:root {
  --bg: #f4efe7;
  --bg-accent: #dfe8db;
  --panel: rgba(255, 252, 246, 0.85);
  --panel-strong: #fffaf2;
  --line: rgba(51, 63, 53, 0.12);
  --text: #1f241f;
  --muted: #5c685d;
  --accent: #115e59;
  --accent-strong: #0b3d3c;
  --warm: #c96f3f;
  --shadow: 0 24px 60px rgba(31, 36, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(201, 111, 63, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(17, 94, 89, 0.14), transparent 26%),
    linear-gradient(135deg, var(--bg), #f8f5ee 42%, var(--bg-accent));
}

button,
input,
textarea {
  font: inherit;
}

.page-shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-copy,
.hero-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1,
.panel-heading h2 {
  margin: 0;
  font-family: "Source Serif 4", serif;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 0.96;
  max-width: 12ch;
}

.hero-text,
.panel-heading p,
.status,
.field span,
.preview-panel,
.upload-button,
.ghost-button,
.primary-button {
  color: var(--muted);
}

.hero-text {
  max-width: 52ch;
  margin: 18px 0 0;
  line-height: 1.6;
}

.hero-card {
  padding: 24px;
  display: grid;
  gap: 14px;
  align-content: center;
  background:
    linear-gradient(180deg, rgba(17, 94, 89, 0.12), transparent 40%),
    var(--panel-strong);
}

.stat {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(17, 94, 89, 0.1);
}

.stat-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.workspace {
  display: grid;
  gap: 24px;
}

.controls-panel,
.editor-preview-grid {
  display: grid;
  gap: 24px;
}

.controls-panel {
  padding: 26px;
}

.editor-preview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel {
  min-width: 0;
  overflow: hidden;
}

.panel-heading {
  padding: 24px 24px 0;
}

.panel-heading p {
  margin: 10px 0 0;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.92rem;
}

.field input,
textarea {
  width: 100%;
  border: 1px solid rgba(31, 36, 31, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
}

.field input {
  padding: 12px 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
}

.ghost-button,
.primary-button,
.upload-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  text-decoration: none;
}

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

.upload-button input {
  display: none;
}

.ghost-button:hover,
.primary-button:hover,
.upload-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(17, 94, 89, 0.14);
  border-color: rgba(17, 94, 89, 0.28);
}

.status {
  margin: 16px 2px 0;
  min-height: 1.4em;
}

textarea {
  min-height: 580px;
  padding: 22px;
  resize: vertical;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  border-radius: 0;
  background: rgba(255, 252, 247, 0.66);
  line-height: 1.65;
}

.preview {
  min-height: 580px;
  padding: 22px 24px 30px;
  overflow: auto;
  border-top: 1px solid var(--line);
  font-family: "Source Serif 4", serif;
  background: rgba(255, 250, 242, 0.82);
  line-height: 1.7;
}

.preview h1,
.preview h2,
.preview h3,
.preview h4,
.preview h5,
.preview h6 {
  line-height: 1.15;
  margin-top: 1.4em;
  margin-bottom: 0.5em;
}

.preview :first-child {
  margin-top: 0;
}

.preview pre,
.preview code {
  font-family: "SFMono-Regular", "SF Mono", Consolas, monospace;
}

.preview pre {
  padding: 16px;
  border-radius: 18px;
  background: #1d2b28;
  color: #eef6f1;
  overflow: auto;
}

.preview blockquote {
  margin: 1.2em 0;
  padding-left: 16px;
  border-left: 4px solid var(--warm);
  color: #4f564e;
}

.preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
}

.preview th,
.preview td {
  border: 1px solid rgba(31, 36, 31, 0.12);
  padding: 10px 12px;
  text-align: left;
}

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

  .page-shell {
    width: min(100% - 20px, 1280px);
    padding-top: 20px;
  }

  .hero-copy,
  .hero-card,
  .controls-panel {
    padding: 22px;
  }
}