body {
    background: linear-gradient(135deg, #00cc88, #000218);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow: hidden;
}
.login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
    animation: slideIn 0.6s ease-out;
}
@keyframes slideIn {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}
.form-control {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    transition: all 0.3s ease;
}
.form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}
.form-control:focus {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 0 0.25rem rgba(0, 204, 136, 0.5);
    color: white;
}
.btn-primary {
    background: linear-gradient(90deg, #00cc88, #00cc88);
    border: none;
    padding: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.btn-primary:hover {
    background: linear-gradient(90deg, #00cc88, #00cc88);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 204, 136, 0.4);
}
.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}
.btn-primary:active::after {
    width: 200px;
    height: 200px;
}
.invalid-feedback {
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
.form-label {
    color: white;
    font-weight: 400;
}
.text-success {
; color: #00cc88 !important; }
.text-success:hover {
    color: #00aacc !important;
}