html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  z-index: -1;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.card-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  position: relative;
  overflow: hidden;
}

.card-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: shine 3s infinite;
}

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

/* Button styles */
.btn-primary {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50px;
  padding: 12px 40px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.btn-primary:active {
  transform: translateY(-1px) scale(1.02);
}

.btn-primary:disabled {
  opacity: 0.6;
  transform: none;
  cursor: not-allowed;
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-sm {
  border-radius: 25px;
  transition: all 0.3s ease;
}

.btn-sm:hover {
  transform: scale(1.1);
}

/* Badge styles */
.badge {
  padding: 8px 15px;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}

.badge:hover {
  transform: scale(1.1);
}

/* Loading spinner */
.loading-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px;
}

.spinner-custom {
  width: 60px;
  height: 60px;
  border: 5px solid rgba(102, 126, 234, 0.1);
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  position: relative;
}

.spinner-custom::after {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border: 5px solid rgba(118, 75, 162, 0.1);
  border-top-color: #764ba2;
  border-radius: 50%;
  animation: spin 1.5s linear infinite reverse;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Pulse animation */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}


/* Price animation */
.text-success {
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: priceGlow 2s ease-in-out infinite;
}

@keyframes priceGlow {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.3);
  }
}

/* Label styles */
.form-label {
  font-weight: 600;
  color: #495057;
  margin-bottom: 10px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Container adjustments */
.container {
  position: relative;
  z-index: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  body {
    background-size: 200% 200%;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
  
  .btn-lg {
    padding: 10px 30px;
    font-size: 0.9rem;
  }
  
}

/* Smooth transitions */
* {
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Icon animations */
.bi {
  display: inline-block;
  transition: transform 0.3s ease;
}

.btn:hover .bi,
.card-header:hover .bi {
  transform: rotate(10deg) scale(1.1);
}

/* Navbar enhancements */
.navbar {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}



.nav-link {
  transition: all 0.3s ease;
  border-radius: 8px;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
}

.nav-link:hover {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  color: #667eea !important;
  transform: translateY(-2px);
}

.nav-link.active,
.navbar-nav .nav-link.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white !important;
  font-weight: 600;
}