:root {
  --ul-red: #c41230;
  --ink: #1f1f23;
  --muted: #666b73;
  --line: #d9dce1;
  --bg: #f6f7f8;
  --panel: #ffffff;
  --soft-red: #fff3f5;
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

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

button, input {
  font: inherit;
}

button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  min-height: 40px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
}

button.secondary {
  background: var(--ul-red);
  border-color: var(--ul-red);
}

button.ghost {
  background: #fff;
  color: var(--ink);
}

.login-panel {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(440px, 100%);
  background: #fff;
  border: 1px solid var(--line);
  padding: 32px;
}

.brand-line {
  height: 6px;
  background: var(--ul-red);
  margin: -32px -32px 28px;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.login-card p {
  color: var(--muted);
  margin: 0 0 24px;
}

label {
  display: block;
  margin: 14px 0;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  min-height: 40px;
  padding: 8px 10px;
  margin-top: 6px;
}

.error {
  color: var(--ul-red);
  font-weight: 700;
}

main {
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  background: #fff;
  border-top: 6px solid var(--ul-red);
  border-bottom: 1px solid var(--line);
  padding: 28px;
  margin: -28px -28px 28px;
}

.eyebrow {
  color: var(--ul-red);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
}

h1, h2 {
  letter-spacing: 0;
}

.topbar h1 {
  margin: 6px 0;
  font-size: 34px;
}

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

.top-actions {
  display: flex;
  gap: 10px;
}

.status-strip {
  display: grid;
  grid-template-columns: 180px 140px 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.status-strip > div,
.metric-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
}

.status-strip > div {
  padding: 12px 14px;
}

.status-strip strong {
  display: block;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-strip span {
  color: var(--muted);
  font-size: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.metric-card {
  border-top: 3px solid var(--ul-red);
  padding: 16px;
  min-height: 110px;
}

.metric-value {
  font-size: 32px;
  font-weight: 800;
}

.metric-label {
  font-weight: 800;
  margin-top: 8px;
}

.metric-desc {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.panel {
  padding: 18px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
}

.panel-head h2 {
  margin: 0;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 11px 8px;
  vertical-align: top;
  font-size: 14px;
}

th {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
}

.status-pill,
.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: #fff;
  padding: 4px 8px;
  margin: 2px;
  font-size: 12px;
  font-weight: 700;
}

.status-pill {
  background: var(--soft-red);
  color: #8e1024;
  border-color: #f0c4cc;
}

.workflow-list {
  display: grid;
  gap: 10px;
}

.workflow {
  border: 1px solid var(--line);
  padding: 12px;
}

.workflow h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.workflow p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recent-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.recent-list li {
  border-bottom: 1px solid var(--line);
  padding: 9px 0;
  font-size: 13px;
}

.recent-list span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 980px) {
  main { padding: 18px; }
  .topbar {
    margin: -18px -18px 18px;
    flex-direction: column;
  }
  .status-strip,
  .metric-grid,
  .layout {
    grid-template-columns: 1fr;
  }
  .top-actions {
    width: 100%;
  }
  .top-actions button {
    flex: 1;
  }
  .panel-head {
    align-items: stretch;
    flex-direction: column;
  }
}