/* style_mobile.css */
@media screen and (max-width: 768px) {
    /* Full-width container handling */
    .main-container, .ksag-main-container {
        width: 100% !important;
        margin: 0 !important;
        padding-top: 0 !important; /* Flush with top for the header */
        padding-left: 0 !important;
        padding-right: 0 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
    }

    /* Content below header should still have padding */
    .main-container > *:not(header), 
    .ksag-main-container > *:not(header):not(.ksag-bottom-nav) {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    /* Special handling for page titles and headers below the main header */
    .ksag-main-container h2, .ksag-page-header {
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
    }

    /* Seamless Sticky Header */
    /* KSAG Page Header Optimization */
    .ksag-page-header {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: var(--spacing-md) !important;
        padding-top: var(--spacing-md) !important;
        border-bottom: none !important;
        margin-bottom: var(--spacing-lg) !important;
    }

    .ksag-page-header .ksag-button-group,
    .ksag-modal-content .ksag-button-group,
    .ksag-form-group .ksag-button-group {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: var(--spacing-sm) !important;
        width: 100% !important;
    }

    .ksag-page-header .ksag-button-group .ksag-btn,
    .ksag-modal-content .ksag-button-group .ksag-btn,
    .ksag-form-group .ksag-button-group .ksag-btn {
        width: 100% !important;
        margin: 0 !important;
        padding: 10px 5px !important;
        font-size: 13px !important;
    }

    .ksag-page-header .ksag-button-group .ksag-btn:only-child,
    .ksag-modal-content .ksag-button-group .ksag-btn:only-child,
    .ksag-form-group .ksag-button-group .ksag-btn:only-child {
        grid-column: span 2 !important;
    }

    .ksag-table td .ksag-button-group {
        display: inline-flex !important;
        flex-direction: row !important;
        flex-wrap: wrap !important;
        gap: var(--spacing-xs) !important;
        justify-content: flex-end !important;
        width: auto !important;
    }

    /* Search Bar Optimization */
    .ksag-search-bar {
        max-width: 100% !important;
        margin-top: var(--spacing-xs) !important;
    }

    .ksag-search-bar form {
        position: relative !important;
        display: block !important;
    }

    .ksag-search-bar input {
        width: 100% !important;
        height: 48px !important;
        padding-right: 50px !important;
        border: 2px solid var(--color-border) !important;
        border-radius: var(--radius-md) !important;
        background-color: var(--color-surface) !important;
    }

    .ksag-search-bar button {
        position: absolute !important;
        right: 4px !important;
        top: 4px !important;
        bottom: 4px !important;
        width: 40px !important;
        height: 40px !important;
        padding: 0 !important;
        border-radius: var(--radius-sm) !important;
        text-indent: -9999px !important; /* Hide text */
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='11' cy='11' r='8'%3e%3c/circle%3e%3cline x1='21' y1='21' x2='16.65' y2='16.65'%3e%3c/line%3e%3c/svg%3e") !important;
        background-repeat: no-repeat !important;
        background-position: center !important;
        background-size: 18px !important;
    }

    .ksag-search-bar input:focus {
        border-color: var(--color-accent) !important;
        box-shadow: 0 0 0 4px rgba(255, 241, 11, 0.1) !important;
    }

    header {
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        z-index: 8000;
        background: var(--color-primary) !important;
        color: var(--color-accent) !important;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-sm) var(--spacing-md) !important;
        margin: 0 !important;
        border-radius: 0 !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        text-align: left !important;
    }

    header .logo img {
        height: 35px !important;
    }

    /* Hide redundant elements on mobile for cleaner app look */
    header .admin, header .user-info p {
        display: none !important;
    }

    header .user-info {
        flex-direction: row !important;
        gap: var(--spacing-sm) !important;
    }

    header .logout-btn {
        background: rgba(255,255,255,0.1) !important;
        color: white !important;
        padding: 6px 12px !important;
        font-size: 12px !important;
    }

    .ksag-header-profile-btn {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 6px !important;
    }

    /* Menu & Navigation */
    .main-menu ul {
        flex-direction: column !important;
        gap: var(--spacing-md) !important;
    }

    .main-menu ul li {
        max-width: 100% !important;
        flex: 1 1 100% !important;
        padding: var(--spacing-md) !important;
    }

    .icon-container {
        width: 60px !important;
        height: 60px !important;
    }

    /* Native-like Bottom Sheet Modals */
    .ksag-modal-content {
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        transform: translateY(0) !important;
        width: 100% !important;
        max-width: 100% !important;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
        max-height: 90vh !important;
        animation: ksagSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards !important;
    }

    @keyframes ksagSlideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }

    /* Improved Touch Feedback */
    .ksag-btn:active, .nav-item:active, .ksag-tile:active, .ksag-table tr:active {
        opacity: 0.7 !important;
        transform: scale(0.98) !important;
    }

    /* UI Components Polish */
    .ksag-table th, .ksag-table td {
        padding: var(--spacing-sm) !important;
        font-size: 0.9em !important;
    }

    .ksag-main-card {
        padding: var(--spacing-md) !important;
    }

    .ksag-form-group {
        margin-bottom: var(--spacing-lg) !important;
    }

    footer {
        padding: var(--spacing-lg) var(--spacing-sm) !important;
        margin-bottom: 80px; /* Space for bottom nav */
    }

    /* PWA Install Button */
    #pwa-install-btn {
        width: auto;
        font-size: 12px;
        padding: 6px 12px;
    }

    html, body {
        max-width: 100vw !important;
        overflow-x: hidden !important;
    }

    body {
        overscroll-behavior-y: contain;
        background-color: var(--color-background);
    }

    /* Mobile Fullscreen QR Scanner */
    .ksag-scanner-overlay {
        background: #000000 !important;
        align-items: stretch !important;
        justify-content: stretch !important;
    }

    .ksag-scanner-container {
        width: 100% !important;
        height: 100% !important;
        max-width: 100% !important;
        background: transparent !important;
        border: none !important;
        border-radius: 0 !important;
        padding: 0 !important;
        justify-content: space-between !important;
        box-shadow: none !important;
    }

    #ksag-qr-reader-viewport {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        max-height: 100% !important;
        border-radius: 0 !important;
        z-index: 1 !important;
    }

    #ksag-qr-camera-element video {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }

    /* Center-aligned target scanner box on mobile */
    .ksag-scanner-target-box {
        position: absolute !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 250px !important;
        height: 250px !important;
        border: 1px solid rgba(255, 255, 255, 0.25) !important;
        z-index: 5 !important;
        pointer-events: none !important;
        box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.65) !important;
        border-radius: var(--radius-md) !important;
    }

    .ksag-scanner-corner {
        position: absolute !important;
        width: 20px !important;
        height: 20px !important;
        border: 0 solid var(--color-accent) !important;
        z-index: 6 !important;
    }
    .ksag-scanner-corner--tl {
        top: -2px !important;
        left: -2px !important;
        border-top-width: 4px !important;
        border-left-width: 4px !important;
        border-top-left-radius: 4px !important;
    }
    .ksag-scanner-corner--tr {
        top: -2px !important;
        right: -2px !important;
        border-top-width: 4px !important;
        border-right-width: 4px !important;
        border-top-right-radius: 4px !important;
    }
    .ksag-scanner-corner--bl {
        bottom: -2px !important;
        left: -2px !important;
        border-bottom-width: 4px !important;
        border-left-width: 4px !important;
        border-bottom-left-radius: 4px !important;
    }
    .ksag-scanner-corner--br {
        bottom: -2px !important;
        right: -2px !important;
        border-bottom-width: 4px !important;
        border-right-width: 4px !important;
        border-bottom-right-radius: 4px !important;
    }

    .ksag-scanner-target-box .ksag-scanner-laser {
        position: absolute !important;
        left: 0 !important;
        width: 100% !important;
        height: 3px !important;
        background: var(--color-accent) !important;
        box-shadow: 0 0 8px var(--color-accent), 0 0 15px var(--color-accent) !important;
        animation: ksagLaserScan 2s linear infinite !important;
        z-index: 7 !important;
        pointer-events: none !important;
    }

    /* Absolute header & footer layers on top of camera feed */
    .ksag-scanner-header {
        position: relative !important;
        z-index: 10 !important;
        padding: 40px var(--spacing-md) var(--spacing-md) !important;
        text-align: center !important;
        width: 100% !important;
        background: linear-gradient(to bottom, rgba(0,0,0,0.85), rgba(0,0,0,0)) !important;
        box-sizing: border-box !important;
        margin: 0 !important;
    }

    .ksag-scanner-header h3 {
        color: var(--color-accent) !important;
        margin: 0 0 var(--spacing-xs) 0 !important;
        font-size: var(--font-size-lg) !important;
    }

    .ksag-scanner-info {
        color: #ddd !important;
        font-size: var(--font-size-sm) !important;
        margin: 0 !important;
        text-shadow: 0 1px 3px rgba(0,0,0,0.8) !important;
    }

    .ksag-scanner-controls {
        position: relative !important;
        z-index: 10 !important;
        padding: var(--spacing-lg) var(--spacing-md) 40px !important;
        width: 100% !important;
        background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0)) !important;
        box-sizing: border-box !important;
        display: flex !important;
        justify-content: center !important;
        margin: 0 !important;
    }

    .ksag-scanner-btn {
        width: 80% !important;
        max-width: 280px !important;
        padding: 12px 24px !important;
        border-radius: var(--radius-full) !important;
        box-shadow: 0 4px 10px rgba(0,0,0,0.4) !important;
    }
}

@media screen and (max-width: 480px) {
    .ksag-page-header h2 {
        font-size: 1.4em !important;
    }
    
    .ksag-id-entry__input {
        width: 40px !important;
        height: 50px !important;
    }

    #ksag-header-scan-btn span,
    .ksag-header-profile-btn span {
        display: none !important;
    }

    #ksag-header-scan-btn,
    .ksag-header-profile-btn {
        padding: 6px 8px !important;
    }
}