:root {
     --primary-color: #4f46e5;
     --primary-hover: #4338ca;
     --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
 }

 body {
     background: var(--bg-gradient);
     min-height: 100vh;
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
 }

 .password-reset-container {
     min-height: 100vh;
     display: flex;
     align-items: center;
     justify-content: center;
     padding: 20px 0;
 }

 .reset-card {
     background: rgba(255, 255, 255, 0.95);
     backdrop-filter: blur(10px);
     border-radius: 20px;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
     border: 1px solid rgba(255, 255, 255, 0.2);
     overflow: hidden;
     max-width: 450px;
     width: 100%;
 }

 .reset-header {
     background: var(--primary-color);
     color: white;
     padding: 2rem;
     text-align: center;
     position: relative;
 }

 .reset-header::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
     animation: shimmer 3s infinite;
 }

 @keyframes shimmer {
     0% {
         transform: translateX(-100%);
     }

     100% {
         transform: translateX(100%);
     }
 }

 .reset-icon {
     font-size: 3rem;
     margin-bottom: 1rem;
     opacity: 0.9;
 }

 .reset-body {
     padding: 2rem;
 }

 .form-floating {
     margin-bottom: 1.5rem;
 }

 .form-control {
     border-radius: 12px;
     border: 2px solid #e5e7eb;
     padding: 0.75rem 1rem;
     transition: all 0.3s ease;
 }

 .form-control:focus {
     border-color: var(--primary-color);
     box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
     transform: translateY(-2px);
 }

 .btn-reset {
     background: var(--primary-color);
     border: none;
     border-radius: 12px;
     padding: 0.75rem 2rem;
     font-weight: 600;
     text-transform: uppercase;
     letter-spacing: 0.5px;
     transition: all 0.3s ease;
     position: relative;
     overflow: hidden;
 }

 .btn-reset:hover {
     background: var(--primary-hover);
     transform: translateY(-2px);
     box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
 }

 .btn-reset:active {
     transform: translateY(0);
 }

 .btn-reset .spinner-border {
     width: 1rem;
     height: 1rem;
 }

 .back-link {
     color: var(--primary-color);
     text-decoration: none;
     font-weight: 500;
     transition: all 0.3s ease;
 }

 .back-link:hover {
     color: var(--primary-hover);
     text-decoration: underline;
 }

 .alert {
     border-radius: 12px;
     border: none;
     margin-bottom: 1.5rem;
 }

 .alert-success {
     background: linear-gradient(135deg, #10b981, #059669);
     color: white;
 }

 .alert-danger {
     background: linear-gradient(135deg, #ef4444, #dc2626);
     color: white;
 }

 .invalid-feedback {
     display: block;
     font-size: 0.875rem;
     margin-top: 0.5rem;
 }

 .form-control.is-invalid {
     border-color: #dc3545;
     animation: shake 0.5s ease-in-out;
 }

 @keyframes shake {

     0%,
     100% {
         transform: translateX(0);
     }

     25% {
         transform: translateX(-5px);
     }

     75% {
         transform: translateX(5px);
     }
 }

 /* Responsive adjustments */
 @media (max-width: 576px) {
     .reset-card {
         margin: 10px;
         border-radius: 15px;
     }

     .reset-header {
         padding: 1.5rem;
     }

     .reset-body {
         padding: 1.5rem;
     }

     .reset-icon {
         font-size: 2.5rem;
     }
 }

 /* Loading animation */
 .loading {
     pointer-events: none;
     opacity: 0.7;
 }

 .fade-in {
     animation: fadeIn 0.5s ease-in;
 }

 @keyframes fadeIn {
     from {
         opacity: 0;
         transform: translateY(20px);
     }

     to {
         opacity: 1;
         transform: translateY(0);
     }
 }