:root{--dark:#0f172a;--bg:#f1f5f9;--card:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--yellow:#fbbf24;--green:#16a34a;--red:#dc2626;--blue:#2563eb;--purple:#7c3aed;--radius:18px;--shadow:0 12px 35px rgba(15,23,42,.08)}
html[data-theme=dark]{--bg:#0b1220;--card:#111827;--text:#e5e7eb;--muted:#94a3b8;--line:#243244;--shadow:0 14px 36px rgba(0,0,0,.24)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;min-height:100vh}
.sidebar{width:292px;flex-shrink:0;background:linear-gradient(180deg,#0f172a,#111827);color:white;padding:22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.08)}.brand-badge{width:48px;height:48px;border-radius:16px;background:var(--yellow);color:#0f172a;display:grid;place-items:center;font-size:24px;font-weight:900}.brand strong{display:block;color:var(--yellow);font-size:24px}.brand span{font-size:12px;color:#cbd5e1}.menu{display:flex;flex-direction:column;gap:7px;margin-top:22px}.menu a,.logout,.theme-btn{color:#cbd5e1;text-decoration:none;padding:12px 14px;border-radius:14px;display:flex;align-items:center;gap:12px;font-weight:700;font-size:14px;border:0;background:transparent;cursor:pointer}.menu a:hover,.menu a.active,.theme-btn:hover{background:#1e293b;color:var(--yellow)}.logout{margin-top:8px;background:#dc2626!important;color:white;justify-content:center}.theme-btn{margin-top:auto;background:#1e293b;color:white;justify-content:center}
.main{flex:1;padding:30px;overflow:auto}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.topbar h1{margin:0;font-size:30px}.topbar p{margin:6px 0 0;color:var(--muted)}.user-card{background:var(--card);padding:12px 18px;border-radius:999px;box-shadow:var(--shadow);font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:18px}.card,.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;border:1px solid rgba(148,163,184,.12)}.card h3{font-size:14px;color:var(--muted);margin:0 0 10px}.card .num{font-size:28px;font-weight:900}.panel{margin-top:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap}.panel-head h2{margin:0;font-size:22px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}input,select,textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--text)}textarea{min-height:80px}.btn{border:0;border-radius:12px;padding:12px 15px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--yellow);color:#111827}.btn.red{background:var(--red);color:white}.btn.green{background:var(--green);color:white}.btn.blue{background:var(--blue);color:white}.btn.dark{background:var(--dark);color:white}.btn.purple{background:var(--purple);color:white}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}th{font-size:13px;color:var(--muted);white-space:nowrap}.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;display:inline-block}.badge.green{background:#dcfce7;color:#166534}.badge.red{background:#fee2e2;color:#991b1b}.badge.yellow{background:#fef3c7;color:#92400e}.badge.blue{background:#dbeafe;color:#1e40af}.badge.purple{background:#ede9fe;color:#5b21b6}.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:12px 14px;border-radius:12px;margin-bottom:14px;font-weight:700}.alert.error{background:#fee2e2;color:#991b1b}.alert.success{background:#dcfce7;color:#166534}
.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,rgba(251,191,36,.28),transparent 32%),linear-gradient(135deg,#0f172a,#111827)}.login-box{width:390px;background:white;color:#0f172a;border-radius:24px;padding:34px;box-shadow:0 28px 80px rgba(0,0,0,.35)}
.pos-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.product-card{border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;justify-content:space-between;gap:10px;align-items:center}.product-card strong{display:block}.product-card small{color:var(--muted)}.search-row{display:flex;gap:10px;margin-bottom:14px}.search-row input{flex:1}.total-box{font-size:28px;font-weight:900;text-align:right;margin-top:16px}
.product-img-box{display:inline-flex;align-items:center;justify-content:center}.product-img,.cart-img{width:64px;height:64px;border-radius:14px;object-fit:contain!important;background:#eef2f7;border:1px solid rgba(148,163,184,.45);padding:4px;cursor:zoom-in}.product-img-placeholder{width:64px;height:64px;border-radius:14px;background:#e2e8f0;display:inline-grid;place-items:center;font-size:27px;border:1px solid rgba(148,163,184,.45)}.product-img-large{width:170px;height:170px;border-radius:18px;object-fit:contain!important;background:#eef2f7;border:1px solid rgba(148,163,184,.45);box-shadow:0 10px 25px rgba(15,23,42,.12);padding:6px;cursor:zoom-in}.product-img-large-placeholder{display:grid;place-items:center;font-size:52px}.sale-selected-product{display:flex;gap:18px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:18px;margin-top:14px;background:var(--card)}.sale-selected-product-info strong{display:block;font-size:18px;margin-bottom:5px}.sale-selected-product-info small{color:var(--muted);display:block;margin-top:3px}.cart-product-cell{display:flex;align-items:center;gap:10px}
.safa-hover-preview{position:fixed;z-index:999999;width:360px;height:360px;padding:12px;background:#fff;border-radius:22px;border:1px solid rgba(148,163,184,.45);box-shadow:0 28px 90px rgba(0,0,0,.42);display:none;pointer-events:none}.safa-hover-preview img{width:100%;height:100%;object-fit:contain;border-radius:16px;background:#f8fafc}.safa-image-modal{position:fixed;inset:0;z-index:1000000;background:rgba(2,6,23,.92);display:none;align-items:center;justify-content:center;padding:30px}.safa-image-modal.active{display:flex}.safa-image-modal img{max-width:94vw;max-height:88vh;object-fit:contain;background:#fff;border-radius:18px;padding:10px;box-shadow:0 30px 100px rgba(0,0,0,.65)}.safa-image-modal-close{position:fixed;top:22px;right:28px;width:48px;height:48px;border:none;border-radius:999px;background:#ef4444;color:#fff;font-size:26px;font-weight:900;cursor:pointer}
.print-area{background:white;color:#000;padding:20px}.barcode-labels{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}.barcode-label{background:white;color:#000;border:1px dashed #111;padding:12px;text-align:center;border-radius:8px}.barcode-code{font-family:'Courier New',monospace;font-size:22px;letter-spacing:2px;margin:8px 0}
@media print{.sidebar,.topbar .btn,.no-print,.theme-btn,.logout{display:none!important}.app{display:block}.main{padding:0}.panel{box-shadow:none;border:0}.print-area{padding:0}}@media(max-width:920px){.app{flex-direction:column}.sidebar{width:100%}.main{padding:18px}.topbar{flex-direction:column;align-items:flex-start}.pos-layout{grid-template-columns:1fr}}@media(max-width:760px){.safa-hover-preview{display:none!important}.sale-selected-product{align-items:flex-start;flex-direction:column}.product-img-large{width:100%;height:220px}}