:root {
  color-scheme: light;
  --ink: #18202a;
  --muted: #5c6672;
  --line: #d9dee5;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --accent: #0f6b5c;
  --accent-dark: #0a5145;
  --warn: #a94e12;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.topbar,
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

h1,
h2 {
  margin: 0 0 6px;
  letter-spacing: 0;
}

p {
  margin: 0;
  color: var(--muted);
}

.panel {
  margin-top: 18px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

button {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
}

button.secondary {
  color: var(--accent);
  background: #e8f3f1;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tabs button {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.tabs button.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.record-form {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.record-form button {
  align-self: end;
}

.table-wrap {
  margin-top: 18px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  background: #f0f3f5;
  color: #303a45;
  position: sticky;
  top: 0;
}

.hidden {
  display: none !important;
}

.error {
  color: var(--warn);
}

.result {
  white-space: pre-wrap;
  padding: 12px;
  background: #f5f7f8;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
}

.review-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.review-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

@media (max-width: 760px) {
  .shell {
    padding: 14px;
  }

  .topbar,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .auth-grid,
  .record-form {
    grid-template-columns: 1fr;
  }
}