* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
  color: #334155;
  background: linear-gradient(165deg, #f8fafc 0%, #eef2f7 45%, #f1f5f9 100%);
  line-height: 1.6;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 20px 88px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 22px;
}

h1 {
  font-size: 1.55rem;
  font-weight: 600;
  color: #0f172a;
}

.sub {
  margin-top: 6px;
  font-size: 0.88rem;
  color: #64748b;
}

.userbar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: #475569;
}

.userbar button {
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.82rem;
}

.userbar button:hover { border-color: #64748b; }

.search {
  width: 100%;
  margin-bottom: 22px;
  padding: 12px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font-size: 0.95rem;
  outline: none;
  background: #fff;
}

.search:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.group { margin-bottom: 28px; }

.group h2 {
  font-size: 0.82rem;
  font-weight: 600;
  color: #64748b;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  display: block;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.card:hover {
  border-color: #2563eb;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.1);
}

.card strong {
  display: block;
  color: #0f172a;
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.card span {
  display: block;
  font-size: 0.8rem;
  color: #64748b;
}

.hint {
  margin-top: 8px;
  padding: 12px 14px;
  font-size: 0.82rem;
  color: #64748b;
  background: #f8fafc;
  border-left: 3px solid #94a3b8;
  border-radius: 0 8px 8px 0;
}

.empty {
  color: #94a3b8;
  font-size: 0.9rem;
  padding: 24px 4px;
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

.login-card h1 {
  font-size: 1.25rem;
  text-align: center;
  margin-bottom: 8px;
}

.login-card .lead {
  text-align: center;
  color: #64748b;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

label { display: block; color: #64748b; font-size: 0.8rem; margin-bottom: 6px; }

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 0.95rem;
  margin-bottom: 16px;
  outline: none;
}

input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

button.primary {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

button.primary:hover { background: #1d4ed8; }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }

.error { color: #dc2626; font-size: 0.8rem; text-align: center; margin-top: 12px; min-height: 1.2em; }
.status { color: #64748b; font-size: 0.75rem; text-align: center; margin-bottom: 8px; min-height: 1em; }
.foot { color: #94a3b8; font-size: 0.72rem; text-align: center; margin-top: 20px; }