/* ========================================
   Glassmorphism Utility Classes
   ======================================== */

/* Glassmorphism Variables */
:root {
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-bg-strong: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-blur: blur(10px);
  --glass-radius: 20px;
}

/* Main Glassmorphism Class */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

/* Stronger Glass Effect */
.glass-strong {
  background: var(--glass-bg-strong);
}

/* Glass Card Variants */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  padding: 2rem;
  transition: all 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  background: var(--glass-bg-strong);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Glass Button */
.glass-btn {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-block;
}

.glass-btn:hover {
  background: var(--glass-bg-strong);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.1);
}

/* Glass Modal/Overlay */
.glass-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 999;
}

.glass-modal {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  max-width: 500px;
  margin: 2rem auto;
  padding: 2rem;
}

/* Glass Navigation */
.glass-nav {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

/* Glass Input */
.glass-input {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: white;
  font-family: inherit;
  transition: all 0.3s ease;
}

.glass-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  background: var(--glass-bg-strong);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.glass-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

/* Browser Support Fallbacks */
@supports not (backdrop-filter: blur(10px)) {
  .glass,
  .glass-strong,
  .glass-card,
  .glass-btn,
  .glass-modal,
  .glass-nav,
  .glass-input {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .glass-card:hover,
  .glass-btn:hover {
    background: rgba(255, 255, 255, 0.95);
  }
}

/* Dark Theme Glass (for light backgrounds) */
.glass-light {
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--glass-radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Utility Classes */
.glass-rounded-sm {
  border-radius: 10px;
}

.glass-rounded-lg {
  border-radius: 25px;
}

.glass-shadow-soft {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.glass-shadow-strong {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}