/* Custom CSS for Roblox Username Generator */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

/* Header Styles */
header {
    background: var(--gradient-bg) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Card Styles */
.card {
    border-radius: 15px;
    overflow: hidden;
}

.card-header.bg-gradient {
    background: var(--gradient-bg) !important;
}

/* Button Styles */
.btn-primary {
    background: var(--gradient-bg);
    border: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

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

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

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Username Card Styles */
.username-card {
    background: white;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    cursor: pointer;
}

.username-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.username-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.copy-btn {
    border-radius: 20px;
    padding: 5px 15px;
    font-size: 0.8rem;
}

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

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

.pulse {
    animation: pulse 1s infinite;
}

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

/* Feature Cards */
.card.border-0 {
    transition: all 0.3s ease;
}

.card.border-0:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .username-card {
        padding: 10px;
    }
    
    .username-text {
        font-size: 1rem;
    }
}

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

/* Toast Styles */
.toast {
    border-radius: 10px;
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

/* Style Radio Buttons */
.btn-check:checked + .btn-outline-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-check:checked + .btn-outline-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-check:checked + .btn-outline-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

.btn-check:checked + .btn-outline-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
}

/* Stats Counter */
.stats {
    background: rgba(255,255,255,0.1);
    padding: 10px 15px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}