:root{
    --app-primary:#4fb3ff;
    --app-primary-dark:#1e88e5;
    --app-accent:#ffb74d;
}

body{
    font-family:"Segoe UI",Tahoma,sans-serif;
    color:#263238;
}

.app-navbar{
    background:linear-gradient(135deg,var(--app-primary-dark),var(--app-primary));
}

.hero-section{
    background:linear-gradient(135deg,#ecf9ff 0%,#fffaf2 100%);
    padding:80px 0;
}

.hero-card,
.soft-card{
    border:0;
    border-radius:1.25rem;
    box-shadow:0 10px 30px rgba(0,0,0,.07);
}

.icon-bubble{
    width:56px;
    height:56px;
    border-radius:16px;
    display:grid;
    place-items:center;
    background:#eaf6ff;
    color:#1e88e5;
    font-weight:700;
}

.feature-card,
.pricing-card,
.testimonial-card,
.dashboard-card{
    border:0;
    border-radius:1rem;
    box-shadow:0 6px 18px rgba(0,0,0,.06);
    height:100%;
}

.section-title{
    font-weight:700;
    color:#0d3b66;
}

.pos-grid{
    display:grid;
    grid-template-columns:minmax(0, 2.35fr) minmax(300px, .65fr);
    gap:.8rem;
}

@media (max-width:991.98px){
    .pos-grid{
        grid-template-columns:1fr;
    }
}

.receipt-paper{
    max-width:780px;
    margin:0 auto;
    background:white;
    box-shadow:0 8px 24px rgba(0,0,0,.08);
}

.stat-number{
    font-size:1.8rem;
    font-weight:700;
}

.product-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(175px,1fr));
    gap:16px;
}

.product-card{
    border:1px solid #e5e7eb;
    border-radius:12px;
    padding:16px;
    background:#fff;
    height:100%;
}

/* Sidebar */
#sidebar{
    width:100%;
    transition:width .3s ease, transform .3s ease;
    overflow:hidden;
}

#sidebar.collapsed{
    width:64px;
}

.app-sidebar-shell{
    border-radius:1rem;
    background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
}

.sidebar-toggle-btn{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:.45rem;
    border:1px solid rgba(30,136,229,.16);
    border-radius:.8rem;
    background:linear-gradient(180deg,#ffffff 0%,#eef7ff 100%);
    color:#0d3b66;
    font-weight:600;
    font-size:.9rem;
    padding:.58rem .7rem;
    margin-bottom:.55rem;
    box-shadow:0 10px 24px rgba(30,136,229,.08);
    transition:all .25s ease;
}

.sidebar-toggle-btn.compact{
    width:44px;
    min-width:44px;
    margin-left:auto;
    margin-right:auto;
    padding:.58rem .4rem;
    gap:0;
}

.sidebar-toggle-btn.compact .sidebar-toggle-text{
    display:none;
}

.sidebar-toggle-btn.compact .sidebar-toggle-icon{
    font-size:1.1rem;
}

.sidebar-toggle-btn:hover{
    border-color:rgba(30,136,229,.28);
    transform:translateY(-1px);
    box-shadow:0 14px 28px rgba(30,136,229,.12);
}

.sidebar-toggle-icon{
    font-size:.95rem;
}

.sidebar-header{
    display:flex;
    align-items:center;
    gap:.6rem;
    padding:.15rem 0 .75rem;
}

.sidebar-brand-icon{
    width:30px;
    height:30px;
    border-radius:999px;
    display:grid;
    place-items:center;
    color:#fff;
    background:linear-gradient(135deg,#1e88e5 0%,#4fb3ff 100%);
    box-shadow:0 8px 18px rgba(30,136,229,.18);
    flex-shrink:0;
    overflow:hidden;
}

.sidebar-brand-icon i{
    font-size:1rem;
}

.sidebar-brand-logo{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.sidebar-brand-title{
    font-size:.88rem;
    font-weight:700;
    color:#12324a;
    line-height:1.3;
}

.sidebar-brand-subtitle{
    font-size:.7rem;
    color:#607d8b;
}

.sidebar-brand-row{
    display:flex;
    align-items:center;
    gap:.35rem;
    flex-wrap:wrap;
}

.sidebar-brand-mini{
    width:32px;
    height:32px;
    border-radius:10px;
    display:grid;
    place-items:center;
    flex-shrink:0;
    overflow:hidden;
    background:linear-gradient(135deg,#1e88e5 0%,#4fb3ff 100%);
    box-shadow:0 6px 14px rgba(30,136,229,.14);
}

.sidebar-brand-mini i{
    font-size:.9rem;
    color:#fff;
}

.sidebar-brand-mini-logo{
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.sidebar-status-card{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:.75rem;
    background:#f6fbff;
    border:1px solid rgba(79,179,255,.18);
    border-radius:1rem;
    padding:.8rem .9rem;
    margin-bottom:1rem;
}

.sidebar-status-label,
.sidebar-section-label{
    font-size:.68rem;
    font-weight:700;
    letter-spacing:.04em;
    text-transform:uppercase;
    color:#7a8f9f;
}

.sidebar-section-label{
    margin:.65rem 0 .35rem;
    padding:0 .2rem;
}

.app-sidebar .nav-link{
    display:flex;
    align-items:center;
    gap:.55rem;
    color:#355062;
    border-radius:.75rem;
    margin-bottom:.22rem;
    white-space:nowrap;
    overflow:hidden;
    padding:.58rem .62rem;
    border:1px solid transparent;
    transition:all .22s ease;
}

.app-sidebar .nav-link-toggle{
    width:100%;
    border:1px solid transparent;
    background:transparent;
    text-align:left;
}

.app-sidebar .nav-link:hover{
    background:#eef7ff;
    color:#0f4c81;
    border-color:rgba(79,179,255,.14);
}

.app-sidebar .nav-link.active{
    background:linear-gradient(135deg,#0d6efd 0%,#4094ff 100%);
    color:#fff;
    border-color:transparent;
    box-shadow:0 12px 24px rgba(13,110,253,.2);
}

.app-sidebar .nav-link.active i,
.app-sidebar .nav-link.active .submenu-caret{
    color:#fff;
}

.app-sidebar .nav-link i{
    width:28px;
    min-width:28px;
    height:28px;
    font-size:.88rem;
    border-radius:.65rem;
    text-align:center;
    flex-shrink:0;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:#1e88e5;
    background:#edf6ff;
}

.app-sidebar .nav-link.active i{
    background:rgba(255,255,255,.16);
}

.app-sidebar .submenu-caret{
    margin-left:auto;
    width:auto;
    min-width:auto;
    font-size:.8rem;
    color:#7c94a4;
    background:transparent !important;
    transition:transform .22s ease;
}

.app-sidebar .nav-link-toggle.open .submenu-caret{
    transform:rotate(180deg);
}

.sidebar-submenu{
    display:none;
    margin:.15rem 0 .55rem;
    padding:.2rem 0 .05rem .75rem;
    border-left:2px solid rgba(79,179,255,.16);
}

.sidebar-submenu.show{
    display:block;
}

.sidebar-submenu-group{
    position:relative;
}

.app-sidebar .submenu-link{
    padding:.5rem .55rem;
    font-size:.86rem;
}

.app-sidebar .submenu-link i{
    width:24px;
    min-width:24px;
    height:24px;
    font-size:.8rem;
}

#sidebar.collapsed .sidebar-header,
#sidebar.collapsed .sidebar-status-card{
    padding-left:0;
    padding-right:0;
}

#sidebar.collapsed .nav-link{
    justify-content:center;
    gap:0;
    padding-left:.38rem;
    padding-right:.38rem;
}

#sidebar.collapsed .menu-text,
#sidebar.collapsed .menu-title,
#sidebar.collapsed .sidebar-brand-text,
#sidebar.collapsed .sidebar-status-label,
#sidebar.collapsed .sidebar-section-label,
#sidebar.collapsed .sidebar-toggle-text,
#sidebar.collapsed .submenu-caret{
    display:none;
}

#sidebar.collapsed .sidebar-brand-icon{
    margin:0 auto;
}

#sidebar.collapsed .sidebar-header{
    justify-content:center;
    padding-bottom:.5rem;
}

#sidebar.collapsed .sidebar-business-logo{
    width:36px !important;
    height:36px !important;
    margin:0 auto;
    border-radius:.5rem !important;
    font-size:.65rem;
}

#sidebar.collapsed .sidebar-status-card{
    justify-content:center;
}

#sidebar.collapsed .sidebar-status-card .badge{
    margin:0 auto;
}

#sidebar.collapsed .sidebar-submenu{
    position: absolute;
    left: 100%;
    top: 0;
    width: 250px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    display: none;
}

#sidebar.collapsed .nav-link-toggle:hover + .sidebar-submenu {
    display: block;
}

#sidebar.collapsed .nav-link-toggle.open + .sidebar-submenu {
    display: block;
}

#sidebar.collapsed .sidebar-submenu:hover {
    display: block;
}

#sidebar.collapsed .sidebar-submenu .menu-text {
    display: block;
}

#sidebar.collapsed .nav-link-toggle {
    position: relative;
}

/* POS layout transition */
#sidebarColumn,
#mainContent{
    transition:width .3s ease;
}

/* ===== Stat Cards (Dashboard) ===== */
.stat-card {
    border: 0;
    border-radius: 1.1rem;
    padding: 1.15rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,.06);
    background: #fff;
    height: 100%;
    transition: transform .22s ease, box-shadow .22s ease;
}
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,.10);
}
.stat-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-size: 1.4rem;
}
.stat-card-label {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #6b7280;
    margin-bottom: .2rem;
}
.stat-card-value {
    font-size: 1.55rem;
    font-weight: 700;
    line-height: 1.2;
    color: #111827;
}
.stat-card-sub {
    font-size: .72rem;
    color: #9ca3af;
    margin-top: .2rem;
}
.stat-card-success .stat-card-icon { background: #d1fae5; color: #059669; }
.stat-card-primary .stat-card-icon { background: #dbeafe; color: #2563eb; }
.stat-card-warning .stat-card-icon { background: #fef3c7; color: #d97706; }
.stat-card-info .stat-card-icon    { background: #e0f2fe; color: #0284c7; }
.stat-card-danger .stat-card-icon  { background: #fee2e2; color: #dc2626; }
.stat-card-purple .stat-card-icon  { background: #ede9fe; color: #7c3aed; }

/* ===== Page Header ===== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.5rem;
}
.page-header-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}
.page-header-subtitle {
    font-size: .82rem;
    color: #6b7280;
    margin-top: .15rem;
}

/* ===== Login icon branding ===== */
.login-brand-icon {
    width: 70px;
    height: 70px;
    border-radius: 22px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #1e88e5, #4fb3ff);
    box-shadow: 0 14px 30px rgba(30,136,229,.28);
    font-size: 1.9rem;
    color: #fff;
    margin: 0 auto 1.1rem;
}

/* ===== Form focus improvements ===== */
.form-control:focus,
.form-select:focus {
    border-color: #93c5fd;
    box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

/* ===== Table header improvements ===== */
.table thead th {
    font-size: .76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #6b7280;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    padding: .7rem 1rem;
    white-space: nowrap;
}
.table tbody td {
    padding: .75rem 1rem;
    vertical-align: middle;
}
.table-hover tbody tr:hover {
    background: #f0f9ff;
}

/* ===== Dashboard Greeting ===== */
.dashboard-greeting {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 60%, #60a5fa 100%);
    border-radius: 1.1rem;
    box-shadow: 0 8px 28px rgba(29,78,216,.2);
}
.dashboard-greeting-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}
.dashboard-greeting-sub {
    font-size: .82rem;
    color: rgba(255,255,255,.8);
    margin-top: .2rem;
}

/* ===== Stat Card Accent Borders ===== */
.stat-card-success { border-left: 4px solid #059669 !important; }
.stat-card-primary { border-left: 4px solid #2563eb !important; }
.stat-card-warning { border-left: 4px solid #d97706 !important; }
.stat-card-purple  { border-left: 4px solid #7c3aed !important; }
.stat-card-danger  { border-left: 4px solid #dc2626 !important; }

/* ===== Quick Actions ===== */
.quick-actions-label {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #6b7280;
}
.quick-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
    padding: .85rem 1rem;
    min-width: 82px;
    border-radius: .9rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    text-decoration: none;
    color: #374151;
    font-size: .78rem;
    font-weight: 600;
    transition: all .22s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.quick-action-card:hover {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(37,99,235,.1);
}
.qa-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    display: grid;
    place-items: center;
    font-size: 1.15rem;
}

/* ===== Info Field (Business Card) ===== */
.info-field {
    display: flex;
    align-items: center;
    gap: .75rem;
}
.info-field-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.info-field-label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #9ca3af;
    margin-bottom: .18rem;
}
.info-field-value {
    font-size: .92rem;
    font-weight: 600;
    color: #111827;
}

/* ===== Chart card ===== */
.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.1rem;
}
.chart-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

/* ===== Sidebar backdrop (mobile overlay) ===== */
#sidebarBackdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 1049;
    display: none;
    cursor: pointer;
}
#sidebarBackdrop.show {
    display: block;
}

/* ===== Mobile layout ===== */
@media (max-width: 1000px) {
    /* toggle button เป็นแค่ไอคอนสี่เหลี่ยม */
    .sidebar-toggle-btn {
        width: 44px !important;
        min-width: 44px;
        padding: .55rem .4rem;
        margin-bottom: 0;
        justify-content: center;
    }

    .sidebar-toggle-text {
        display: none !important;
    }

    /* row ไม่ wrap — sidebarColumn และ mainContent อยู่แถวเดียวกันเสมอ */
    #posLayout {
        flex-wrap: nowrap !important;
    }

    /* sidebarColumn แค่กว้างเท่าปุ่ม toggle */
    #sidebarColumn {
        width: auto !important;
        max-width: none !important;
        flex: 0 0 auto !important;
        padding-right: .25rem !important;
        padding-left: 0 !important;
    }

    /* sidebar เป็น fixed overlay ที่ slide เข้า/ออก */
    #sidebar {
        position: fixed !important;
        top: 0;
        left: 0;
        width: 270px !important;
        height: 100vh;
        z-index: 1050;
        overflow-y: auto;
        border-radius: 0 1.25rem 1.25rem 0 !important;
        transition: transform .3s ease !important;
        padding-top: 60px;
    }

    #sidebar.mobile-hidden {
        display: block !important;
        transform: translateX(-110%);
    }

    #sidebar.mobile-show {
        display: block !important;
        transform: translateX(0);
        margin-bottom: 0;
    }

    /* mainContent เต็มพื้นที่ที่เหลือ */
    #mainContent {
        flex: 1 1 0 !important;
        min-width: 0 !important;
        max-width: 100% !important;
        padding-left: .25rem !important;
    }
}