/* 
   Aara Technologies Limited - Pharmacy Management System & POS Bangladesh
   Lightweight, Super-Fast Modern CSS
   Theme Colors: Primary Orange (#F15A24), Dark Slate (#1E293B), Success Green (#10B981), Alert Red (#EF4444)
*/

:root {
    --color-primary: #F15A24;
    --color-primary-hover: #D94814;
    --color-primary-light: #FFF4F0;
    --color-slate-dark: #1E293B;
    --color-slate-nav: #0F172A;
    --color-slate-light: #334155;
    --color-bg: #F8FAFC;
    --color-card: #FFFFFF;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-success: #10B981;
    --color-success-bg: #ECFDF5;
    --color-danger: #EF4444;
    --color-danger-bg: #FEF2F2;
    --color-warning: #F59E0B;
    --color-warning-bg: #FFFBEB;
    --font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

/* Layout Header & Navigation */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.sidebar {
    width: 250px;
    background-color: var(--color-slate-dark);
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 1.25rem 1rem;
    background-color: var(--color-slate-nav);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.sidebar-header .brand-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.2;
    color: #FFFFFF;
}

.sidebar-header .brand-sub {
    font-size: 0.7rem;
    color: var(--color-primary);
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.5rem;
    overflow-y: auto;
}

.nav-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94A3B8;
    padding: 0.75rem 0.75rem 0.25rem;
    font-weight: 700;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    color: #CBD5E1;
    border-radius: var(--radius);
    font-weight: 500;
    margin-bottom: 0.25rem;
    transition: all 0.15s ease;
}

.nav-item:hover, .nav-item.active {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.nav-item.pos-btn {
    background: linear-gradient(135deg, #F15A24 0%, #EA580C 100%);
    color: #FFFFFF;
    font-weight: 700;
    margin: 0.5rem 0 1rem;
    box-shadow: 0 4px 12px rgba(241, 90, 36, 0.35);
}

.nav-item.pos-btn:hover {
    filter: brightness(1.1);
}

.main-content {
    margin-left: 250px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.top-bar {
    background-color: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 0.85rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 90;
}

.top-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-slate-dark);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--color-bg);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
}

.page-body {
    padding: 1.5rem;
    flex: 1;
}

/* Dynamic Grid Classes */
.grid-profile {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--color-card);
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.stat-card .stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-slate-dark);
    margin: 0.35rem 0;
}

.stat-card .stat-sub {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.stat-card.primary { border-top: 4px solid var(--color-primary); }
.stat-card.success { border-top: 4px solid var(--color-success); }
.stat-card.warning { border-top: 4px solid var(--color-warning); }
.stat-card.danger { border-top: 4px solid var(--color-danger); }

/* Tables & Cards */
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card-header {
    padding: 1rem 1.25rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-slate-dark);
}

.card-body {
    padding: 1.25rem;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    white-space: nowrap;
}

.data-table th {
    background-color: var(--color-bg);
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background-color: #F1F5F9;
}

.data-table td.cell-wrap,
.data-table th.cell-wrap,
.cell-wrap {
    white-space: normal !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
}

/* Badges & Buttons */
.badge {
    display: inline-block;
    padding: 0.25rem 0.55rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    line-height: 1;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #A7F3D0; }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #FECACA; }
.badge-warning { background: var(--color-warning-bg); color: #B45309; border: 1px solid #FDE68A; }
.badge-info { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: #E2E8F0;
    color: var(--color-slate-dark);
}

.btn-secondary:hover {
    background-color: #CBD5E1;
}

.btn-success {
    background-color: var(--color-success);
    color: #FFFFFF;
}

.btn-danger {
    background-color: var(--color-danger);
    color: #FFFFFF;
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
}

/* Form inputs */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
    color: var(--color-slate-dark);
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #FFFFFF;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.15s ease;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(241, 90, 36, 0.15);
}

/* POS Terminal Specific Layout */
.pos-page-body {
    padding: 0.85rem !important;
    height: calc(100vh - 65px) !important;
    max-height: calc(100vh - 65px) !important;
    overflow: hidden !important;
}

.pos-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1rem;
    height: 100%;
    max-height: calc(100vh - 85px);
    overflow: hidden;
}

.pos-search-pane {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 100%;
    min-width: 0;
    overflow: hidden;
}

.pos-cart-pane {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    min-width: 0;
    height: 100%;
    max-height: 100%;
    overflow: hidden;
}

.pos-cart-header {
    padding: 0.85rem 1rem;
    background: var(--color-slate-dark);
    color: #FFFFFF;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
    flex-shrink: 0;
}

.pos-cart-items {
    flex: 1 1 auto;
    overflow-y: auto;
    max-height: calc(100vh - 370px);
    min-height: 140px;
    padding: 0.5rem 0.75rem;
}

/* Custom Sleek Scrollbar for POS Cart & Product Grid */
.pos-cart-items::-webkit-scrollbar,
#pos-search-results::-webkit-scrollbar {
    width: 6px;
}

.pos-cart-items::-webkit-scrollbar-track,
#pos-search-results::-webkit-scrollbar-track {
    background: #F1F5F9;
    border-radius: 4px;
}

.pos-cart-items::-webkit-scrollbar-thumb,
#pos-search-results::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}

.pos-cart-items::-webkit-scrollbar-thumb:hover,
#pos-search-results::-webkit-scrollbar-thumb:hover {
    background: #F15A24;
}

.pos-cart-summary {
    padding: 0.85rem 1rem;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
    margin-top: auto;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.summary-row.grand-total {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary);
    border-top: 2px dashed var(--color-border);
    padding-top: 0.6rem;
    margin-top: 0.6rem;
}

/* Modal Popup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 0.5rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-card {
    background: #FFFFFF;
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 1rem 1.25rem;
    background: var(--color-slate-dark);
    color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1;
}

/* Mobile Responsive Controls & Media Queries (Screen <= 768px) */
.mobile-menu-toggle {
    display: none;
    background: #F1F5F9;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1.4rem;
    color: var(--color-slate-dark);
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    line-height: 1;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: inline-flex;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
        width: 270px;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    .top-bar {
        padding: 0.6rem 0.75rem;
    }

    .top-title {
        font-size: 0.95rem;
    }

    .top-actions {
        gap: 0.35rem;
    }

    .user-badge {
        padding: 0.25rem 0.45rem;
        font-size: 0.75rem;
    }

    .user-badge span small {
        display: none;
    }

    .hide-mobile {
        display: none !important;
    }

    .page-body {
        padding: 0.75rem;
    }

    .card-body {
        padding: 0.85rem;
    }

    /* Force all grid columns to 1 column on mobile */
    .grid-profile,
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
    }

    .pos-container {
        grid-template-columns: 1fr;
    }
}

/* Printable Report & PDF Document Styles */
@media print {
    @page {
        size: auto;
        margin: 12mm 12mm 12mm 12mm;
    }

    body {
        background: #FFFFFF !important;
        color: #0F172A !important;
        font-family: 'Segoe UI', system-ui, -apple-system, sans-serif !important;
        font-size: 9.5pt !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .sidebar, 
    .top-bar, 
    .no-print, 
    .btn, 
    .mobile-menu-toggle,
    .sidebar-overlay,
    .card-header button,
    .card-header form,
    footer {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        box-shadow: none !important;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
        margin: 0 0 1.2rem 0 !important;
        padding: 0 !important;
        background: transparent !important;
    }

    .card-header {
        background: transparent !important;
        border-bottom: 2px solid #1E293B !important;
        padding: 0.4rem 0 !important;
        margin-bottom: 0.5rem !important;
    }

    .card-title {
        font-size: 11pt !important;
        font-weight: 700 !important;
        color: #1E293B !important;
    }

    .card-body {
        padding: 0.25rem 0 !important;
    }

    .grid-4 {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 0.6rem !important;
    }

    .grid-3 {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 0.6rem !important;
    }

    .grid-2 {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.6rem !important;
    }

    .stat-card {
        border: 1px solid #CBD5E1 !important;
        border-radius: 6px !important;
        box-shadow: none !important;
        padding: 0.6rem 0.75rem !important;
        background: #FFFFFF !important;
        break-inside: avoid !important;
    }

    .stat-card.primary { border-top: 3px solid #0284C7 !important; }
    .stat-card.success { border-top: 3px solid #10B981 !important; }
    .stat-card.warning { border-top: 3px solid #F59E0B !important; }
    .stat-card.danger  { border-top: 3px solid #EF4444 !important; }

    .stat-label {
        font-size: 8pt !important;
        color: #475569 !important;
        font-weight: 600 !important;
        text-transform: uppercase !important;
    }

    .stat-value {
        font-size: 13pt !important;
        font-weight: 800 !important;
        color: #0F172A !important;
        margin: 0.15rem 0 !important;
    }

    .stat-sub {
        font-size: 7.5pt !important;
        color: #64748B !important;
    }

    .data-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin-top: 0.4rem !important;
    }

    .data-table th, 
    .data-table td {
        border: 1px solid #CBD5E1 !important;
        padding: 6px 10px !important;
        font-size: 9pt !important;
        line-height: 1.3 !important;
    }

    .data-table th {
        background-color: #1E293B !important;
        color: #FFFFFF !important;
        font-weight: 700 !important;
        text-transform: uppercase !important;
        font-size: 8pt !important;
        letter-spacing: 0.5px !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .data-table tbody tr:nth-child(even) {
        background-color: #F8FAFC !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .data-table tfoot {
        background-color: #F1F5F9 !important;
        border-top: 2px solid #0F172A !important;
        font-weight: 700 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .badge {
        border: 1px solid #CBD5E1 !important;
        padding: 2px 6px !important;
        font-size: 7.5pt !important;
        border-radius: 4px !important;
    }

    .badge-success { background: #DCFCE7 !important; color: #15803D !important; }
    .badge-warning { background: #FEF3C7 !important; color: #B45309 !important; }
    .badge-danger  { background: #FEE2E2 !important; color: #B91C1C !important; }
    .badge-info    { background: #E0F2FE !important; color: #0369A1 !important; }

    .print-only {
        display: block !important;
    }

    .print-signature-block {
        display: flex !important;
        justify-content: space-between !important;
        margin-top: 40px !important;
        padding-top: 10px !important;
        page-break-inside: avoid !important;
    }

    .signature-line {
        border-top: 1.5px solid #334155 !important;
        width: 200px !important;
        text-align: center !important;
        font-size: 8.5pt !important;
        font-weight: 600 !important;
        color: #334155 !important;
        padding-top: 5px !important;
    }
}

.print-only {
    display: none;
}

.print-signature-block {
    display: none;
}