:root {
  --bg: #f6efe4;
  --bg-deep: #e8dcc7;
  --panel: rgba(255, 252, 246, 0.92);
  --panel-strong: #fffaf0;
  --text: #2f241d;
  --muted: #6f6256;
  --accent: #af4d2e;
  --accent-dark: #7c2f1c;
  --border: rgba(79, 55, 40, 0.12);
  --shadow: 0 18px 50px rgba(75, 45, 24, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(175, 77, 46, 0.14), transparent 34%),
    radial-gradient(circle at bottom right, rgba(84, 117, 98, 0.18), transparent 28%),
    linear-gradient(135deg, var(--bg), var(--bg-deep));
}

.page-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-copy,
.hero-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-copy {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  line-height: 0.95;
  max-width: 11ch;
}

.lede {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.lede span {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(175, 77, 46, 0.12);
  color: var(--accent-dark);
}

.hero-card {
  padding: 28px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(250, 238, 220, 0.95)),
    var(--panel);
}

.hero-card p {
  margin: 0 0 18px;
  font-weight: 700;
}

.hero-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(360px, 1.05fr);
  gap: 24px;
}

.panel {
  padding: 24px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: block;
  margin-bottom: 14px;
}

label span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(92, 66, 52, 0.18);
  border-radius: 18px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: rgba(255, 250, 241, 0.95);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(175, 77, 46, 0.55);
  box-shadow: 0 0 0 4px rgba(175, 77, 46, 0.12);
  transform: translateY(-1px);
}

textarea {
  resize: vertical;
  min-height: 96px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
}

button {
  border: 0;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
}

.primary-button,
.ghost-button {
  padding: 12px 18px;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  font-weight: 700;
}

.ghost-button {
  background: rgba(175, 77, 46, 0.08);
  color: var(--accent-dark);
}

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

button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.status-text,
.model-badge,
.empty-state,
.worksheet-meta,
.section-list {
  color: var(--muted);
}

.status-text {
  margin: 0;
}

.model-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(84, 117, 98, 0.14);
  font-size: 0.88rem;
}

.empty-state {
  min-height: 260px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed rgba(92, 66, 52, 0.18);
  border-radius: 24px;
  background: rgba(255, 250, 241, 0.55);
}

.hidden {
  display: none;
}

.worksheet-output {
  animation: rise-in 320ms ease;
}

.worksheet-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 8px;
}

.worksheet-meta {
  margin-bottom: 24px;
  line-height: 1.7;
}

.worksheet-section {
  margin-bottom: 18px;
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: var(--panel-strong);
  border: 1px solid rgba(92, 66, 52, 0.1);
}

.worksheet-section h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.worksheet-section p {
  margin: 0;
  line-height: 1.7;
}

.section-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.75;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero,
  .workspace,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 1000px);
  }

  .actions,
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }
}