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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  font-size: 14px;
  color: #1a1a2e;
  background: #f5f6fa;
  padding: 20px;
  max-width: 960px;
  margin: 0 auto;
}

header {
  margin-bottom: 20px;
}

h1 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.stats-bar {
  color: #636e72;
  margin-bottom: 12px;
}

.actions-bar {
  display: flex;
  gap: 8px;
}

.btn {
  padding: 6px 14px;
  border: 1px solid #dcdde1;
  border-radius: 4px;
  background: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover {
  background: #f0f0f5;
}

.btn-primary {
  background: #0984e3;
  color: #fff;
  border-color: #0984e3;
}

.btn-primary:hover {
  background: #0773c5;
}

.btn-danger {
  background: #d63031;
  color: #fff;
  border-color: #d63031;
}

.btn-danger:hover {
  background: #b71c1c;
}

.btn-secondary {
  background: #dfe6e9;
  border-color: #b2bec3;
}

.btn-secondary:hover {
  background: #b2bec3;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pin-form input[type="text"] {
  padding: 4px 8px;
  border: 1px solid #dcdde1;
  border-radius: 3px;
  font-size: 13px;
  vertical-align: middle;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

th {
  text-align: left;
  padding: 10px 14px;
  background: #f8f9fc;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #636e72;
  border-bottom: 1px solid #eee;
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid #f0f0f5;
  font-size: 13px;
}

tr:last-child td {
  border-bottom: none;
}

.loading-row td {
  text-align: center;
  padding: 30px;
  color: #999;
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

.status-active {
  background: #dfe6e9;
  color: #636e72;
}

.status-permanent {
  background: #00b894;
  color: #fff;
}

.mac-address {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 12px;
}

.actions-cell {
  display: flex;
  gap: 6px;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 13px;
  color: #fff;
  background: #2d3436;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: opacity 0.25s, transform 0.25s;
  z-index: 1000;
}

.toast.success { background: #00b894; }
.toast.error   { background: #d63031; }

.toast.hidden {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}