    /* <!-- Celebration Animation Styles --> */

        /* Beautiful Background Gradient */
        body {
    
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .card-container{
            background: linear-gradient(135deg, #dcffb1 0%, #56ab2f 100%);
        }   

        /* Ensure full viewport height usage */
        .min-vh-100 {
            min-height: 100vh;
        }
        
        /* Compact design for laptop screens */
        .success-card {
            max-height: 85vh;
            overflow-y: auto;
        }
        
        /* Enhanced Confetti Animation */
        .confetti {
            position: fixed;
            width: 12px;
            height: 12px;
            top: -15px;
            animation: confetti-fall 3.5s ease-in-out infinite;
            pointer-events: none;
            z-index: 9999;
            border-radius: 3px;
            box-shadow: 0 0 6px rgba(255,255,255,0.3);
        }
        
        .confetti:nth-child(odd) {
            background: linear-gradient(45deg, #ff6b6b, #ee5a52);
            animation-delay: 0.1s;
        }
        
        .confetti:nth-child(even) {
            background: linear-gradient(45deg, #4ecdc4, #44a08d);
            animation-delay: 0.3s;
        }
        
        .confetti:nth-child(3n) {
            background: linear-gradient(45deg, #45b7d1, #96c93d);
            animation-delay: 0.5s;
        }
        
        .confetti:nth-child(4n) {
            background: linear-gradient(45deg, #96ceb4, #ffecd2);
            animation-delay: 0.7s;
        }
        
        .confetti:nth-child(5n) {
            background: linear-gradient(45deg, #ffd93d, #ff8a80);
            animation-delay: 0.9s;
        }
        
        @keyframes confetti-fall {
            0% {
                transform: translateY(-100vh) rotateZ(0deg);
                opacity: 1;
            }
            100% {
                transform: translateY(100vh) rotateZ(360deg);
                opacity: 0;
            }
        }
        
        /* Enhanced Glass Morphism Card */
        .success-card {
            background: rgb(255, 255, 255);
            border: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 25px 45px rgba(0, 0, 0, 0.1),
                        0 0 0 1px rgba(255, 255, 255, 0.2),
                        inset 0 1px 0 rgba(255, 255, 255, 0.5);
        }
        
        .error-card {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid rgba(220, 53, 69, 0.2);
            box-shadow: 0 20px 40px rgba(220, 53, 69, 0.1);
        }
        
        /* Success Card Entrance Animation - Removed */
        
        /* Enhanced Success Icon with Gradient */
        .success-icon {
            background: linear-gradient(135deg, #28a745 0%, #20c997 50%, #17a2b8 100%);
            position: relative;
            overflow: hidden;
        }
        
        .success-icon::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
            animation: shimmer 2s infinite;
        }
        
        @keyframes shimmer {
            0% { transform: translateX(-100%) rotate(45deg); }
            100% { transform: translateX(100%) rotate(45deg); }
        }
        
        /* Success Icon Pulse Animation */
        .success-icon-pulse {
            animation: iconPulse 2.5s ease-in-out infinite;
        }
        
        @keyframes iconPulse {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.8),
                           0 0 30px rgba(40, 167, 69, 0.4),
                           0 0 60px rgba(40, 167, 69, 0.2);
            }
            50% {
                transform: scale(1.15);
                box-shadow: 0 0 0 25px rgba(40, 167, 69, 0),
                           0 0 40px rgba(40, 167, 69, 0.6),
                           0 0 80px rgba(40, 167, 69, 0.3);
            }
        }
        
        /* Celebration Burst Effect */
        .celebration-burst {
            position: fixed;
            top: 50%;
            left: 50%;
            width: 100px;
            height: 100px;
            pointer-events: none;
            z-index: 9999;
        }
        
        .burst-particle {
            position: absolute;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            animation: burst 1.5s ease-out forwards;
        }
        
        @keyframes burst {
            0% {
                transform: scale(0) translate(0, 0);
                opacity: 1;
            }
            100% {
                transform: scale(1) translate(var(--x), var(--y));
                opacity: 0;
            }
        }
        
        /* Enhanced Buttons */
        .btn-success-gradient {
            background: linear-gradient(45deg, #28a745, #20c997);
            border: none;
            box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .btn-success-gradient:hover {
            background: linear-gradient(45deg, #20c997, #17a2b8);
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(40, 167, 69, 0.4);
        }
        
        .btn-outline-primary-gradient {
            background: transparent;
            border: 2px solid;
            border-image: linear-gradient(45deg, #007bff, #6f42c1) 1;
            color: #007bff;
            transition: all 0.3s ease;
        }
        
        .btn-outline-primary-gradient:hover {
            background: linear-gradient(45deg, #007bff, #6f42c1);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
        }
        
        /* Acknowledgment Box Enhancement */
        .ack-box {
            background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(248,249,250,0.9));
            border: 1px solid rgba(0,123,255,0.2);
            box-shadow: 0 10px 30px rgba(0,123,255,0.1),
                       inset 0 1px 0 rgba(255,255,255,0.8);
        }
        
        /* Floating Animation for Success Elements */
        .float-animation {
            animation: float 4s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
            }
            25% {
                transform: translateY(-8px) rotate(1deg);
            }
            75% {
                transform: translateY(-12px) rotate(-1deg);
            }
        }
        
        /* Text Gradient */
        .gradient-text {
            background: linear-gradient(45deg, #28a745, #17a2b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Error Icon Enhancement */
        .error-icon {
            background: linear-gradient(135deg, #dc3545, #e74c3c);
            box-shadow: 0 0 30px rgba(220, 53, 69, 0.4);
        }
