/* Login Page Styles */
.login-body {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 120px;
  height: 120px;
  top: 60%;
  right: 10%;
  animation-delay: 1s;
}

.shape-3 {
  width: 60px;
  height: 60px;
  top: 40%;
  left: 20%;
  animation-delay: 2s;
}

.shape-4 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 15%;
  animation-delay: 3s;
}

.shape-5 {
  width: 70px;
  height: 70px;
  top: 10%;
  right: 20%;
  animation-delay: 4s;
}

.shape-6 {
  width: 90px;
  height: 90px;
  bottom: 30%;
  right: 15%;
  animation-delay: 5s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
    opacity: 1;
  }
}

.gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(102, 126, 234, 0.8) 0%, 
    rgba(118, 75, 162, 0.8) 50%,
    rgba(255, 107, 107, 0.6) 100%);
}

/* Sound Toggle */
.sound-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.sound-toggle button {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.sound-toggle button:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

/* Login Card */
.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Login Section */
.login-section {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  position: relative;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.logo-icon {
  font-size: 2.5rem;
  color: #667eea;
  margin-right: 0.5rem;
  animation: pulse 2s infinite;
}

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

.logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.welcome-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 0.5rem;
}

/* Form Styles */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-label {
  font-weight: 600;
  color: #555;
  margin-bottom: 0.5rem;
  display: block;
}

/* Override for register section labels */
.register-section .form-label {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.form-input {
  border: 2px solid #e9ecef;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.8);
}

.form-input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  outline: none;
  transform: translateY(-2px);
}

.input-focus-border {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  transition: width 0.3s ease;
}

.form-input:focus + .input-focus-border {
  width: 100%;
}

/* Button Styles */
.login-btn, .register-btn {
  border-radius: 12px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  border: none;
}

.login-btn {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.register-btn {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  color: #333;
}

.register-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.btn-icon {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.login-btn:hover .btn-icon,
.register-btn:hover .btn-icon {
  transform: translateX(5px);
}

/* Register Section */
.register-section {
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: white;
  position: relative;
}

.register-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.register-header {
  text-align: center;
  margin-bottom: 2rem;
}

.features-list {
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.5rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(5px);
}

.feature-item i {
  font-size: 1.2rem;
  margin-right: 0.75rem;
  color: #667eea;
}

/* Animations */
.animate-shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .login-card {
    margin: 1rem;
    border-radius: 15px;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .welcome-text {
    font-size: 1.3rem;
  }
  
  .shape {
    display: none;
  }
}

/* Loading Animation */
.loading {
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Hover Effects */
.form-group:hover .form-input {
  border-color: #667eea;
}

.feature-item:hover i {
  transform: scale(1.2);
  transition: transform 0.3s ease;
}

/* Glass Morphism Effect */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}