/**
 * Custom styles for Goals & Habits Tracker
 */

/* Gradient backgrounds */
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Loading spinner */
.spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth transitions */
* {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

/* Hide Alpine elements until initialized */
[x-cloak] {
    display: none !important;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Focus styles */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #667eea;
    ring: 2px;
    ring-color: #667eea;
}

/* Button hover effects */
button {
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Card hover effects */
.hover\:shadow-md:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Modal animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Mobile optimizations */
@media (max-width: 640px) {
    /* Larger touch targets */
    button {
        min-height: 44px;
    }

    /* Better spacing on mobile */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    /* Stack elements vertically */
    .mobile-stack {
        flex-direction: column;
    }
}

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

    body {
        background: white;
    }

    .gradient-bg {
        background: #667eea !important;
        -webkit-print-color-adjust: exact;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .gradient-bg {
        background: #4c51bf;
    }

    button {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .spinner {
        animation: none;
        border-top-color: transparent;
    }
}

/* Dark mode preparation (not implemented yet) */
@media (prefers-color-scheme: dark) {
    /* Future dark mode styles */
}