/* Enhanced Login Page Styles */

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  position: relative;
}

/* Loading Screen */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

/* Background Animation */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

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

.shape {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  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: 2s;
}

.shape-3 {
  width: 60px;
  height: 60px;
  top: 80%;
  left: 20%;
  animation-delay: 4s;
}

.shape-4 {
  width: 100px;
  height: 100px;
  top: 10%;
  right: 30%;
  animation-delay: 1s;
}

.shape-5 {
  width: 40px;
  height: 40px;
  top: 40%;
  left: 60%;
  animation-delay: 3s;
}

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

/* Main Container */
.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
  gap: 40px;
  align-items: center;
}

/* Login Card */
.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideInLeft 1s ease-out;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
  transition: left 0.5s ease;
}

.login-card:hover::before {
  left: 100%;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Card Header */
.card-header {
  text-align: center;
  margin-bottom: 30px;
}

.logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2em;
  color: white;
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.title {
  font-size: 2.5em;
  font-weight: 700;
  color: #333;
  margin-bottom: 10px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: #666;
  font-size: 1.1em;
  font-weight: 400;
}

/* Form Styles */
.login-form {
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 25px;
}

.input-wrapper {
  position: relative;
  margin-bottom: 5px;
}

.input-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #667eea;
  font-size: 1.2em;
  z-index: 2;
  transition: all 0.3s ease;
}

.form-input {
  width: 100%;
  padding: 15px 15px 15px 50px;
  border: 2px solid rgba(102, 126, 234, 0.2);
  border-radius: 15px;
  font-size: 1em;
  background: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  outline: none;
}

.form-input:focus {
  border-color: #667eea;
  background: white;
  transform: scale(1.02);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.form-input:focus + .input-icon {
  color: #764ba2;
  transform: translateY(-50%) scale(1.1);
}

.input-label {
  position: absolute;
  left: 50px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  font-size: 1em;
  transition: all 0.3s ease;
  pointer-events: none;
  background: white;
  padding: 0 5px;
}

.form-input:focus + .input-label,
.form-input:not(:placeholder-shown) + .input-label {
  top: 0;
  font-size: 0.8em;
  color: #667eea;
  font-weight: 600;
}

.input-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  transition: width 0.3s ease;
}

.form-input:focus ~ .input-line {
  width: 100%;
}

.password-toggle {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #999;
  cursor: pointer;
  font-size: 1.1em;
  transition: color 0.3s ease;
  z-index: 2;
}

.password-toggle:hover {
  color: #667eea;
}

.error-message {
  color: #e74c3c;
  font-size: 0.8em;
  margin-top: 5px;
  min-height: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.error-message.show {
  opacity: 1;
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(102, 126, 234, 0.3);
  border-radius: 5px;
  margin-right: 10px;
  position: relative;
  transition: all 0.3s ease;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark {
  background: linear-gradient(45deg, #667eea, #764ba2);
  border-color: #667eea;
}

.checkmark::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 0.8em;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark::after {
  opacity: 1;
}

.checkbox-label {
  color: #666;
  font-size: 0.9em;
}

.forgot-link {
  color: #667eea;
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
  transition: color 0.3s ease;
}

.forgot-link:hover {
  color: #764ba2;
  text-decoration: underline;
}

/* Submit Button */
.submit-btn {
  width: 100%;
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  padding: 15px;
  border-radius: 15px;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.submit-btn:hover::before {
  left: 100%;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.submit-btn.loading {
  pointer-events: none;
}

.btn-text {
  transition: opacity 0.3s ease;
}

.btn-loader {
  display: none;
  align-items: center;
  justify-content: center;
}

.submit-btn.loading .btn-text {
  opacity: 0;
}

.submit-btn.loading .btn-loader {
  display: flex;
}

/* Divider */
.divider {
  text-align: center;
  margin: 30px 0;
  position: relative;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(102, 126, 234, 0.2);
}

.divider span {
  background: white;
  padding: 0 20px;
  color: #666;
  font-size: 0.9em;
  font-weight: 500;
}

/* Social Login */
.social-login {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.social-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 15px;
  border: 2px solid rgba(102, 126, 234, 0.2);
  border-radius: 15px;
  background: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9em;
  font-weight: 500;
}

.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.social-btn.google {
  color: #db4437;
  border-color: rgba(219, 68, 55, 0.2);
}

.social-btn.google:hover {
  background: #db4437;
  color: white;
  border-color: #db4437;
}

.social-btn.facebook {
  color: #4267B2;
  border-color: rgba(66, 103, 178, 0.2);
}

.social-btn.facebook:hover {
  background: #4267B2;
  color: white;
  border-color: #4267B2;
}

.social-btn.github {
  color: #333;
  border-color: rgba(51, 51, 51, 0.2);
}

.social-btn.github:hover {
  background: #333;
  color: white;
  border-color: #333;
}

.social-btn i {
  font-size: 1.5em;
}

/* Signup Link */
.signup-link {
  text-align: center;
}

.signup-link p {
  color: #666;
  font-size: 0.9em;
}

.signup-link a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.signup-link a:hover {
  color: #764ba2;
  text-decoration: underline;
}

/* Welcome Panel */
.welcome-panel {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 25px;
  padding: 40px;
  text-align: center;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideInRight 1s ease-out;
}

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

.welcome-icon {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 30px;
  font-size: 3em;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.welcome-panel h2 {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.welcome-panel p {
  font-size: 1.1em;
  line-height: 1.6;
  margin-bottom: 40px;
  opacity: 0.9;
}

.features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(10px);
}

.feature-item i {
  font-size: 1.5em;
  color: #ffd700;
}

.feature-item span {
  font-weight: 500;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: white;
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  animation: slideInUp 0.3s ease;
}

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

.success-animation,
.error-animation {
  margin-bottom: 20px;
}

.success-animation i {
  font-size: 4em;
  color: #27ae60;
  animation: bounce 0.6s ease;
}

.error-animation i {
  font-size: 4em;
  color: #e74c3c;
  animation: shake 0.6s ease;
}

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

.modal-content h3 {
  font-size: 1.8em;
  font-weight: 700;
  margin-bottom: 15px;
  color: #333;
}

.modal-content p {
  font-size: 1.1em;
  color: #666;
  margin-bottom: 30px;
  line-height: 1.6;
}

.modal-btn {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 15px;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 auto;
}

.modal-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* Notification */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 15px;
  padding: 15px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  z-index: 2000;
  transform: translateX(400px);
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 300px;
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  border-left: 4px solid #27ae60;
}

.notification.error {
  border-left: 4px solid #e74c3c;
}

.notification.info {
  border-left: 4px solid #3498db;
}

.notification-icon {
  font-size: 1.2em;
}

.notification.success .notification-icon {
  color: #27ae60;
}

.notification.error .notification-icon {
  color: #e74c3c;
}

.notification.info .notification-icon {
  color: #3498db;
}

.notification-message {
  color: #333;
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .welcome-panel {
    order: -1;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .login-card {
    padding: 30px 20px;
  }
  
  .welcome-panel {
    padding: 30px 20px;
  }
  
  .title {
    font-size: 2em;
  }
  
  .welcome-panel h2 {
    font-size: 2em;
  }
  
  .social-login {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .form-options {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 25px 15px;
  }
  
  .welcome-panel {
    padding: 25px 15px;
  }
  
  .title {
    font-size: 1.8em;
  }
  
  .welcome-panel h2 {
    font-size: 1.8em;
  }
  
  .logo {
    width: 60px;
    height: 60px;
    font-size: 1.5em;
  }
  
  .welcome-icon {
    width: 80px;
    height: 80px;
    font-size: 2.5em;
  }
  
  .modal-content {
    padding: 30px 20px;
  }
}