:root {
  --bg-1: #eef2ef;
  --bg-2: #dce6df;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-border: rgba(56, 70, 54, 0.1);
  --ink: #1d2d27;
  --muted: #56645d;
  --accent: #305444;
  --accent-strong: #1f3a2e;
  --paper: #ffffff;
  --shadow: 0 24px 70px rgba(33, 42, 35, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Gill Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 26%),
    radial-gradient(circle at bottom right, rgba(188, 205, 193, 0.36), transparent 24%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2));
}

.page-shell {
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 100vh;
}

.control-panel,
.preview-panel {
  padding: 30px;
}

.control-panel {
  background: var(--panel);
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--panel-border);
}

.panel-intro h1 {
  margin: 0;
  font-family: "Baskerville", "Iowan Old Style", serif;
  font-size: clamp(2rem, 3vw, 2.5rem);
  letter-spacing: 0.02em;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--accent-strong);
}

.eyebrow a {
  color: inherit;
  text-decoration: none;
}

.eyebrow a:hover,
.eyebrow a:focus-visible {
  text-decoration: underline;
}

.lede,
.summary-text,
label,
.tone-fieldset legend {
  color: var(--muted);
}

.editor-form {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(54, 68, 53, 0.14);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 90px;
}

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

.actions {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin: 0;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
}

button.primary {
  color: #fff;
  background: linear-gradient(135deg, #2f5b48, #214134);
  box-shadow: 0 12px 26px rgba(33, 65, 52, 0.22);
}

button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(54, 68, 53, 0.12);
}

.preview-panel {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
}

.preview-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.preview-card {
  background: rgba(255, 253, 248, 0.44);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 26px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.preview-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.preview-card h2 {
  margin: 0;
  font-family: "Baskerville", "Iowan Old Style", serif;
  font-size: 1.3rem;
}

.preview-status {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.preview-canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: var(--paper);
}

@media (max-width: 1180px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .control-panel {
    border-right: 0;
    border-bottom: 1px solid var(--panel-border);
  }
}

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

@media (max-width: 720px) {
  .control-panel,
  .preview-panel {
    padding: 20px;
  }

  .split-fields,
  .actions {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}