@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 100%;
        max-width: 320px;
    }
    
    .sidebar.show-sidebar {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    

    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-desc {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .auth-card {
        max-width: 100%;
        margin: 1rem;
    }
    
    .modern-navbar {
        padding: 1rem 1vw 0 1vw;
        flex-wrap: wrap;
    }
    
    .modern-navbar .brand {
        font-size: 1.5rem;
    }
    
    .modern-navbar .nav-btns {
        margin-top: 1rem;
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .cta-btn {
        padding: 0.9rem 2rem;
        font-size: 1rem;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .card {
        margin: 0.5rem;
        padding: 1rem;
    }
    
    .form-control {
        font-size: 16px; 
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .modal {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
}


@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .nav-link:hover {
        background: none;
    }
    
    .nav-link:active {
        background: var(--primary-soft);
    }
}


@media (max-width: 768px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 1rem;
    }
    
    .auth-wrapper {
        padding: 1rem;
    }
}


@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .sidebar-logo img,
    .sidebar-main-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}


@media (max-width: 768px) {

    [data-theme='dark'] .auth-card {
        background: var(--card-bg);
        border: 1px solid var(--border-color);
    }
}


.mobile-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

[data-theme='dark'] .mobile-loading {
    background: rgba(15, 23, 42, 0.9);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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


.pull-to-refresh {
    position: fixed;
    top: -60px;
    left: 0;
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    transition: top 0.3s ease;
    z-index: 1000;
}

.pull-to-refresh.show {
    top: 0;
}


@supports (padding: max(0px)) {
    .sidebar {
        padding-left: max(1.5rem, env(safe-area-inset-left));
        padding-right: max(1.5rem, env(safe-area-inset-right));
    }
    

    .main-content {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}