* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1rem;
  color: #1c1c1c;
  background: #fafafa;
}

h1, h2 {
  color: #222;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  background: #fff;
}

table.details {
  width: auto;
  min-width: 320px;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #e2e2e2;
}

thead th {
  background: #f0f0f0;
  font-weight: 600;
}

tbody tr:hover {
  background: #f7f7f7;
}

button {
  cursor: pointer;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.4rem 0.8rem;
  margin: 0.15rem;
  font-size: 0.9rem;
}

button:hover {
  background: #1d4ed8;
}

button.danger {
  background: #dc2626;
}

button.danger:hover {
  background: #b91c1c;
}

button.secondary {
  background: #6b7280;
}

button.secondary:hover {
  background: #4b5563;
}

.actions {
  margin: 1rem 0;
}

form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  background: #fff;
  padding: 1rem;
  border: 1px solid #e2e2e2;
  border-radius: 6px;
  max-width: 480px;
}

form#login-form {
  flex-direction: column;
  align-items: stretch;
  max-width: 320px;
  margin: 3rem auto;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"] {
  padding: 0.4rem 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.9rem;
}

label {
  font-size: 0.9rem;
}

.error {
  color: #dc2626;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
}

.badge.up {
  background: #16a34a;
}

.badge.down {
  background: #dc2626;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
}

.modal-content img {
  display: block;
  margin-top: 0.5rem;
  max-width: 320px;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #17181a;
    color: #e6e6e6;
  }

  h1, h2 {
    color: #f2f2f2;
  }

  table, form {
    background: #212226;
  }

  thead th {
    background: #2a2b30;
  }

  th, td {
    border-bottom: 1px solid #33343a;
  }

  tbody tr:hover {
    background: #26272c;
  }

  input {
    background: #1b1c1f;
    color: #e6e6e6;
    border: 1px solid #3a3b41;
  }

  .modal-content {
    background: #212226;
  }
}