:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --card-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text: #f8fafc;
  --text-muted: #94a3b8;
}

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

body {
  font-family:
    "Inter",
    system-ui,
    -apple-system,
    sans-serif;
  background: var(--bg-gradient);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 450px;
  padding: 2rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  text-align: center;
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #818cf8, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  width: 100%;
  padding: 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  background: #475569;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.input-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

input,
textarea {
  width: 100%;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: white;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.status {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 12px;
  font-size: 0.875rem;
  display: none;
}

.status.info {
  display: block;
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.status.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.card-icon {
  width: 64px;
  height: 64px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--primary);
}

.nav-links {
  margin-top: 2rem;
  font-size: 0.875rem;
}

.nav-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  text-decoration: underline;
}