/* Custom Styles for Alpha Radiance Guide */

/* Grid pattern background */
.bg-grid-pattern {
    background-image:
        linear-gradient(to right, rgba(0, 0, 0, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom checkbox styling */
input[type="checkbox"] {
    cursor: pointer;
    accent-color: hsl(222.2 47.4% 11.2%);
}

input[type="checkbox"]:focus {
    outline: 2px solid hsl(222.2 84% 4.9%);
    outline-offset: 2px;
}

/* Form input focus states */
input:focus,
textarea:focus {
    border-color: hsl(222.2 84% 4.9%);
}

/* Button hover effects */
button:hover:not(:disabled) {
    transform: translateY(-1px);
}

button:active:not(:disabled) {
    transform: translateY(0);
}

/* Link hover effects */
a {
    transition: color 0.2s ease;
}

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* Error shake animation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.shake {
    animation: shake 0.3s ease;
}

/* Loading spinner */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

/* Responsive utilities */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none;
    }
}