:root {
  --bg: #f2f5fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #64748b;
  --line: #dbe1ee;
  --primary: #1d4ed8;
  --primary-weak: #e8efff;
  --good: #0f766e;
  --warn: #a16207;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans Tibetan", "Noto Sans SC", sans-serif;
  background: radial-gradient(circle at top, #eaf1ff, var(--bg) 28%);
  color: var(--text);
}

.container {
  max-width: 1240px;
  margin: 20px auto 30px;
  padding: 0 14px;
}

.hero {
  margin-bottom: 14px;
}

h1 {
  margin: 0 0 6px;
  font-size: 30px;
}

.hint {
  margin: 0 0 10px;
  color: var(--muted);
}

.meta-pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  font-size: 13px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
}

h2 {
  margin: 0 0 10px;
  font-size: 18px;
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 10px;
}

textarea {
  width: 100%;
  min-height: 170px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  resize: vertical;
  font-size: 16px;
  line-height: 1.55;
}

button,
input[type="text"],
select {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

button {
  padding: 8px 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--primary);
}

button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

button.primary:hover {
  filter: brightness(1.05);
}

input[type="text"],
select {
  padding: 7px 8px;
  min-width: 120px;
}

.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #334155;
}

.stats-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 10px;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
}

.stat-value {
  margin-top: 4px;
  font-size: 22px;
  font-weight: 700;
}

.status {
  margin: 10px 0 0;
  color: #475569;
}

.output-box {
  min-height: 190px;
  background: #f8fafc;
}