/* Shared CSS Variables */
:root {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --bg-color: #f9fafb;
  --card-bg: #ffffff;
  --text-main: #1f2937;
  --text-muted: #4b5563;
  --border-color: #e5e7eb;
  --radius: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
}

/* Central Card */
.container {
  padding: 2.5rem 2rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  max-width: 500px;
  width: 100%;
  text-align: center;
}

/* Version Status Badge */
.status-badge {
  display: inline-block;
  background-color: #d1fae5;
  color: #065f46;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-bottom: 1.25rem;
}

/* Content */
h1 {
  color: var(--text-main);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

p + p {
  margin-top: 0.25rem;
}

/* Button Navigation */
.action-area {
  display: flex;
  justify-content: center;
  margin-top: 1.75rem;
}

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease-in-out;
  width: 100%;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}