:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #667085;
  --line: #d7dde8;
  --primary: #1769e0;
  --primary-dark: #0f55b8;
  --ok: #16794c;
  --warn: #b25f00;
  --danger: #b42318;
  --shadow: 0 12px 30px rgba(31, 41, 55, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--primary);
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.brand {
  font-size: 18px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.page {
  width: min(1160px, calc(100vw - 32px));
  margin: 28px auto 48px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel {
  padding: 28px;
}

h1 {
  margin: 0 0 14px;
  font-size: 30px;
  line-height: 1.25;
}

h2 {
  margin: 0 0 16px;
  font-size: 20px;
}

h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

button,
.button {
  border: 0;
  border-radius: 6px;
  padding: 11px 16px;
  color: #ffffff;
  background: var(--primary);
  font-size: 14px;
  cursor: pointer;
}

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

.button.secondary,
button.secondary {
  color: var(--text);
  background: #eef2f7;
}

.button.secondary:hover,
button.secondary:hover {
  background: #dde5f0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}

.stat {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

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

.flow {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.flow-item {
  padding: 12px 14px;
  border-left: 4px solid var(--primary);
  background: #f3f7ff;
  border-radius: 6px;
}

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

label {
  display: grid;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  font-size: 15px;
  background: #ffffff;
}

.inline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.result {
  min-height: 44px;
  margin-top: 16px;
  padding: 12px;
  border-radius: 6px;
  background: #f7f9fc;
  color: var(--muted);
  white-space: pre-wrap;
}

.success {
  color: var(--ok);
  background: #edf8f2;
}

.warning {
  color: var(--warn);
  background: #fff7ed;
}

.danger {
  color: var(--danger);
  background: #fff1f0;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 880px;
}

th,
td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: top;
}

th {
  color: var(--muted);
  background: #f8fafc;
  font-weight: 700;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  background: #eef2f7;
  color: #344054;
  font-size: 12px;
  white-space: nowrap;
}

.tag.danger {
  color: var(--danger);
  background: #fff1f0;
}

.tag.warn {
  color: var(--warn);
  background: #fff7ed;
}

.tag.ok {
  color: var(--ok);
  background: #edf8f2;
}

.section {
  margin-top: 22px;
}

@media (max-width: 820px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 16px;
  }

  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 20px;
  }

  h1 {
    font-size: 24px;
  }
}