:root {
  --primary: #2193b0;
  --secondary: #6dd5ed;
  --bg-gradient: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-gradient);
  color: #fff;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
}

/* Dynamic background shapes */
.app-background {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: -1;
  overflow: hidden;
  background: var(--bg-gradient);
}
.app-background::before, .app-background::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 15s infinite alternate;
}
.app-background::before {
  top: -10%; left: -10%; width: 50%; height: 50%;
  background: rgba(33, 147, 176, 0.2);
}
.app-background::after {
  bottom: -10%; right: -10%; width: 60%; height: 60%;
  background: rgba(109, 213, 237, 0.15);
  animation-delay: -5s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(100px, 50px) scale(1.1); }
}

/* Glassmorphism Containers */
.glass-nav {
  background: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(15px);
  border-bottom: 2px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.glass-container {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: all 0.3s ease;
}
.glass-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Form Controls */
.form-control, .form-select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid calc(var(--glass-border) * 2);
  color: #fff !important;
  border-radius: 12px;
}
.form-control:focus, .form-select:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(33, 147, 176, 0.25);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #2193b0, #6dd5ed);
  border: none;
  border-radius: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(33, 147, 176, 0.4);
}

/* Utilities */
.text-gradient {
  background: linear-gradient(90deg, #2193b0, #6dd5ed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}