/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* Base Styles */
body {
    font-family: 'Space Grotesk', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    min-height: 100vh;
    padding-bottom: 2rem;
}

/* Button States */
.amount-btn.active,
.currency-btn.active {
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    box-shadow: 0 0 15px rgba(0, 198, 255, 0.5);
    transform: translateY(-2px);
}

/* Validation States */
.valid {
    border-color: #10B981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.invalid {
    border-color: #EF4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.5);
    border-radius: 8px;
    padding: 12px 20px;
    color: white;
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .grid-cols-3 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}