover {
  background: var(--red-dark);
  transform: scale(1.03);
}

.record-button:focus-visible,
.copy-button:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.record-icon {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
}

.is-recording .pulse-ring::before {
  border-color: color-mix(in srgb, var(--red) 35%, transparent);
  animation: pulse 1.7s ease-out infinite;
}

.is-recording .record-icon {
  border-radius: 2px;
}

.record-button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.hint {
  align-self: end;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.transcript-section {
  margin-top: 48px;
}

h2 {
  margin: 5px 0 0;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.copy-button {
  padding: 8px 14px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.copy-button:disabled {
  cursor: default;
  opacity: 0.35;
}

textarea {
  width: 100%;
  min-height: 190px;
  resize: vertical;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: var(--surface);
  font-size: 1rem;
  line-height: 1.7;
}

textarea::placeholder {
  color: #939994;
}

@keyframes pulse {
  0% { transform: scale(0.92); opacity: 1; }
  100% { transform: scale(1.22); opacity: 0; }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 28px, 760px);
    padding: 44px 0;
  }

  header {
    margin-bottom: 36px;
  }

  .record-zone {
    min-height: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}