:root{--bg:#f3f5f9;--sidebar:#171a24;--sidebar-soft:#20263a;--text:#202636;--muted:#6d7384;--card:#fff;--line:#dfe5f2;--accent:#1d7bf2;--accent-soft:#eaf3ff;--good:#14a57b;--shadow:0 10px 30px #1b264214;--font-main:"Segoe UI", "Trebuchet MS", sans-serif}*{box-sizing:border-box}body{min-height:100vh;font-family:var(--font-main);color:var(--text);background:var(--bg);margin:0}#root,.pos-page{min-height:100vh}.login-shell{align-items:stretch;min-height:100vh;display:flex}.login-brand{color:#e8edf9;background:linear-gradient(140deg,#192136,#242f4c);flex:1;padding:64px}.login-brand h1{margin:0;font-size:44px}.login-brand p{color:#b6bfd8;max-width:460px;margin:16px 0 24px}.login-brand ul{margin:0;padding-left:18px;line-height:1.9}.login-card{border-left:1px solid var(--line);background:#fff;align-content:center;gap:14px;width:420px;padding:42px;display:grid}.login-card small{color:var(--muted)}.pos-shell{grid-template-columns:220px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--sidebar);color:#c9d2ea;flex-direction:column;padding:20px 14px;display:flex}.brand-block{background:#1d2334;border:1px solid #2d3349;border-radius:12px;margin-bottom:16px;padding:12px}.brand-block h2{color:#fff;margin:0}.brand-block p{color:#a6b2d6;margin:4px 0 0}nav{gap:8px;display:grid}.nav-btn{text-align:left;color:#c9d2ea;background:0 0;border:1px solid #2c3652;border-radius:10px;padding:10px 12px}.nav-btn.active{background:#2b3c66;border-color:#4562a0}.logout-btn{background:#303a57;border:1px solid #42527e;margin-top:auto}.workspace{padding:18px}.workspace-top{justify-content:space-between;align-items:center;gap:14px;display:flex}.workspace-top h1{margin:0;font-size:28px}.workspace-top p{color:var(--muted)}.stat-row{grid-template-columns:repeat(3,minmax(130px,1fr));gap:10px;display:grid}.stat-row article{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);border-radius:12px;padding:10px 12px}.stat-row span{color:var(--muted);font-size:12px}.stat-row strong{margin-top:2px;display:block}.panels{grid-template-columns:1fr 1fr;gap:14px;margin-top:14px;display:grid}h2{margin:0 0 12px}p{margin:0}.panel{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);border-radius:14px;padding:14px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:10px;display:grid}label{gap:6px;display:grid}input,select,button{border:1px solid var(--line);font:inherit;border-radius:10px;padding:10px}button{cursor:pointer;color:#fff;background:linear-gradient(135deg,#1d7bf2,#2a62d6);border-color:#0000}button:hover{filter:brightness(1.05)}.item-list{gap:6px;max-height:430px;margin:0;padding:0;list-style:none;display:grid;overflow:auto}.item-list li{border:1px solid var(--line);border-radius:10px;justify-content:space-between;gap:10px;padding:9px;display:flex}.item-list li div{gap:2px;display:grid}.item-list small{color:var(--muted)}.item-list li div:last-child{text-align:right}@media (width<=900px){.login-shell{grid-template-columns:1fr;display:grid}.login-brand{padding:30px 20px}.login-card{border-left:0;border-top:1px solid var(--line);width:auto}.pos-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;align-items:center;gap:10px;overflow:auto}.brand-block{min-width:160px;margin-bottom:0}nav{display:flex}.logout-btn{margin-top:0;margin-left:auto}.stat-row{grid-template-columns:1fr}.workspace-top{flex-direction:column;align-items:flex-start}.panels,.form-grid{grid-template-columns:1fr}}