.registration-container {
    background: linear-gradient(135deg, #2E8B57 0%, #3CB371 25%, #20B2AA 50%, #48D1CC 75%, #40E0D0 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.registration-container::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;
    pointer-events: none;
}

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

.registration-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.registration-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.2);
}

.registration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

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

.form-title {
    background: linear-gradient(135deg, #2E8B57, #3CB371);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.form-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #2E8B57, #3CB371);
    border-radius: 2px;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.form-group:hover {
    transform: translateX(5px);
}

.form-input {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(46, 139, 87, 0.2);
    border-radius: 15px;
    padding: 15px 20px 15px 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    border-color: #2E8B57;
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
    background: rgba(255, 255, 255, 1);
    transform: scale(1.02);
}

.form-input::placeholder {
    color: #6c757d;
    opacity: 0.7;
}

.form-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #2E8B57;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 2;
}

.form-group:hover .form-icon {
    color: #3CB371;
    transform: translateY(-50%) scale(1.1);
}

.form-input:focus + .form-icon {
    color: #3CB371;
    animation: iconPulse 0.6s ease;
}

@keyframes iconPulse {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(-50%) scale(1.2); }
}

.submit-btn {
    background: linear-gradient(135deg, #2E8B57, #3CB371);
    border: none;
    border-radius: 25px;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(46, 139, 87, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(46, 139, 87, 0.4);
    background: linear-gradient(135deg, #3CB371, #2E8B57);
}

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

.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;
}

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

.image-container {
    position: relative;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.image-container:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.registration-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.image-container:hover .registration-image {
    transform: scale(1.05);
}

.alert {
    border-radius: 15px;
    border: none;
    padding: 15px 20px;
    margin-bottom: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

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

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

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

.shape:nth-child(3) {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

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

@media (max-width: 768px) {
    .registration-card {
        margin: 1rem;
        border-radius: 20px;
    }
    
    .form-title {
        font-size: 2rem;
    }
    
    .submit-btn {
        width: 100%;
        padding: 15px 20px;
    }
    
    .image-container {
        margin-top: 2rem;
        order: -1;
    }
}