/* ════════════════════════════════════════════════════════════
   P.T Shop — Main Stylesheet
   Dark / Light mode · Responsive · Professional
════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Jost:wght@300;400;500;600&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ── Light Mode Variables ─────────────────────────────────── */
:root {
    --gold:          #c9a84c;
    --gold-light:    #e8c97a;
    --gold-pale:     #f5e6c0;
    --navy:          #1a2744;
    --navy-light:    #243159;

    --bg-body:       #f4f6fb;
    --bg-surface:    #ffffff;
    --bg-surface-2:  #f8f9fd;
    --bg-sidebar:    #1a2744;
    --bg-input:      #ffffff;
    --bg-hover:      #f0f2f8;

    --border:        #e2e6f0;
    --border-strong: #c8cfe0;

    --text-primary:  #1a2040;
    --text-secondary:#5a6278;
    --text-muted:    #9aa5be;
    --text-inverse:  #ffffff;

    --shadow-sm:     0 1px 4px rgba(26,39,68,.07);
    --shadow:        0 4px 20px rgba(26,39,68,.09);
    --shadow-lg:     0 8px 40px rgba(26,39,68,.16);
    --shadow-xl:     0 16px 60px rgba(26,39,68,.22);

    --danger:        #e05252;
    --danger-bg:     #fdeaea;
    --success:       #3dba7e;
    --success-bg:    #e0f7ee;
    --warning:       #f0a940;
    --warning-bg:    #fef4e3;
    --info:          #4a90d9;
    --info-bg:       #e3f0fb;

    --sidebar-w:     260px;
    --header-h:      64px;
    --radius:        14px;
    --radius-sm:     9px;
    --transition:    all .22s cubic-bezier(.4,0,.2,1);
    --cart-peek:     56px;
}

/* ── Dark Mode Variables ──────────────────────────────────── */
[data-theme="dark"] {
    --bg-body:       #0f1320;
    --bg-surface:    #171e30;
    --bg-surface-2:  #1e2840;
    --bg-sidebar:    #0d1525;
    --bg-input:      #1e2840;
    --bg-hover:      #232e48;
    --border:        #2a3550;
    --border-strong: #384868;
    --text-primary:  #e8edf8;
    --text-secondary:#8fa3c8;
    --text-muted:    #5a6e90;
    --shadow-sm:     0 1px 4px rgba(0,0,0,.3);
    --shadow:        0 4px 20px rgba(0,0,0,.4);
    --shadow-lg:     0 8px 40px rgba(0,0,0,.5);
    --shadow-xl:     0 16px 60px rgba(0,0,0,.6);
    --danger-bg:     rgba(224,82,82,.12);
    --success-bg:    rgba(61,186,126,.12);
    --warning-bg:    rgba(240,169,64,.12);
    --info-bg:       rgba(74,144,217,.12);
    --gold-pale:     rgba(201,168,76,.12);
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    font-family: 'Jost', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    transition: background .3s, color .3s;
}

::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }

/* ── Theme Toggle ─────────────────────────────────────────── */
.theme-toggle {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--bg-surface-2);
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 15px; transition: var(--transition); flex-shrink: 0;
}
.theme-toggle:hover {
    background: var(--gold-pale); border-color: var(--gold); color: var(--gold);
    transform: rotate(20deg);
}
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }

/* ── Login ────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f1a30 0%, #1a2744 55%, #0f1a30 100%);
    display: flex; align-items: center; justify-content: center;
    padding: 20px; position: relative; overflow: hidden;
}
.login-page::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 30% 55%, rgba(201,168,76,.2) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 20%, rgba(74,144,217,.1) 0%, transparent 50%);
    pointer-events: none;
}
.login-box {
    background: var(--bg-surface); border-radius: 20px;
    padding: 48px 44px; width: 100%; max-width: 440px;
    box-shadow: var(--shadow-xl); position: relative; z-index: 1;
    text-align: center; border: 1px solid var(--border);
}
@media (max-width: 480px) { .login-box { padding: 36px 24px; border-radius: 16px; } }
.login-logo     { width: 130px; margin-bottom: 8px; }
.login-subtitle { color: var(--text-muted); font-size: 12px; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 32px; }
.login-box h2   { font-family: 'Cinzel', serif; color: var(--text-primary); font-size: 22px; margin-bottom: 4px; }

/* ── Forms ────────────────────────────────────────────────── */
.form-group       { margin-bottom: 18px; text-align: left; }
.form-group label { display: block; font-weight: 600; font-size: 12px; color: var(--text-secondary); margin-bottom: 7px; letter-spacing: .5px; text-transform: uppercase; }
.form-control {
    width: 100%; padding: 11px 16px;
    border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    font-family: 'Jost', sans-serif; font-size: 15px;
    color: var(--text-primary); background: var(--bg-input);
    transition: var(--transition); outline: none; -webkit-appearance: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus    { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.14); }
.form-control.is-invalid { border-color: var(--danger); }
select.form-control    { cursor: pointer; }
textarea.form-control  { resize: vertical; min-height: 90px; }
.form-grid            { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .form-full { grid-column: 1/-1; }
.required             { color: var(--danger); }
@media (max-width: 500px) { .form-grid { grid-template-columns: 1fr; } }

.img-upload-wrap     { display: flex; align-items: flex-start; gap: 16px; }
.img-preview { width: 88px; height: 88px; flex-shrink: 0; border-radius: 10px; border: 2px dashed var(--border-strong); overflow: hidden; display: flex; align-items: center; justify-content: center; background: var(--bg-surface-2); }
.img-preview img     { width: 100%; height: 100%; object-fit: cover; }
.img-placeholder     { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text-muted); font-size: 12px; }
.img-placeholder i   { font-size: 22px; }
.img-upload-controls { display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.img-hint            { font-size: 11px; color: var(--text-muted); margin: 0; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 22px; border-radius: var(--radius-sm);
    font-family: 'Jost', sans-serif; font-size: 14px; font-weight: 600;
    cursor: pointer; border: none; transition: var(--transition);
    text-decoration: none; letter-spacing: .3px; white-space: nowrap; touch-action: manipulation;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-light); box-shadow: var(--shadow); }
[data-theme="dark"] .btn-primary { background: #2a3b6e; }
[data-theme="dark"] .btn-primary:hover { background: #344880; }
.btn-gold  { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--navy); }
.btn-gold:hover { opacity: .92; box-shadow: 0 4px 20px rgba(201,168,76,.4); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .88; }
.btn-success { background: var(--success); color: #fff; }
.btn-outline { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-pale); }
.btn-sm  { padding: 7px 14px; font-size: 13px; }
.btn-lg  { padding: 14px 28px; font-size: 16px; width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed !important; transform: none !important; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); background: transparent; border: none; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; touch-action: manipulation; color: var(--text-secondary); }
.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ── App Shell ────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w); background: var(--bg-sidebar);
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
    transition: transform .3s ease; overflow-y: auto; overflow-x: hidden;
}
[data-theme="dark"] .sidebar { background: #0d1525; }

.sidebar-header { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.07); flex-shrink: 0; text-align: center; }
.sidebar-logo   { width: 108px; filter: brightness(1.05); }
.sidebar-title  { font-family: 'Cinzel', serif; font-size: 16px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.sidebar-brand-sub { font-size: 9px; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,.3); margin-top: 3px; display: block; }
.sidebar-nav    { flex: 1; padding: 14px 10px; }

.nav-section-title { font-size: 9.5px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.25); padding: 14px 12px 5px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: var(--radius-sm); color: rgba(255,255,255,.55); text-decoration: none; font-size: 14px; font-weight: 500; transition: var(--transition); margin-bottom: 2px; touch-action: manipulation; }
.nav-item:hover  { background: rgba(255,255,255,.08); color: #fff; }
.nav-item.active { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--navy); font-weight: 700; }
.nav-item i      { width: 20px; text-align: center; font-size: 14px; flex-shrink: 0; }
.sidebar-footer  { padding: 12px 10px; border-top: 1px solid rgba(255,255,255,.07); flex-shrink: 0; }

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 199; -webkit-tap-highlight-color: transparent; backdrop-filter: blur(2px); }
.sidebar-overlay.show { display: block; }

.main-content { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; min-width: 0; }

.topbar {
    height: var(--header-h); background: var(--bg-surface);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px; border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
    box-shadow: var(--shadow-sm); flex-shrink: 0;
    transition: background .3s, border-color .3s;
}
.topbar-title  { font-family: 'Cinzel', serif; color: var(--text-primary); font-size: 17px; font-weight: 600; }
.topbar-left   { display: flex; align-items: center; gap: 14px; }
.topbar-right  { display: flex; align-items: center; gap: 10px; }

.user-badge {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 12px 6px 6px; border-radius: 50px;
    background: var(--bg-surface-2); border: 1.5px solid var(--border);
    cursor: pointer; transition: var(--transition);
}
.user-badge:hover { border-color: var(--gold); }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--navy), var(--gold)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.user-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.user-role { font-size: 11px; color: var(--text-muted); }

.page-content  { padding: 24px; flex: 1; }
.page-header   { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-title    { font-family: 'Cinzel', serif; font-size: 22px; color: var(--text-primary); }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ── Cards ────────────────────────────────────────────────── */
.card { background: var(--bg-surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; border: 1px solid var(--border); transition: background .3s, border-color .3s; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: var(--bg-surface-2); }
.card-title  { font-family: 'Cinzel', serif; font-size: 15px; color: var(--text-primary); font-weight: 600; }
.card-body   { padding: 20px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-surface); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); border: 1px solid var(--border); display: flex; align-items: center; gap: 16px; border-left: 4px solid var(--gold); transition: var(--transition); }
.stat-card:hover  { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat-card.blue   { border-left-color: var(--info); }
.stat-card.green  { border-left-color: var(--success); }
.stat-card.red    { border-left-color: var(--danger); }
.stat-icon { width: 50px; height: 50px; border-radius: var(--radius-sm); background: var(--gold-pale); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--gold); flex-shrink: 0; }
.stat-card.blue  .stat-icon { background: var(--info-bg);    color: var(--info); }
.stat-card.green .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-card.red   .stat-icon { background: var(--danger-bg);  color: var(--danger); }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; letter-spacing: .5px; margin-top: 2px; }

/* ── Table ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 540px; }
th { padding: 11px 14px; text-align: left; font-size: 10.5px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-muted); background: var(--bg-surface-2); border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; color: var(--text-primary); }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-hover); }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 50px; font-size: 11px; font-weight: 600; letter-spacing: .3px; white-space: nowrap; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info    { background: var(--info-bg);    color: var(--info); }
.badge-gold    { background: var(--gold-pale);  color: #8a6c1f; }
[data-theme="dark"] .badge-gold { color: var(--gold-light); }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(10,15,30,.65); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 16px; opacity: 0; pointer-events: none; transition: opacity .25s; backdrop-filter: blur(5px); }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--bg-surface); border-radius: 18px; width: 100%; max-width: 560px; box-shadow: var(--shadow-xl); border: 1px solid var(--border); transform: translateY(28px) scale(.97); transition: transform .28s cubic-bezier(.4,0,.2,1); max-height: calc(100vh - 40px); overflow-y: auto; overflow-x: hidden; }
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal-header { padding: 20px 22px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; background: var(--bg-surface); z-index: 1; }
.modal-title  { font-family: 'Cinzel', serif; color: var(--text-primary); font-size: 15px; }
.modal-close  { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-muted); transition: var(--transition); display: flex; align-items: center; padding: 4px; border-radius: 6px; }
.modal-close:hover { color: var(--danger); background: var(--danger-bg); }
.modal-body   { padding: 22px; }
#receiptModal .modal-body { padding: 16px 12px; }
.modal-footer { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 600px) {
    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal { max-width: 100%; border-radius: 22px 22px 0 0; max-height: 90vh; transform: translateY(100%); }
    .modal-overlay.open .modal { transform: translateY(0); }
}

.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; display: flex; align-items: center; gap: 10px; border-left: 4px solid; }
.alert-success { background: var(--success-bg); color: var(--success); border-left-color: var(--success); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border-left-color: var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-left-color: var(--warning); }

.search-bar { display: flex; align-items: center; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-input); overflow: hidden; transition: var(--transition); }
.search-bar:focus-within { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.1); }
.search-bar input { border: none; outline: none; padding: 10px 14px; font-size: 14px; font-family: 'Jost', sans-serif; flex: 1; background: transparent; min-width: 0; color: var(--text-primary); }
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar button { padding: 10px 16px; background: var(--navy); color: #fff; border: none; cursor: pointer; transition: var(--transition); flex-shrink: 0; }
.search-bar button:hover { background: var(--gold); color: var(--navy); }

.filter-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-row .form-control { max-width: 200px; padding: 9px 14px; }

.pagination { display: flex; gap: 5px; align-items: center; justify-content: flex-end; padding-top: 16px; flex-wrap: wrap; }
.page-btn { padding: 7px 13px; border-radius: var(--radius-sm); border: 1.5px solid var(--border); background: var(--bg-surface); color: var(--text-secondary); cursor: pointer; font-size: 13px; transition: var(--transition); }
.page-btn.active, .page-btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

.product-img-placeholder { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--gold-pale); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }

.toast-container { position: fixed; top: 72px; right: 16px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; max-width: calc(100vw - 32px); }
.toast { background: var(--bg-surface); color: var(--text-primary); padding: 12px 18px; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); border: 1px solid var(--border); display: flex; align-items: center; gap: 10px; font-size: 14px; animation: toastIn .3s ease; min-width: 240px; pointer-events: all; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error   { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
@keyframes toastIn  { from { transform: translateX(110%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toastOut { to   { transform: translateX(110%); opacity: 0; } }

.empty-state      { text-align: center; padding: 56px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 52px; margin-bottom: 14px; opacity: .4; }
.empty-state h3   { color: var(--text-secondary); margin-bottom: 8px; }

/* ── POS Desktop ──────────────────────────────────────────── */
.pos-layout { display: grid; grid-template-columns: 1fr 390px; height: calc(100vh - var(--header-h)); overflow: hidden; position: relative; }
.pos-left { display: flex; flex-direction: column; overflow: hidden; background: var(--bg-body); }
.pos-search { display: flex; align-items: center; gap: 10px; padding: 13px 18px; background: var(--bg-sidebar); flex-shrink: 0; }
[data-theme="dark"] .pos-search { background: #0d1525; }
.barcode-input { flex: 1; padding: 10px 16px; border-radius: 9px; border: 2px solid rgba(201,168,76,.35); background: rgba(255,255,255,.08); color: #fff; font-size: 15px; font-family: 'Jost', sans-serif; outline: none; transition: var(--transition); min-width: 0; }
.barcode-input::placeholder { color: rgba(255,255,255,.35); }
.barcode-input:focus { border-color: var(--gold); background: rgba(255,255,255,.13); }
.pos-cats { display: flex; gap: 7px; padding: 10px 16px; background: var(--bg-surface); border-bottom: 1px solid var(--border); overflow-x: auto; flex-shrink: 0; -webkit-overflow-scrolling: touch; }
.pos-cats::-webkit-scrollbar { height: 0; }
.cat-btn { padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; cursor: pointer; border: 1.5px solid var(--border); background: var(--bg-surface); color: var(--text-secondary); white-space: nowrap; transition: var(--transition); flex-shrink: 0; touch-action: manipulation; }
.cat-btn:hover  { border-color: var(--gold); color: var(--gold); }
.cat-btn.active { background: var(--navy); color: #fff; border-color: var(--navy); }
[data-theme="dark"] .cat-btn.active { background: #2a3b6e; border-color: #2a3b6e; }

.pos-grid { flex: 1; overflow-y: auto; padding: 14px 16px; display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 12px; align-content: start; -webkit-overflow-scrolling: touch; }

.product-card { background: var(--bg-surface); border-radius: var(--radius); padding: 14px 10px; cursor: pointer; border: 2px solid transparent; box-shadow: var(--shadow-sm); transition: var(--transition); text-align: center; display: flex; flex-direction: column; align-items: center; overflow: hidden; touch-action: manipulation; }
.product-card:hover  { border-color: var(--gold); transform: translateY(-3px); box-shadow: 0 8px 28px rgba(201,168,76,.2); }
.product-card:active { transform: scale(.96); }
.product-card-thumb  { width: 76px; height: 76px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: var(--bg-surface-2); margin-bottom: 9px; border: 1.5px solid var(--border); display: flex; align-items: center; justify-content: center; }
.product-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-card-emoji  { font-size: 32px; line-height: 1; }
.product-card-name   { font-size: 12px; font-weight: 600; color: var(--text-primary); margin-bottom: 3px; line-height: 1.3; word-break: break-word; width: 100%; }
.product-card-price  { font-size: 13px; font-weight: 700; color: var(--gold); }
.product-card-khr    { font-size: 10px; color: var(--text-muted); margin-bottom: 2px; }
.product-card-stock  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.pos-right { display: flex; flex-direction: column; background: var(--bg-surface); border-left: 1px solid var(--border); overflow: hidden; }
.cart-head { padding: 13px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; background: var(--bg-surface-2); }
.cart-head-title { font-family: 'Cinzel', serif; font-size: 14px; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.cart-body { flex: 1; overflow-y: auto; padding: 6px 14px; -webkit-overflow-scrolling: touch; }
.cart-foot { padding: 13px 16px; border-top: 1px solid var(--border); background: var(--bg-surface-2); flex-shrink: 0; overflow-y: auto; max-height: 50vh; }

.cart-item { display: flex; align-items: center; gap: 9px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.cart-item:last-child { border-bottom: none; }
.cart-item-thumb { width: 36px; height: 36px; border-radius: 7px; overflow: hidden; flex-shrink: 0; background: var(--bg-surface-2); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.cart-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info  { flex: 1; min-width: 0; }
.cart-item-name  { font-size: 12px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-price { font-size: 11px; color: var(--text-muted); }
.cart-qty { display: flex; align-items: center; gap: 4px; }
.qty-btn { width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--border); background: var(--bg-surface); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 15px; transition: var(--transition); color: var(--text-primary); flex-shrink: 0; touch-action: manipulation; }
.qty-btn:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-pale); }
.qty-val { font-size: 13px; font-weight: 700; min-width: 20px; text-align: center; color: var(--text-primary); }
.cart-item-total { font-size: 12px; font-weight: 700; color: var(--text-primary); min-width: 48px; text-align: right; }

.cart-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 16px; color: var(--text-muted); gap: 10px; }
.cart-empty i { font-size: 44px; opacity: .2; }
.cart-empty p { font-size: 13px; text-align: center; line-height: 1.5; }

.sum-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; padding: 4px 0; color: var(--text-secondary); }
.sum-row.total { font-weight: 700; font-size: 15px; padding-top: 9px; margin-top: 5px; border-top: 2px solid var(--border); }
.sum-row.total .val { color: var(--gold); font-size: 18px; }
.sum-khr { font-size: 11px; color: var(--text-muted); text-align: right; margin-top: -2px; }

.disc-wrap   { display: flex; align-items: center; }
.disc-toggle { display: flex; border: 1.5px solid var(--border); border-radius: 7px 0 0 7px; overflow: hidden; }
.disc-toggle button { padding: 5px 10px; font-size: 12px; font-weight: 700; cursor: pointer; background: var(--bg-surface); border: none; color: var(--text-muted); transition: .15s; touch-action: manipulation; }
.disc-toggle button.active { background: var(--navy); color: #fff; }
.disc-input { width: 68px; padding: 5px 8px; border: 1.5px solid var(--border); border-left: none; border-radius: 0 7px 7px 0; font-size: 13px; outline: none; font-family: 'Jost', sans-serif; background: var(--bg-input); color: var(--text-primary); }
.disc-input:focus { border-color: var(--navy); }
.disc-save { font-size: 11px; color: var(--success); margin-top: 3px; text-align: right; }

.pay-btns { display: flex; gap: 7px; margin-top: 8px; }
.pay-btn { flex: 1; padding: 9px 4px; border: 1.5px solid var(--border); border-radius: 9px; background: var(--bg-surface); font-size: 12px; font-weight: 600; cursor: pointer; transition: var(--transition); color: var(--text-secondary); touch-action: manipulation; }
.pay-btn:hover  { border-color: var(--gold); color: var(--gold); }
.pay-btn.active { background: var(--navy); color: #fff; border-color: var(--navy); }

.btn-checkout { width: 100%; padding: 13px; background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--navy); border: none; border-radius: var(--radius-sm); font-size: 15px; font-weight: 700; cursor: pointer; font-family: 'Cinzel', serif; letter-spacing: .5px; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 12px; box-shadow: 0 4px 18px rgba(201,168,76,.3); touch-action: manipulation; }
.btn-checkout:hover:not(:disabled)  { opacity: .92; box-shadow: 0 6px 24px rgba(201,168,76,.45); }
.btn-checkout:active:not(:disabled) { transform: scale(.98); }
.btn-checkout:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }

/* ── POS Mobile Drawer ────────────────────────────────────── */
@media (max-width: 900px) {
    .pos-layout { display: flex; flex-direction: column; height: calc(100vh - var(--header-h)); overflow: hidden; position: relative; }
    .pos-left   { flex: 1; overflow: hidden; min-height: 0; }
    .pos-right  { position: absolute; bottom: 0; left: 0; right: 0; height: var(--cart-peek); border-left: none; border-top: 2px solid var(--gold); border-radius: 20px 20px 0 0; box-shadow: 0 -4px 28px rgba(0,0,0,.2); transition: height .35s cubic-bezier(.4,0,.2,1); z-index: 50; overflow: hidden; }
    .pos-right.cart-open { height: min(82vh, 600px); }
    .cart-head { cursor: pointer; user-select: none; -webkit-user-select: none; border-bottom: none; padding: 10px 16px; }
    .cart-head::before { content: ''; display: block; width: 36px; height: 4px; background: var(--border-strong); border-radius: 2px; margin: 0 auto 8px; }
    .pos-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; padding: 10px 12px; padding-bottom: calc(var(--cart-peek) + 10px); }
    .product-card-thumb { width: 60px; height: 60px; }
    .product-card       { padding: 10px 8px; }
    .cart-body { overflow-y: auto; }
    .cart-foot { max-height: none; overflow-y: visible; }
}

/* ── Sidebar Collapse ─────────────────────────────────────── */
@media (max-width: 900px) {
    :root { --sidebar-w: 0px; }
    .sidebar { transform: translateX(-260px); width: 260px; box-shadow: none; }
    .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-xl); }
    .main-content { margin-left: 0; }
    .topbar       { padding: 0 14px; }
    .page-content { padding: 16px; }
    .page-title   { font-size: 18px; }
}

@media (max-width: 768px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .filter-row { flex-direction: column; align-items: stretch; }
    .filter-row .form-control { max-width: 100%; }
    .filter-row .search-bar   { max-width: 100%; }
    .page-header  { margin-bottom: 16px; }
    .card-body    { padding: 14px; }
    .modal-body   { padding: 16px; }
    .modal-footer { padding: 12px 16px; }
    .btn-lg       { padding: 12px 20px; font-size: 15px; }
    td, th        { padding: 10px 12px; }
    .user-name, .user-role { display: none; }
    .user-badge { padding: 4px; border-radius: 50%; background: transparent; border-color: transparent; }
}

@media (max-width: 480px) {
    .stat-grid   { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-value  { font-size: 20px; }
    .stat-card   { padding: 14px; gap: 12px; }
    .stat-icon   { width: 42px; height: 42px; font-size: 18px; }
    .page-content { padding: 10px; }
    .form-grid   { grid-template-columns: 1fr; }
    .topbar-title { font-size: 14px; }
    .pos-grid    { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
    .product-card-thumb { width: 52px; height: 52px; }
    .product-card { padding: 8px 6px; }
    .product-card-name  { font-size: 11px; }
    .product-card-price { font-size: 12px; }
}

/* ── Utility ──────────────────────────────────────────────── */
.input-group .form-control { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: none; }
.input-group .btn          { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.text-muted   { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.fw-bold      { font-weight: 700 !important; }

/* ── Receipt ──────────────────────────────────────────────── */
#receiptModal .modal      { max-width: 500px; }
#receiptModal .modal-body { padding: 0 !important; }
.rct-wrap { font-family: 'DM Sans','Jost',sans-serif; color: #1a1a2e; background: #fff; width: 100%; box-sizing: border-box; overflow: hidden; }
.rct-header { background: #1e2f5e; text-align: center; padding: 26px 20px 22px; }
.rct-logo-ring { width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,.12); border: 2px solid rgba(255,255,255,.3); display: flex; align-items: center; justify-content: center; margin: 0 auto 11px; }
.rct-logo-gem  { font-size: 24px; line-height: 1; }
.rct-shop-name { font-family: 'Cinzel', serif; font-size: 19px; font-weight: 700; letter-spacing: 4px; color: #fff; margin-bottom: 5px; }
.rct-shop-sub  { font-size: 9px; letter-spacing: 4px; text-transform: uppercase; color: rgba(255,255,255,.5); }
.rct-meta-block { padding: 12px 18px 10px; background: #f4f6fb; border-bottom: 1px solid #dde3f2; }
.rct-meta-row   { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; font-size: 12px; }
.rct-meta-row:last-child { margin-bottom: 0; }
.rct-meta-lbl   { color: #8a97b8; font-weight: 400; }
.rct-meta-val   { color: #1a2744; font-weight: 600; font-size: 12px; }
.rct-pay-badge  { background: #1e2f5e; color: #fff; font-size: 9px; font-weight: 700; letter-spacing: 1px; padding: 3px 12px; border-radius: 4px; text-transform: uppercase; }
.rct-table     { width: 100%; border-collapse: collapse; table-layout: fixed; }
.rct-col-name  { width: 38%; }
.rct-col-qty   { width: 12%; }
.rct-col-price { width: 22%; }
.rct-col-total { width: 28%; }
.rct-thead-row { background: #edf0f8; border-top: 1px solid #dde2f0; border-bottom: 1px solid #dde2f0; }
.rct-th        { padding: 8px 0; font-size: 9px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: #8a97b8; }
.rct-th-left   { text-align: left;   padding-left: 18px; }
.rct-th-center { text-align: center; }
.rct-th-right  { text-align: right;  padding-right: 18px; }
.rct-td        { padding: 14px 0; vertical-align: top; font-size: 13px; }
.rct-td-name   { padding-left: 18px; font-weight: 700; color: #1a1a2e; word-break: break-word; line-height: 1.4; }
.rct-td-qty    { text-align: center; color: #6a7898; font-weight: 400; padding-top: 15px; }
.rct-td-price  { text-align: right; color: #6a7898; font-weight: 400; font-size: 13px; padding-top: 15px; white-space: nowrap; }
.rct-td-total  { text-align: right; padding-right: 18px; white-space: nowrap; }
.rct-item-row  { border-bottom: 1px solid #ebeef8; }
.rct-item-row:last-child { border-bottom: none; }
.rct-line-usd  { display: block; font-weight: 700; color: #1a1a2e; font-size: 14px; }
.rct-line-khr  { display: block; font-size: 9.5px; color: #9aa8c0; margin-top: 3px; font-weight: 400; }
.rct-summary   { border-top: 1px solid #dde2f0; }
.rct-total-row { display: flex; justify-content: space-between; align-items: center; background: #1e2f5e; }
.rct-total-label { padding: 16px 10px 16px 18px; font-size: 13px; font-weight: 800; letter-spacing: 2px; color: #fff; text-transform: uppercase; }
.rct-total-val { padding: 13px 18px 13px 10px; text-align: right; }
.rct-total-usd { font-size: 24px; font-weight: 800; color: #fff; line-height: 1.1; }
.rct-total-khr { font-size: 10px; color: rgba(255,255,255,.45); margin-top: 3px; }
.rct-sum-row   { display: flex; justify-content: space-between; align-items: center; padding: 11px 18px; border-bottom: 1px solid #ebeef8; }
.rct-sum-row:last-child { border-bottom: none; }
.rct-sum-label { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: #5a6880; font-weight: 500; }
.rct-sum-label i { font-size: 12px; color: #8a97b8; }
.rct-sum-val   { font-size: 14px; font-weight: 700; color: #1a1a2e; text-align: right; }
.rct-sub-khr   { display: block; font-size: 9.5px; color: #9aa8c0; margin-top: 2px; font-weight: 400; }
.rct-change-row .rct-sum-label { color: #16a34a; font-weight: 600; font-size: 13px; }
.rct-change-row .rct-sum-val   { color: #16a34a; font-size: 17px; font-weight: 800; }
.rct-disc-row .rct-sum-label   { color: #6a7898; }
.rct-disc-row .rct-sum-val     { color: #e05252; font-weight: 700; }
.rct-footer    { text-align: center; padding: 16px 20px 18px; background: #fff; border-top: 1.5px dashed #c8d0e8; }
.rct-thanks    { font-family: 'Cinzel', serif; font-size: 11.5px; font-weight: 700; letter-spacing: 2px; color: #1a2744; text-transform: uppercase; margin-bottom: 4px; }
.rct-footer-sub { font-size: 10px; color: #9aa8c0; letter-spacing: .3px; }