:root {
  --bg: #f3f7fb;
  --panel: #ffffff;
  --border: #dbe5f0;
  --text: #1f2a3c;
  --muted: #5b7089;
  --accent: #3aa884;
  --accent-strong: #238268;
}

body {
  margin: 0;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

.top-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.top-buttons a {
  text-decoration: none;
  color: var(--text);
  background: #ffffffcc;
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 8px;
  font-weight: 600;
}

header {
  margin-bottom: 16px;
}

header .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

header h1 {
  margin: 6px 0 8px;
}

header .lede {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: 1.2fr 0.8fr;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 10px 30px rgba(0, 24, 72, 0.07);
}

.card header {
  margin: 0 0 10px;
}

.card h2 {
  margin: 4px 0 6px;
}

.card .meta {
  margin: 0;
  color: var(--muted);
}

label {
  font-weight: 700;
  display: block;
  margin-top: 10px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  box-sizing: border-box;
  margin-top: 6px;
  font-size: 1rem;
  background: #f9fcff;
}

textarea {
  min-height: 120px;
}

input:focus,
textarea:focus,
select:focus,
button:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button {
  border: none;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 700;
}

button.primary {
  background: var(--accent);
  color: white;
}

button.primary:disabled {
  background: #a3d6c5;
  cursor: not-allowed;
}

button.ghost {
  background: #e7eef5;
  color: var(--text);
}

.status {
  margin: 8px 0 0;
  font-weight: 700;
  color: var(--accent-strong);
}

.muted {
  color: var(--muted);
}

.input-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.input-row .grow {
  flex: 1 1 240px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-top: 10px;
}

.continue-edit {
  margin-top: 16px;
  padding: 12px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: #f4f9ff;
}

.continue-edit textarea {
  min-height: 90px;
}

.output {
  background: #0b1629;
  color: #e6f2ff;
  padding: 12px;
  border-radius: 10px;
  min-height: 120px;
  white-space: pre-wrap;
  border: 1px solid #0f1c34;
}

iframe.preview {
  width: 100%;
  min-height: 520px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: white;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-list li {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: #f7fbff;
}

.history-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  background: #e2f3eb;
  color: var(--accent-strong);
  border-radius: 20px;
  font-size: 0.9rem;
  margin-left: 6px;
}

@media (max-width: 960px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .top-buttons {
    justify-content: flex-start;
  }
}