* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #17202a;
  background: #f5f7f8;
}

a {
  color: inherit;
}

.crm-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.crm-sidebar {
  background: #17202a;
  color: #fff;
  padding: 24px;
}

.crm-sidebar nav {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.crm-sidebar a {
  border-radius: 6px;
  color: #fff;
  padding: 10px 12px;
  text-decoration: none;
}

.crm-sidebar a:hover {
  background: rgba(255,255,255,.12);
}

.crm-main {
  padding: 28px;
}

.crm-page-head {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.crm-button {
  background: #1f7a5c;
  border: 0;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  padding: 10px 14px;
  text-decoration: none;
}

.crm-table {
  background: #fff;
  border-collapse: collapse;
  width: 100%;
}

.crm-table th,
.crm-table td {
  border-bottom: 1px solid #e1e7ea;
  padding: 12px;
  text-align: left;
}

@media (max-width: 780px) {
  .crm-shell {
    grid-template-columns: 1fr;
  }

  .crm-sidebar {
    position: static;
  }
}