:root {
  --bg-color: #0B0F19;
  --text-color: #f8fafc;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --card-bg: rgba(30, 41, 59, 0.4);
  --border-color: rgba(255, 255, 255, 0.08);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

.glass-panel {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.gradient-text {
  background: linear-gradient(135deg, #38bdf8, #818cf8, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: white;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: #cbd5e1;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: white;
  transition: border-color 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #f87171;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: #4ade80;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  border-bottom: 1px solid var(--border-color);
}
