:root {
  color-scheme: light;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background: #f5f7fb;
  color: #1f2937;
}

body {
  margin: 0;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  background: #1f2937;
  color: #fff;
}

h1, h2 {
  margin: 0;
}

h1 {
  font-size: 22px;
}

h2 {
  font-size: 17px;
  margin-bottom: 14px;
}

main {
  max-width: 1180px;
  margin: 24px auto;
  padding: 0 16px 40px;
}

.hidden {
  display: none;
}

.hint {
  color: #475569;
}

.task {
  display: grid;
  grid-template-columns: minmax(260px, 1.5fr) repeat(5, minmax(100px, 0.7fr)) auto auto;
  gap: 10px;
  align-items: center;
  border-top: 1px solid #e5e7eb;
  padding: 12px 0;
}

.task p {
  margin: 4px 0;
}

.task small {
  color: #64748b;
}

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
}

.login-box {
  width: min(420px, calc(100% - 32px));
  background: #fff;
  border: 1px solid #d8dee9;
  border-radius: 8px;
  padding: 24px;
}

@media (max-width: 900px) {
  .task {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: #fff;
  border: 1px solid #d8dee9;
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.metric {
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 10px;
  background: #fafafa;
}

.actions, .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  border: 1px solid #2563eb;
  background: #2563eb;
  color: #fff;
  border-radius: 6px;
  padding: 9px 12px;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

.tabs button {
  background: #fff;
  color: #1f2937;
  border-color: #cbd5e1;
}

.form {
  display: grid;
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

input, textarea {
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 9px;
  font: inherit;
}

pre {
  overflow: auto;
  max-height: 560px;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 14px;
}