:root {
  --bg: #f6f1e8;
  --surface: rgba(255, 252, 247, 0.86);
  --surface-strong: #fffaf2;
  --ink: #1f1b16;
  --muted: #655b51;
  --line: rgba(74, 52, 33, 0.12);
  --accent: #d9652b;
  --accent-dark: #b94d19;
  --shadow: 0 20px 60px rgba(61, 39, 23, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 101, 43, 0.14), transparent 28%),
    radial-gradient(circle at right, rgba(55, 102, 88, 0.14), transparent 22%),
    linear-gradient(180deg, #fdf9f4 0%, var(--bg) 100%);
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.hero {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 28px;
}

.hero-copy,
.hero-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-copy {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
}

.lede {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-points span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(217, 101, 43, 0.08);
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 600;
}

.hero-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  background:
    linear-gradient(160deg, rgba(217, 101, 43, 0.12), transparent 42%),
    var(--surface-strong);
}

.card-label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-text {
  margin: 0;
  font-size: 24px;
  line-height: 1.5;
}

.workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.panel {
  padding: 24px;
}

h2 {
  margin: 0 0 16px;
  font-size: 22px;
}

label {
  display: block;
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
}

textarea,
select,
button {
  font: inherit;
}

textarea,
select {
  width: 100%;
  border: 1px solid rgba(74, 52, 33, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
}

textarea {
  min-height: 260px;
  padding: 16px;
  resize: vertical;
  line-height: 1.6;
}

.result textarea {
  min-height: 420px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

select {
  padding: 12px 14px;
}

.actions,
.history-head {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
}

.actions {
  justify-content: flex-start;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease;
}

button:hover {
  transform: translateY(-1px);
}

#generateBtn {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.secondary {
  background: rgba(74, 52, 33, 0.08);
  color: var(--ink);
}

.status {
  min-height: 22px;
  margin: 14px 0 0;
  color: var(--muted);
}

.history-list {
  display: grid;
  gap: 14px;
}

.history-item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.6);
}

.history-meta {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.history-draft {
  white-space: pre-wrap;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .hero,
  .workspace {
    grid-template-columns: 1fr;
  }

  .page {
    padding: 20px 16px 40px;
  }

  h1 {
    font-size: 38px;
  }

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