:root {
  --bg: #eef3f7;
  --card: #ffffffd6;
  --text: #132635;
  --sub: #556a78;
  --line: #d5dfe8;
  --primary: #0c7a72;
  --primary-hover: #09635d;
  --shadow: 0 16px 40px rgba(16, 46, 64, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "HarmonyOS Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  background:
    radial-gradient(1200px 500px at 15% -10%, #d5f1e5 0%, transparent 60%),
    radial-gradient(1000px 500px at 100% -10%, #d8e8ff 0%, transparent 60%),
    linear-gradient(170deg, #f7fbfd 0%, var(--bg) 100%);
  color: var(--text);
}

.app {
  max-width: 1180px;
  margin: 20px auto;
  padding: 0 18px 34px;
}

.header {
  padding: 18px 20px;
  margin-bottom: 12px;
}

.header h1 {
  margin: 0 0 8px;
  font-size: 30px;
  letter-spacing: 0.5px;
}

.header p {
  margin: 0;
  color: var(--sub);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

h2 {
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: 0.2px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--sub);
  font-size: 13px;
}

input, textarea, button {
  font: inherit;
}

input, textarea {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  transition: border-color .2s ease, box-shadow .2s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: #7cb3da;
  box-shadow: 0 0 0 3px rgba(73, 148, 197, 0.15);
}

textarea { width: 100%; resize: vertical; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.span2 { grid-column: span 2; }

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 12px;
}

.between { justify-content: space-between; }

button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 9px 16px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}

button:hover {
  background: #f2f6fa;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(31, 54, 76, 0.1);
}

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

.primary:hover {
  background: var(--primary-hover);
}

.inline {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.status {
  color: #0b6f4f;
  min-height: 22px;
  margin-top: 8px;
  font-weight: 600;
}

.hint {
  color: var(--sub);
  font-size: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

th, td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  font-size: 13px;
}

th {
  background: #f4f8fb;
  color: #314a5c;
  font-weight: 700;
}

td input[type="text"], td input[type="number"] {
  width: 100%;
}

code {
  background: #eff5fa;
  border: 1px solid #d7e3ee;
  padding: 2px 6px;
  border-radius: 6px;
}

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .span2 { grid-column: span 1; }
}