:root {
  color-scheme: light;
  --bg: #f4f0ea;
  --panel: #ffffff;
  --ink: #1b1a17;
  --muted: #5a5044;
  --accent: #0f4c5c;
  --accent-strong: #08323c;
  --border: #d8cbb9;
  --error-bg: #fce9e6;
  --error-ink: #8f1d14;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino", "Book Antiqua", serif;
  background: linear-gradient(120deg, #f7f2ea, #efe6da 60%, #e7ddd0);
  color: var(--ink);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.hero {
  margin-bottom: 32px;
}

.eyebrow {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 12px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 600;
}

.lead {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(15, 76, 92, 0.08);
}

.meta {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 16px;
}

.label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.mono {
  font-family: "Courier New", ui-monospace, monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

.error {
  min-height: 1.5em;
  margin-bottom: 16px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--error-bg);
  color: var(--error-ink);
  font-size: 0.95rem;
  display: none;
}

.error.show {
  display: block;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 14px;
  font-family: "Courier New", ui-monospace, monospace;
  font-size: 0.95rem;
  background: #fbfaf7;
  color: var(--ink);
  resize: vertical;
}

.actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

button {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(15, 76, 92, 0.2);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

@media (max-width: 640px) {
  .page {
    padding: 32px 16px 56px;
  }

  .panel {
    padding: 18px;
  }
}