/* Responsive Design - Mobile First */

/* Extra Small Devices (< 640px) */
@media (max-width: 639px) {
    body {
        font-size: 14px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    .card {
        padding: 1rem;
    }

    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }

    .btn-icon {
        width: 32px;
        height: 32px;
        padding: 0.5rem;
    }

    /* Hide elements on small screens */
    .hidden-mobile {
        display: none;
    }

    /* Stack grid on mobile */
    .grid-responsive {
        grid-template-columns: 1fr;
    }

    /* Full width modals */
    .modal {
        margin: 1rem;
    }

    /* Navigation sidebar to drawer on mobile */
    #sidebar {
        position: fixed;
        left: 0;
        top: 4rem;
        height: calc(100vh - 4rem);
        width: 100%;
        max-width: 256px;
        transition: transform 0.3s ease;
    }

    #sidebar.hidden {
        transform: translateX(-100%);
    }

    /* Adjust table for small screens */
    table {
        font-size: 0.875rem;
    }

    thead th {
        padding: 0.5rem;
    }

    tbody td {
        padding: 0.5rem;
    }

    /* Stack table rows */
    .table-responsive {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Adjust forms */
    .form-group {
        margin-bottom: 1rem;
    }

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-size: 0.875rem;
    }

    /* Responsive header */
    header {
        padding: 0.5rem 1rem;
    }

    .header-title {
        font-size: 1rem;
    }
}

/* Small Devices (640px - 768px) */
@media (min-width: 640px) and (max-width: 767px) {
    .card {
        padding: 1.5rem;
    }

    .grid-responsive {
        grid-template-columns: repeat(2, 1fr);
    }

    table {
        font-size: 0.9375rem;
    }
}

/* Medium Devices (768px - 1024px) && ipads */
@media (min-width: 768px) {
    .hidden-md-down {
        display: none;
    }

    .hidden-md-up {
        display: block;
    }

    #sidebar {
        transform: translateX(0) !important;
        position: static;
    }

    .grid-responsive {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Devices (1024px+) && desktops */
@media (min-width: 1024px) {
    .grid-responsive {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-responsive.grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    #sidebar {
        display: block !important;
    }

    .hidden-lg-down {
        display: none;
    }

    .hidden-lg-up {
        display: block;
    }

    /* Show more columns on desktop */
    .table-hidden-mobile {
        display: table-cell;
    }
}

/* Extra Large Devices (1280px+) */
@media (min-width: 1280px) {
    body {
        font-size: 16px;
    }

    .container-xl {
        max-width: 1280px;
        margin: 0 auto;
    }

    .grid-responsive.grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .grid-responsive.grid-5 {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* Portrait vs Landscape */
@media (orientation: portrait) {
    .landscape-hidden {
        display: none;
    }
}

@media (orientation: landscape) {
    .portrait-hidden {
        display: none;
    }

    .h-screen {
        max-height: 100vh;
    }
}

/* Touch devices optimization */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-item {
        padding: 1rem;
        min-height: 44px;
        min-width: 44px;
    }

    /* Remove hover effects on touch devices */
    .btn:hover {
        transform: none;
    }

    button:active {
        transform: scale(0.98);
    }
}

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

    body {
        background: white;
        color: black;
    }

    .card {
        page-break-inside: avoid;
        border: 1px solid #ccc;
    }

    .btn {
        display: none;
    }
}

/* High DPI screens (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize images and borders */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

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

/* Dark mode media query */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}

/* Light mode media query */
@media (prefers-color-scheme: light) {
    :root {
        color-scheme: light;
    }
}