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

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f5f5f5;
  color: #323130;
  min-height: 100vh;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 32px 24px;
  text-align: center;
  width: 100%;
  max-width: 360px;
}

h1 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #201f1e;
}

.description {
  font-size: 13px;
  color: #605e5c;
  margin-bottom: 24px;
  line-height: 1.4;
  word-break: break-word;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #d13438;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  width: 100%;
  min-height: 44px;
}

.btn + .btn {
  margin-top: 10px;
}

.btn:hover:not(:disabled) {
  background: #a4262c;
}

.btn:active:not(:disabled) {
  background: #8b2025;
}

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

.btn.secondary {
  background: #0078d4;
}

.btn.secondary:hover:not(:disabled) {
  background: #005a9e;
}

.btn.secondary:active:not(:disabled) {
  background: #004578;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.status {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.4;
}

.status.success {
  background: #dff6dd;
  color: #107c10;
}

.status.error {
  background: #fde7e9;
  color: #a80000;
}

.status.info {
  background: #e6f2ff;
  color: #004578;
}

.status.warn {
  background: #fff4ce;
  color: #835c00;
}

.hidden {
  display: none;
}