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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f5f7fa;
  color: #1a1a2e;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  max-width: 440px;
  width: 100%;
  padding: 48px 40px;
  text-align: center;
}

.logo { font-size: 48px; margin-bottom: 16px; }

h1 { font-size: 24px; font-weight: 700; margin-bottom: 8px; color: #1a1a2e; }

.subtitle { font-size: 15px; color: #6b7280; margin-bottom: 32px; line-height: 1.5; }

.btn {
  display: inline-block;
  background: #6366f1;
  color: #ffffff;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}
.btn:hover { background: #4f46e5; }

.status { margin-top: 24px; font-size: 14px; color: #6b7280; line-height: 1.6; }
.status.error { color: #ef4444; }
.status.success { color: #10b981; }