/* Custom Styles for KeyGen Online */

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.bg-gradient-primary {
    background: linear-gradient(45deg, #007bff, #0056b3) !important;
}

.card {
    border: none;
    border-radius: 15px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    border: none;
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    transform: translateY(-2px);
}

.btn {
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: linear-gradient(45deg, #007bff, #0056b3);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, #004085);
}

.alert {
    border-radius: 10px;
    border: none;
}

.alert-success {
    background: linear-gradient(45deg, #d4edda, #c3e6cb);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(45deg, #f8d7da, #f5c6cb);
    color: #721c24;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-item {
    padding: 20px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.8);
    margin: 10px 0;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.font-monospace {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    letter-spacing: 1px;
}

/* Loading Animation */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Copy Button Animation */
.btn-outline-secondary:hover {
    background-color: #6c757d;
    color: white;
}

/* Form Validation Styles */
.form-control.is-valid {
    border-color: #28a745;
}

.form-control.is-invalid {
    border-color: #dc3545;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container-fluid {
        padding: 10px;
    }
    
    .card {
        margin: 10px 0;
    }
    
    .stat-item {
        margin: 5px 0;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Success Animation */
.success-pulse {
    animation: successPulse 0.6s ease-in-out;
}

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

/* Error Shake Animation */
.error-shake {
    animation: errorShake 0.5s ease-in-out;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #007bff, #0056b3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #0056b3, #004085);
}