/*
 * Apex Metro Nursing Home & Multi-Speciality Clinic
 * Modern Healthcare Design System & Stylesheet
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --primary-dark: #075985;
    
    --secondary: #64748b;
    --accent: #06b6d4;
    
    --success: #10b981;
    --success-light: #d1fae5;
    --success-dark: #047857;

    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #b45309;

    --danger: #ef4444;
    --danger-light: #fee2e2;
    --danger-dark: #b91c1c;

    --critical: #881337;
    --critical-bg: #ffe4e6;

    --info: #3b82f6;
    --info-light: #dbeafe;

    --dark-900: #0f172a;
    --dark-800: #1e293b;
    --dark-700: #334155;
    --dark-600: #475569;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --topbar-height: 64px;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--gray-50);
    color: var(--dark-800);
    line-height: 1.5;
    font-size: 0.925rem;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background: var(--dark-900);
    color: #fff;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
}

.sidebar-header {
    height: var(--topbar-height);
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #0284c7, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.4);
}

.brand-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.brand-subtitle {
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-section-title {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-400);
    padding: 0.75rem 0.75rem 0.35rem;
    font-weight: 700;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 0.85rem;
    color: #94a3b8;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link i {
    font-size: 1.05rem;
    width: 22px;
    text-align: center;
    color: #64748b;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
}

.nav-link:hover i {
    color: var(--accent);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(90deg, rgba(2, 132, 199, 0.85), rgba(6, 182, 212, 0.75));
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.nav-link.active i {
    color: #ffffff;
}

.nav-badge {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 0.15rem 0.45rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-badge.badge-danger {
    background: var(--danger);
    color: #fff;
}

.nav-badge.badge-warning {
    background: var(--warning);
    color: #fff;
}

.sidebar-footer {
    padding: 0.85rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: #0284c7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.user-info {
    flex: 1;
    overflow: hidden;
}

.user-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: capitalize;
}

/* Main Content Area */
.app-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Topbar */
.app-topbar {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-xs);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-900);
    letter-spacing: -0.01em;
}

.topbar-search {
    position: relative;
    width: 280px;
}

.topbar-search input {
    width: 100%;
    height: 38px;
    padding: 0 1rem 0 2.25rem;
    background: var(--gray-100);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.topbar-search input:focus {
    background: #fff;
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.topbar-search i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.85rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.quick-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.95rem;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    text-decoration: none;
}

.quick-btn-primary {
    background: linear-gradient(135deg, var(--primary), #0284c7);
    color: #fff;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
}

.quick-btn-primary:hover {
    background: linear-gradient(135deg, #0369a1, #0284c7);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
    transform: translateY(-1px);
}

.quick-btn-outline {
    background: #fff;
    border: 1px solid var(--border);
    color: var(--dark-700);
}

.quick-btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

/* Content Body */
.app-content {
    padding: 1.75rem;
    flex: 1;
}

/* Cards & Surface */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 1.15rem 1.35rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title i {
    color: var(--primary);
}

.card-body {
    padding: 1.35rem;
}

.card-footer {
    padding: 0.9rem 1.35rem;
    border-top: 1px solid var(--border-light);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* KPI Summary Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
}

.kpi-card.kpi-success::before { background: var(--success); }
.kpi-card.kpi-warning::before { background: var(--warning); }
.kpi-card.kpi-danger::before { background: var(--danger); }
.kpi-card.kpi-accent::before { background: var(--accent); }

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.kpi-value {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--dark-900);
    line-height: 1.1;
    font-family: var(--font-sans);
}

.kpi-meta {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.45rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.kpi-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.kpi-primary .kpi-icon-wrap { background: var(--primary-light); color: var(--primary); }
.kpi-success .kpi-icon-wrap { background: var(--success-light); color: var(--success); }
.kpi-warning .kpi-icon-wrap { background: var(--warning-light); color: var(--warning-dark); }
.kpi-danger .kpi-icon-wrap { background: var(--danger-light); color: var(--danger); }
.kpi-accent .kpi-icon-wrap { background: #cffafe; color: #0891b2; }

/* Bed Occupancy Grid Map */
.ward-block {
    margin-bottom: 1.75rem;
}

.ward-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 0.925rem;
}

.beds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.bed-card {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.bed-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.bed-card.status-available {
    border-color: #a7f3d0;
    background: #f0fdf4;
}

.bed-card.status-occupied {
    border-color: #bae6fd;
    background: #f0f9ff;
}

.bed-card.status-cleaning {
    border-color: #fde68a;
    background: #fffbeb;
}

.bed-card.status-maintenance {
    border-color: #fed7aa;
    background: #fff7ed;
}

.bed-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.bed-number {
    font-weight: 800;
    font-size: 1rem;
    color: var(--dark-900);
    font-family: var(--font-mono);
}

.bed-patient-name {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--dark-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bed-details {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.bed-rate {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-top: 0.4rem;
}

/* Badges & Status */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.65rem;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-success { background: var(--success-light); color: var(--success-dark); }
.badge-primary { background: var(--primary-light); color: var(--primary-dark); }
.badge-warning { background: var(--warning-light); color: var(--warning-dark); }
.badge-danger { background: var(--danger-light); color: var(--danger-dark); }
.badge-critical { background: var(--critical-bg); color: var(--critical); font-weight: 800; }
.badge-secondary { background: var(--gray-200); color: var(--gray-600); }

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    text-align: left;
}

.table th {
    background: var(--gray-50);
    padding: 0.85rem 1rem;
    font-weight: 700;
    color: var(--dark-700);
    border-bottom: 1px solid var(--border);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--dark-800);
    vertical-align: middle;
}

.table tr:hover td {
    background: var(--surface-hover);
}

/* Forms */
.form-group {
    margin-bottom: 1.15rem;
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--dark-700);
    margin-bottom: 0.4rem;
}

.form-label.required::after {
    content: " *";
    color: var(--danger);
}

.form-control {
    width: 100%;
    height: 40px;
    padding: 0.5rem 0.85rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--dark-900);
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

textarea.form-control {
    height: auto;
    min-height: 80px;
    padding: 0.65rem 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 1.15rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: var(--success-dark); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-dark); }

.btn-secondary { background: var(--gray-200); color: var(--dark-700); }
.btn-secondary:hover { background: var(--gray-300); }

.btn-outline-primary {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary-light);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

/* POS Pharmacy Terminal Styling */
.pos-container {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.5rem;
}

.pos-cart-panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 160px);
    position: sticky;
    top: calc(var(--topbar-height) + 1.75rem);
    box-shadow: var(--shadow-md);
}

.pos-cart-items {
    flex: 1;
    overflow-y: auto;
    margin: 1rem 0;
    padding-right: 0.35rem;
}

.pos-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    margin-bottom: 0.6rem;
    border: 1px solid var(--border-light);
}

.pos-summary-box {
    border-top: 2px dashed var(--border);
    padding-top: 1rem;
}

.pos-summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    color: var(--gray-600);
}

.pos-grand-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark-900);
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

/* Modal Dialog */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-dialog {
    background: #ffffff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.25s ease;
}

.modal-dialog.modal-lg { max-width: 880px; }
.modal-dialog.modal-xl { max-width: 1100px; }

.modal-overlay.active .modal-dialog {
    transform: scale(1);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-400);
    cursor: pointer;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--dark-900);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 450px;
    border-left: 4px solid var(--primary);
    animation: toastSlideIn 0.3s ease;
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-danger { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }

@keyframes toastSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Tab Navigation */
.nav-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.25rem;
    overflow-x: auto;
}

.nav-tab-item {
    padding: 0.65rem 1.15rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    text-decoration: none;
}

.nav-tab-item:hover {
    color: var(--primary);
}

.nav-tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Balance Sheet & Accounting Tree */
.balance-sheet-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.account-head-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0.85rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-light);
}

.account-head-row.head-total {
    font-weight: 800;
    background: var(--gray-100);
    border-top: 2px solid var(--border);
    border-bottom: 2px solid var(--border);
    font-size: 0.95rem;
}

.balance-status-banner {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.balance-status-banner.balanced {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.balance-status-banner.unbalanced {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Responsive */
@media (max-width: 1024px) {
    .balance-sheet-grid { grid-template-columns: 1fr; }
    .pos-container { grid-template-columns: 1fr; }
    .pos-cart-panel { height: auto; position: static; }
}

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