/* Responsive Design */

/* Tablet Styles */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .clock-display {
        font-size: 3rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-copyright {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    /* Header Mobile */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f9fafb;
        margin-left: 1rem;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }
    
    .dropdown-link {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Mobile Menu Toggle Animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    /* Content Mobile */
    .main-content {
        padding: 1rem 0;
    }
    
    .page-header {
        padding: 1rem 0;
        margin-bottom: 2rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    /* Clock Mobile */
    .live-clock {
        padding: 2rem 1rem;
        margin: 1rem 0;
    }
    
    .clock-display {
        font-size: 2.5rem;
    }
    
    .clock-date {
        font-size: 1.25rem;
    }
    
    .clock-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* Grid Mobile */
    .grid {
        gap: 1rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    /* Cards Mobile */
    .card-header,
    .card-content {
        padding: 1rem;
    }
    
    /* Forms Mobile */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 0.75rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Buttons Mobile */
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Tool Container Mobile */
    .tool-container {
        padding: 0 1rem;
    }
    
    .result-display {
        padding: 1.5rem;
        margin: 1rem 0;
    }
    
    .result-value {
        font-size: 1.5rem;
    }
    
    /* Footer Mobile */
    .footer-top {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-bottom-left,
    .footer-bottom-right {
        text-align: center;
    }
    
    .footer-description {
        max-width: none;
    }
    
    .footer-copyright {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
        gap: 1rem;
    }
    
    /* Utility Mobile */
    .text-center-mobile {
        text-align: center;
    }
    
    .hidden-mobile {
        display: none;
    }
    
    .visible-mobile {
        display: block;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .clock-display {
        font-size: 2rem;
    }
    
    .clock-date {
        font-size: 1rem;
    }
    
    .card-header,
    .card-content {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .result-display {
        padding: 1rem;
    }
    
    .result-value {
        font-size: 1.25rem;
    }
    
    .social-links {
        gap: 0.5rem;
    }
    
    .social-link {
        width: 35px;
        height: 35px;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .live-clock {
        padding: 1.5rem 1rem;
    }
    
    .clock-display {
        font-size: 2rem;
    }
    
    .clock-date {
        font-size: 1rem;
    }
    
    .page-header {
        padding: 0.5rem 0;
        margin-bottom: 1rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .mobile-menu-toggle,
    .btn,
    .social-links {
        display: none;
    }
    
    .main-content {
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .page-title {
        color: #000;
        background: none;
        -webkit-text-fill-color: initial;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-link i {
        font-size: 1.5rem;
    }
    
    .social-link {
        font-size: 0.875rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .pulse {
        animation: none;
    }
    
    .loading::after {
        animation: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed */
    /* This can be implemented later as an enhancement */
}

/* Focus Styles for Accessibility */
@media (prefers-reduced-motion: no-preference) {
    .nav-link:focus,
    .btn:focus,
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        outline: 2px solid #3b82f6;
        outline-offset: 2px;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .dropdown-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .social-link {
        min-width: 44px;
        min-height: 44px;
    }
}