:root{--bg:#f5f7fb;--card:#fff;--ink:#111827;--muted:#64748b;--line:#e2e8f0;--dark:#0f172a;--accent:#2563eb;--danger:#dc2626;--ok:#16a34a;--warn:#d97706;--r:18px;--shadow:0 14px 35px rgba(15,23,42,.08)}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}input,select,textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:white;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #dbeafe}label{display:grid;gap:6px;font-size:13px;font-weight:650;color:#334155}.muted{color:var(--muted)}.tiny{font-size:12px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--accent)}.full{width:100%}.stack{display:grid;gap:12px}.row{display:flex;gap:10px;align-items:center}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.btn{border:0;border-radius:12px;padding:11px 14px;font-weight:750;background:#e2e8f0;color:#0f172a}.btn.primary{background:var(--dark);color:white}.btn.blue{background:var(--accent);color:#fff}.btn.danger{background:#fee2e2;color:#991b1b}.btn.ghost{background:transparent;border:1px solid var(--line)}.btn.small{padding:8px 10px;font-size:12px}.icon-btn{border:0;background:#eef2f7;border-radius:12px;width:40px;height:40px}.landing{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:radial-gradient(circle at 15% 15%,#dbeafe 0,transparent 35%),var(--bg)}.hero{padding:clamp(36px,7vw,96px);display:flex;flex-direction:column;justify-content:center}.hero h1{font-size:clamp(44px,7vw,84px);line-height:.95;margin:10px 0 18px;letter-spacing:-.055em;max-width:760px}.hero p{font-size:18px;max-width:620px;line-height:1.7}.hero-points{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 30px}.pill{background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:999px;font-size:12px;font-weight:700}.login-panel{background:var(--dark);color:#fff;padding:clamp(28px,5vw,70px);display:flex;align-items:center}.login-card{width:100%;max-width:460px;margin:auto}.login-card h2{font-size:34px;margin:8px 0}.login-card label{color:#cbd5e1}.login-card input{background:#1e293b;border-color:#334155;color:#fff}.login-card .muted{color:#94a3b8}.demo-link{margin-top:14px}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:var(--dark);color:#fff;padding:20px 14px;position:sticky;top:0;height:100vh}.brand{padding:8px 12px 22px;font-size:22px;font-weight:850;letter-spacing:-.03em}.brand small{display:block;color:#94a3b8;font-size:11px;font-weight:600;margin-top:4px}.nav{display:grid;gap:6px}.nav button{border:0;background:transparent;color:#cbd5e1;text-align:left;padding:11px 12px;border-radius:11px;font-weight:680}.nav button.active,.nav button:hover{background:#1e293b;color:#fff}.sidebar-foot{position:absolute;bottom:16px;left:14px;right:14px;display:grid;gap:7px}.main{padding:26px;max-width:1500px;width:100%;margin:auto}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.topbar h1{margin:2px 0;font-size:28px}.status-chip{padding:7px 10px;border-radius:999px;background:#dcfce7;color:#166534;font-size:12px;font-weight:800}.status-chip.warn{background:#ffedd5;color:#9a3412}.grid{display:grid;gap:14px}.metrics{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.metric,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.metric{padding:18px}.metric .num{font-size:27px;font-weight:850;margin-top:5px}.card{padding:18px}.card h3{margin:0 0 14px}.pos-layout{display:grid;grid-template-columns:1fr 360px;gap:16px}.product-toolbar{display:grid;grid-template-columns:1fr 180px;gap:10px;margin-bottom:14px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.product-tile{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px;text-align:left;min-height:102px}.product-tile:hover{border-color:#93c5fd}.product-tile b{display:block}.price{font-size:18px;font-weight:850;margin-top:8px}.stock{font-size:11px;color:var(--muted);margin-top:3px}.cart{position:sticky;top:22px;height:max-content}.cart-line{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}.qty{display:flex;gap:5px;align-items:center}.qty button{width:28px;height:28px;border:1px solid var(--line);background:white;border-radius:8px}.total{display:flex;justify-content:space-between;font-size:24px;font-weight:900;margin:16px 0}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);white-space:nowrap}.table th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em}.actions{display:flex;gap:5px}.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.form-grid .wide{grid-column:span 2}.empty{text-align:center;padding:42px 12px;color:var(--muted)}.banner{padding:12px 14px;border-radius:14px;margin-bottom:14px;background:#dbeafe;color:#1e40af;font-weight:650;font-size:13px}.banner.demo{background:#fef3c7;color:#92400e}.banner.offline{background:#fee2e2;color:#991b1b}.manual-dialog{border:0;border-radius:22px;max-width:850px;width:calc(100% - 24px);box-shadow:0 30px 80px #0f172a55;padding:22px}.manual-dialog::backdrop{background:#0f172a99}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start}.dialog-head h2{margin:4px 0 18px}.manual-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}.manual-grid article{border:1px solid var(--line);border-radius:14px;padding:14px}.manual-grid p{margin:6px 0 0;color:var(--muted);line-height:1.5;font-size:13px}.toast{position:fixed;right:18px;top:18px;z-index:99;background:#0f172a;color:#fff;padding:11px 15px;border-radius:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(-10px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.modal-backdrop{position:fixed;inset:0;background:#0f172a99;z-index:50;display:grid;place-items:center;padding:15px}.modal{background:white;border-radius:20px;width:min(620px,100%);padding:20px;max-height:90vh;overflow:auto}.modal h2{margin-top:0}.setup-page{display:grid;place-items:center;padding:20px}.setup-card{width:min(520px,100%);background:#fff;padding:28px;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}.setup-card h1{margin:6px 0}.setup-card code{background:#f1f5f9;padding:2px 5px;border-radius:5px}.mobile-top{display:none}.kicker{font-size:12px;color:var(--muted);font-weight:700}.admin-store-list{display:none}
@media(max-width:980px){.landing{grid-template-columns:1fr}.login-panel{min-height:480px}.app-shell{grid-template-columns:1fr}.sidebar{display:none}.mobile-top{display:flex;position:sticky;top:0;z-index:20;background:var(--dark);color:#fff;padding:10px 12px;align-items:center;justify-content:space-between}.mobile-nav{display:flex;gap:5px;overflow:auto}.mobile-nav button{white-space:nowrap;border:0;background:#1e293b;color:#cbd5e1;border-radius:9px;padding:8px 10px;font-size:12px}.main{padding:15px}.metrics{grid-template-columns:1fr 1fr}.pos-layout{grid-template-columns:1fr}.cart{position:static}.product-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr 1fr}.desktop-table{display:none}.admin-store-list{display:grid;gap:10px}.store-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px}.store-card .actions{margin-top:12px;flex-wrap:wrap}}
@media(max-width:560px){.hero{padding:34px 22px}.hero h1{font-size:48px}.login-panel{padding:30px 20px}.metrics{grid-template-columns:1fr 1fr}.metric{padding:14px}.metric .num{font-size:21px}.product-toolbar{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:span 1}.manual-grid{grid-template-columns:1fr}.topbar{align-items:center}.topbar h1{font-size:22px}.hide-mobile{display:none}}