/**
 * E-Maha Kendra: Responsive Media Queries & Mobile Adaptation
 * Breakpoints: 320px-480px, 481px-767px, 768px-1023px, 1024px-1439px, 1440px+
 */

/* Mobile Bottom Navigation Bar (Shown on small & large mobile) */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3.75rem;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    z-index: 45;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.05);
}

.mobile-nav-items {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-around;
}

.mobile-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 0.3rem 0.6rem;
    text-decoration: none;
    min-width: 44px;
    min-height: 44px;
}

.mobile-nav-link.active, .mobile-nav-link:hover {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    background-color: var(--color-surface-alt);
    color: var(--color-text-main);
}

/* Root and Container Layout Containment */
html, body {
    max-width: 100%;
    overflow-x: clip;
}

.portal-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
    overflow: visible;
    overflow-x: clip;
    box-sizing: border-box;
}

.portal-main {
    flex: 1;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    overflow: visible;
    overflow-x: clip;
    box-sizing: border-box;
}

.portal-content {
    flex: 1;
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.card {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.table-container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    min-width: 580px;
}

/* -------------------------------------------------------------
   Tablet & Mobile: <= 1023px
   ------------------------------------------------------------- */
@media (max-width: 1023px) {
    /* Navbar Mobile Dropdown & Positioning */
    .navbar {
        position: sticky !important;
        top: 0 !important;
        z-index: 1100 !important;
        background: #ffffff !important;
        border-bottom: 1px solid var(--color-border, #e2e8f0) !important;
    }

    .navbar.open {
        z-index: 99995 !important;
        background: #ffffff !important;
        box-shadow: 0 4px 24px rgba(15, 23, 42, 0.12) !important;
    }

    .navbar-inner {
        position: relative !important;
    }

    .navbar:not(.open) .nav-links:not(.open) {
        display: none !important;
    }

    .navbar.open .nav-links,
    .navbar .nav-links.open {
        display: flex !important;
        flex-direction: column !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        background: #ffffff !important;
        border-top: 1px solid #e2e8f0 !important;
        border-bottom: 3px solid var(--color-optimism-blue, #269ccc) !important;
        box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.22) !important;
        padding: 1.15rem 1.25rem 1.5rem !important;
        gap: 0.55rem !important;
        z-index: 99999 !important;
        border-radius: 0 0 20px 20px !important;
        max-height: calc(85vh - 72px) !important;
        max-height: calc(85dvh - 72px) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        animation: navMenuSlideDown 200ms cubic-bezier(0.16, 1, 0.3, 1) !important;
    }

    @keyframes navMenuSlideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .navbar.open .nav-links .nav-link,
    .navbar .nav-links.open .nav-link {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 0.85rem 1.15rem !important;
        border-radius: 12px !important;
        font-size: 0.95rem !important;
        font-weight: 600 !important;
        color: #1e293b !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        text-decoration: none !important;
        min-height: 48px !important;
        box-sizing: border-box !important;
        transition: all 160ms cubic-bezier(0.16, 1, 0.3, 1) !important;
    }

    .navbar.open .nav-links .nav-link::after,
    .navbar .nav-links.open .nav-link::after {
        content: "›";
        font-size: 1.35rem;
        line-height: 1;
        color: #94a3b8;
        font-weight: 400;
        margin-left: auto;
        padding-left: 0.5rem;
        transition: transform 160ms ease, color 160ms ease;
    }

    .navbar.open .nav-links .nav-link.active,
    .navbar.open .nav-links .nav-link:hover,
    .navbar .nav-links.open .nav-link.active,
    .navbar .nav-links.open .nav-link:hover {
        background: #eff6ff !important;
        color: var(--color-optimism-blue, #269ccc) !important;
        border-color: #93c5fd !important;
        font-weight: 700 !important;
        transform: translateX(2px) !important;
    }

    .navbar.open .nav-links .nav-link.active::after,
    .navbar.open .nav-links .nav-link:hover::after,
    .navbar .nav-links.open .nav-link.active::after,
    .navbar .nav-links.open .nav-link:hover::after {
        color: var(--color-optimism-blue, #269ccc) !important;
        transform: translateX(2px) !important;
    }

    .navbar.open .nav-links .btn,
    .navbar .nav-links.open .btn {
        width: 100% !important;
        min-height: 46px !important;
        text-align: center !important;
        margin-top: 0.35rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 0.95rem !important;
        font-weight: 700 !important;
        border-radius: 12px !important;
        box-shadow: 0 4px 12px rgba(38, 156, 204, 0.15) !important;
    }

    /* Portal Sidebar Drawer Mobile Adaptation */
    .portal-sidebar {
        position: fixed !important;
        top: 0 !important;
        bottom: 0 !important;
        left: 0 !important;
        width: min(85vw, 320px) !important;
        max-width: 320px !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: 99999 !important;
        background-color: #ffffff !important;
        background: #ffffff !important;
        box-shadow: 6px 0 35px rgba(15, 23, 42, 0.4) !important;
        transform: translateX(-100%) !important;
        transition: transform 250ms cubic-bezier(0.2, 0, 0, 1) !important;
        display: flex !important;
        flex-direction: column !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        border-radius: 0 20px 20px 0 !important;
        border: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .portal-sidebar.open {
        transform: translateX(0) !important;
    }

    .portal-sidebar-header {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 1rem 1.25rem !important;
        height: 72px !important;
        min-height: 72px !important;
        border-bottom: 1px solid #e2e8f0 !important;
        background-color: #ffffff !important;
        background: #ffffff !important;
    }

    .portal-sidebar-close {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 40px !important;
        height: 40px !important;
        border-radius: 50% !important;
        border: 1px solid #cbd5e1 !important;
        background: #f8fafc !important;
        color: #1e293b !important;
        cursor: pointer !important;
        transition: all 150ms ease !important;
        flex-shrink: 0 !important;
    }

    .portal-sidebar-close:hover,
    .portal-sidebar-close:active {
        background: #fee2e2 !important;
        color: #dc2626 !important;
        border-color: #fca5a5 !important;
        transform: scale(1.05) !important;
    }

    .portal-sidebar .sidebar-menu {
        flex: 1 !important;
        padding: 1rem 0.85rem !important;
        overflow-y: auto !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
        background-color: #ffffff !important;
        background: #ffffff !important;
    }

    .portal-sidebar .sidebar-item {
        display: flex !important;
        align-items: center !important;
        gap: 0.85rem !important;
        padding: 0.85rem 1rem !important;
        border-radius: 12px !important;
        color: #334155 !important;
        font-size: 0.95rem !important;
        font-weight: 600 !important;
        transition: all 150ms ease !important;
        background: transparent !important;
        border: 1px solid transparent !important;
        cursor: pointer !important;
        width: 100% !important;
        text-align: left !important;
        box-sizing: border-box !important;
    }

    .portal-sidebar .sidebar-item:hover {
        background-color: #f1f5f9 !important;
        color: var(--color-optimism-blue, #269ccc) !important;
    }

    .portal-sidebar .sidebar-item.active {
        background-color: #eff6ff !important;
        color: var(--color-optimism-blue, #269ccc) !important;
        border-color: rgba(38, 156, 204, 0.4) !important;
        font-weight: 700 !important;
        box-shadow: 0 2px 8px rgba(38, 156, 204, 0.15) !important;
    }

    .portal-sidebar .sidebar-item.active svg {
        color: var(--color-optimism-blue, #269ccc) !important;
        stroke: var(--color-optimism-blue, #269ccc) !important;
    }

    .portal-sidebar-footer {
        padding: 1rem 1.25rem calc(1rem + env(safe-area-inset-bottom, 0px)) !important;
        border-top: 1px solid #e2e8f0 !important;
        background: #f8fafc !important;
    }

    /* Native Bottom Navigation Bar: Always Horizontal Flex */
    .mobile-bottom-nav,
    .md-bottom-nav {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-around !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        height: calc(60px + env(safe-area-inset-bottom, 0px)) !important;
        padding-bottom: env(safe-area-inset-bottom, 0px) !important;
        background: #ffffff !important;
        border-top: 1px solid #e2e8f0 !important;
        box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08) !important;
        z-index: 1000 !important;
    }

    body.portal-drawer-open .mobile-bottom-nav,
    body.portal-drawer-open .md-bottom-nav,
    body:has(.md-drawer-backdrop.show) .mobile-bottom-nav,
    body:has(.md-drawer-backdrop.show) .md-bottom-nav {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    .mobile-nav-link,
    .md-nav-item,
    .md-bottom-nav-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        flex: 1 1 0 !important;
        min-width: 0 !important;
        height: 100% !important;
        padding: 4px 2px !important;
        text-decoration: none !important;
        color: #64748b !important;
        background: transparent !important;
        border: none !important;
        user-select: none !important;
    }

    .md-bottom-nav-item .nav-icon-container {
        width: 48px !important;
        height: 28px !important;
        border-radius: 14px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        transition: background-color 150ms ease, transform 150ms ease !important;
    }

    .md-bottom-nav-item .nav-icon-container svg {
        width: 20px !important;
        height: 20px !important;
        color: #64748b !important;
    }

    .md-bottom-nav-item .nav-label {
        font-size: 0.68rem !important;
        font-weight: 600 !important;
        line-height: 1 !important;
        margin-top: 2px !important;
        color: #64748b !important;
        white-space: nowrap !important;
    }

    .md-bottom-nav-item.active .nav-icon-container {
        background-color: #dbeafe !important;
        transform: scale(1.05) !important;
    }

    .md-bottom-nav-item.active .nav-icon-container svg,
    .md-bottom-nav-item.active .nav-label {
        color: var(--color-optimism-blue, #269ccc) !important;
        font-weight: 700 !important;
    }

    .portal-layout {
        position: static !important;
        transform: none !important;
        will-change: auto !important;
        filter: none !important;
        contain: none !important;
        width: 100vw;
        max-width: 100vw;
        overflow: visible !important;
        overflow-x: visible !important;
        overflow-y: visible !important;
    }

    .portal-main {
        margin-left: 0;
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        overflow: visible;
        overflow-x: clip;
        overflow-y: visible;
        touch-action: pan-y;
        padding-bottom: 5.5rem;
    }

    .portal-content {
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        overflow: visible;
        overflow-x: clip;
        overflow-y: visible;
        touch-action: pan-y;
    }

    .portal-header {
        padding: 0 var(--space-4);
        width: 100%;
        max-width: 100vw;
        box-sizing: border-box;
        overflow: hidden;
        gap: 0.5rem;
    }

    .portal-header > div:first-child {
        min-width: 0;
        flex: 1 1 auto;
        overflow: hidden;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .portal-header > div:first-child span {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: inline-block;
        max-width: calc(100% - 44px);
        font-size: 0.875rem;
    }

    .portal-header > div:last-child {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    /* Hide long redundant user name on mobile headers to prevent overflow */
    #adminNameBadge, #userNameBadge, #shopkeeperNameBadge {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        flex-shrink: 0;
    }

    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* -------------------------------------------------------------
   Large Mobile: <= 767px
   ------------------------------------------------------------- */
@media (max-width: 767px) {
    body {
        padding-bottom: 5.5rem; /* Make space for mobile bottom bar */
        touch-action: pan-y;
    }
        touch-action: pan-y;
    }

    .card {
        margin-bottom: 1.15rem;
    }

    .grid > .card,
    .grid-cols-1 > .card,
    .grid-cols-2 > .card,
    .grid-cols-3 > .card,
    .grid-cols-4 > .card {
        margin-bottom: 0;
    }

    .grid-cols-4, .grid-cols-3, .grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }

    .portal-content {
        padding: var(--space-4);
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        overflow-x: hidden;
        box-sizing: border-box;
    }

    .portal-header {
        padding: 0 var(--space-4);
    }

    .card-body {
        padding: 1.25rem;
    }

    .card.p-6, .card.p-5 {
        padding: 1.25rem !important;
    }

    .card.p-4 {
        padding: 1rem !important;
    }

    .card:not(:has(.card-body)):not(:has(.table-container)):not(:has(.card-header)):not([class*="p-"]) {
        padding: 1.25rem;
    }

    .btn-lg {
        padding: 0.7rem 1.25rem;
        font-size: var(--text-sm);
    }

    /* Typography auto-fit on mobile */
    h1 {
        font-size: 1.35rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    h2 {
        font-size: 1.2rem;
        line-height: 1.35;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    h3 {
        font-size: 1.05rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    p.text-sm {
        font-size: 0.825rem;
        line-height: 1.4;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    /* Modal sizing on mobile */
    .modal {
        max-width: 100%;
        margin: 0;
        max-height: 90vh;
    }
}

/* -------------------------------------------------------------
   Small Mobile: 320px - 480px
   ------------------------------------------------------------- */
@media (max-width: 480px) {
    :root {
        --header-height: 3.75rem;
    }

    .brand-title span:first-child {
        font-size: 1rem;
    }

    .portal-header {
        padding: 0 0.75rem;
    }

    .portal-header > div:first-child span {
        font-size: 0.8rem;
        max-width: calc(100% - 38px);
    }

    .portal-content {
        padding: 0.75rem;
    }

    .card-body {
        padding: 1.15rem 1.25rem;
    }

    .card.p-6, .card.p-5 {
        padding: 1.15rem 1.25rem !important;
    }

    .card.p-4 {
        padding: 0.95rem 1rem !important;
    }

    .card:not(:has(.card-body)):not(:has(.table-container)):not(:has(.card-header)):not([class*="p-"]) {
        padding: 1.15rem 1.25rem;
    }

    .grid-cols-4, .grid-cols-3, .grid-cols-2 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-card {
        padding: 1rem 1.15rem;
    }

    .stat-value {
        font-size: 1.35rem;
    }

    .table th, .table td {
        padding: 0.6rem 0.75rem;
    }

    .receipt-box {
        padding: var(--space-3);
    }
}

/* -------------------------------------------------------------
   Desktop Portal Layout: >= 1024px
   Ensures Portal Sidebar is cleanly positioned under top navbar
   with zero overlap, and flows as a natural flex column.
   ------------------------------------------------------------- */
@media (min-width: 1024px) {
    .portal-layout {
        display: flex !important;
        min-height: calc(100vh - 100px) !important;
        width: 100% !important;
        position: relative !important;
    }

    .portal-sidebar {
        position: sticky !important;
        top: calc(var(--header-height, 64px) + 38px) !important;
        height: calc(100vh - var(--header-height, 64px) - 38px) !important;
        width: var(--sidebar-width, 260px) !important;
        min-width: var(--sidebar-width, 260px) !important;
        max-width: var(--sidebar-width, 260px) !important;
        z-index: 35 !important;
        transform: none !important;
        display: flex !important;
        box-shadow: none !important;
        border-right: 1px solid var(--color-border, #e2e8f0) !important;
    }

    .portal-sidebar-header {
        display: none !important;
    }

    .portal-main {
        flex: 1 !important;
        margin-left: 0 !important;
        min-width: 0 !important;
        width: calc(100% - var(--sidebar-width, 260px)) !important;
    }
}

/* -------------------------------------------------------------
   Large Desktop: 1440px and above
   ------------------------------------------------------------- */
@media (min-width: 1440px) {
    :root {
        --sidebar-width: 20rem;
    }

    .container {
        max-width: 88rem;
    }
}