* { box-sizing: border-box; }
body {
  background: #f4f6f9;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: #0f1c2e;
  color: #fff;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand span {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}
.logo {
  height: 22px;
  width: auto;
  border-radius: 4px;
  display: block;
}
.nav {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav a {
  color: #cfe1ff;
  text-decoration: none;
}
.nav-spacer {
  display: inline-block;
  width: 24px;
}
.user-email {
  display: inline-block;
  color: #9bb0c9;
  font-size: 13px;
}
.menu-btn {
  display: none;
  width: 42px;
  height: 36px;
  border: 0;
  background: transparent;
  padding: 6px;
  gap: 4px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: #cfe1ff;
}
.container { padding: 24px; max-width: 960px; margin: 0 auto; }
.card {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.card.note {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.login-logo {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
}
.note-text {
  margin: 0;
  color: #334;
  font-size: 14px;
}
.note-link {
  margin-left: auto;
  color: #0f62fe;
  text-decoration: none;
  font-size: 14px;
}
.btns { display: flex; gap: 12px; margin-top: 12px; }
.btn {
  display: inline-block;
  padding: 10px 14px;
  background: #0f62fe;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
}
.list { display: grid; gap: 10px; }
.row {
  display: block;
  padding: 14px 16px;
  background: #fff;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}
.row-title { font-weight: 600; }
.row-meta { color: #667; font-size: 13px; }
.empty { color: #667; }
.footer {
  padding: 20px;
  text-align: center;
  color: #667;
}
.link { color: #0f62fe; text-decoration: none; }
.notice {
  color: #245c3d;
  background: #e7f6ee;
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.users {
  width: 100%;
  border-collapse: collapse;
}
.users th, .users td {
  padding: 10px 8px;
  border-bottom: 1px solid #e6e9ef;
  text-align: left;
}
.users select {
  padding: 6px 8px;
}

@media (max-width: 900px) {
  .menu-btn {
    display: inline-flex;
  }
  .nav {
    position: absolute;
    top: 64px;
    right: 16px;
    background: #0f1c2e;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 12px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    min-width: 220px;
    z-index: 10;
  }
  .nav.open {
    display: flex;
  }
  .nav-spacer {
    display: none;
  }
  .user-email {
    margin-top: 6px;
  }
}