:root {
  --bg: #f7f8fb;
  --panel: #fff;
  --line: #e4e9f2;
  --text: #131722;
  --muted: #667085;
  --blue: #3677ff;
  --blue-soft: #edf3ff;
  --green: #16794c;
  --red: #c4382b;
  --radius: 8px;
  --max: 1320px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.shell {
  width: min(calc(100% - 32px), var(--max));
  margin: auto;
  padding: 24px 0 38px;
}

.nav, .panel, .stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
}
.brand { color: var(--blue); font-size: 20px; font-weight: 800; }
.links { display: flex; gap: 7px; flex-wrap: wrap; color: var(--muted); }
.links a { flex: 0 0 auto; padding: 9px 11px; border-radius: 6px; white-space: nowrap; }
.links a:hover, .links a.active { color: var(--blue); background: var(--blue-soft); }

.panel { padding: 20px; }
.hero { margin-top: 16px; padding: 22px; }
.section { margin-top: 16px; }
.eyebrow { color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
h1 { margin: 8px 0 7px; font-size: 32px; line-height: 1.2; }
h2 { margin: 0; font-size: 22px; }
p { margin: 5px 0 0; color: var(--muted); line-height: 1.65; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 14px;
  margin-bottom: 14px;
}
.actions, .controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  background: #fff;
  font-weight: 700;
  cursor: pointer;
}
button:hover, .button:hover { border-color: #9bb8ff; color: var(--blue); background: #fbfdff; }
button.primary, .primary { color: #fff; border-color: var(--blue); background: var(--blue); }
button.active { color: var(--blue); border-color: #bcd0ff; background: var(--blue-soft); }
input, select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  color: var(--text);
  background: #fff;
}
label { color: var(--muted); font-weight: 700; }
label input, label select { margin-top: 5px; width: 100%; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}
.grid { display: grid; gap: 10px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat {
  min-height: 96px;
  padding: 16px;
}
.stat span { display: block; color: var(--muted); font-size: 13px; }
.stat strong { display: block; margin-top: 8px; font-size: 20px; }

.status {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: #fff;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
table { width: 100%; border-collapse: collapse; min-width: 880px; }
th, td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th { color: var(--muted); font-size: 13px; white-space: nowrap; background: #fbfcff; }
tbody tr:last-child td { border-bottom: 0; }
.muted, .note { color: var(--muted); }
.note { font-size: 13px; }
.up { color: var(--green); }
.down { color: var(--red); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 6px;
  color: var(--muted);
  background: #f3f6fb;
  font-weight: 700;
  white-space: nowrap;
}

@media (max-width: 1000px) {
  .form-grid, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .shell { width: calc(100% - 18px); padding-top: 14px; }
  .nav, .section-head { align-items: flex-start; flex-direction: column; }
  .links { width: 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .links::-webkit-scrollbar { display: none; }
  .panel, .hero { padding: 18px; }
  .form-grid, .grid-4 { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}