/* CSS Variables for consistently premium feel */
:root {
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --primary-glow: rgba(59, 130, 246, 0.5); /* Blue glow */
}

body {
  background-color: #050505;
  color: #ffffff;
  font-family: "Inter", sans-serif;
  overflow-x: hidden;
  position: relative;
}

/* Dynamic Mesh Gradient Background */
body::before {
  content: "";
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, #1a1a40 0%, #000000 50%);
  opacity: 0.6;
  z-index: -2;
  animation: rotateBackground 30s linear infinite;
}

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 80% 20%,
      rgba(59, 130, 246, 0.15) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 20% 80%,
      rgba(220, 38, 38, 0.15) 0%,
      transparent 40%
    );
  z-index: -1;
  pointer-events: none;
}

@keyframes rotateBackground {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Glassmorphism CardContainer */
.glass-card {
  background: rgba(20, 20, 20, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Typography Enhancements */
h1 {
  letter-spacing: -0.02em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Premium Inputs */
.form-input {
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid #333;
  color: white;
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  width: 100%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem; /* Prevent zoom on mobile */
}

.form-input:hover {
  border-color: #444;
  background-color: rgba(0, 0, 0, 0.5);
}

.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  background-color: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  transform: translateY(-1px);
}

.form-input::placeholder {
  color: #666;
}

/* Custom Checkbox */
input[type="checkbox"] {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 0.25rem;
  cursor: pointer;
  filter: hue-rotate(180deg); /* Adjust accent color if needed */
}

/* Buttons */
#signinSubmitBtn {
  background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
  border: none;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

#signinSubmitBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
}

#signinSubmitBtn:active {
  transform: translateY(0);
}

/* Language Switcher */
#languageSelect {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

#languageSelect:hover {
  background: rgba(0, 0, 0, 0.7);
}