:root{--bg:#f4f7fb;--panel:#fff;--ink:#172033;--muted:#667085;--line:#e4e9f1;--primary:#176b57;--dark:#102e2a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,Segoe UI,sans-serif}a{color:var(--primary);text-decoration:none}.layout{display:grid;grid-template-columns:235px 1fr;min-height:100vh}.sidebar{background:var(--dark);color:#e9fff8;padding:22px 16px}.brand{font-size:24px;font-weight:850;margin-bottom:24px}.brand span{color:#53d6a7}.nav{display:grid;gap:6px}.nav a{color:#c5d9d3;padding:10px 12px;border-radius:8px}.nav a:hover,.nav a.active{background:#214a42;color:#fff}.main{min-width:0}.topbar{display:flex;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);padding:16px 26px}.content{padding:26px;max-width:1500px;margin:auto}h1{font-size:26px;margin:0 0 6px}h2{font-size:18px;margin:0 0 14px}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:20px 0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.panel,.stat,.login-card{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:19px;box-shadow:0 2px 8px #122b2a05}.stat small{display:block;color:var(--muted)}.stat strong{display:block;font-size:25px;margin-top:8px}.btn,button{background:var(--primary);color:#fff;border:0;border-radius:8px;padding:10px 14px;display:inline-block;font:inherit;font-weight:650;cursor:pointer}.btn.secondary{background:#e8f0ed;color:var(--primary)}button:disabled{opacity:.45}form{display:grid;gap:11px}label{display:grid;gap:5px;font-size:13px;color:#465467}input,select{width:100%;padding:10px 11px;border:1px solid #d4dce7;border-radius:8px;background:#fff;color:#172033;font:inherit}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:12px;color:var(--muted);background:#fafbfd}.notice{padding:12px;border-radius:8px;margin:10px 0;background:#fff0ef;color:#a5261d}.toolbar{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:18px 0}.toolbar form{display:flex;align-items:end;gap:9px;flex-wrap:wrap}.pos-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:16px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.product-button{background:#fff;color:var(--ink);border:1px solid var(--line);text-align:left;min-height:85px;padding:11px}.product-button strong,.product-button small{display:block}.product-button small{color:var(--muted);margin-top:4px}.cart-row{display:grid;grid-template-columns:1fr 62px 75px;gap:7px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line)}.cart-row input{padding:6px}.total-line{display:flex;justify-content:space-between;padding:7px 0}.final{font-size:19px;font-weight:800;border-top:1px solid var(--line);margin-top:7px;padding-top:12px}.pill{border-radius:18px;padding:3px 8px;background:#e9f7f1;color:#145c49;font-size:12px}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(100%,440px);padding:28px}.login-card .brand{color:var(--dark)}@media(max-width:980px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.layout{grid-template-columns:185px 1fr}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.layout{grid-template-columns:1fr}.sidebar{padding:12px}.brand{margin-bottom:10px}.nav{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{padding:13px 17px}.content{padding:16px}.cards,.pos-layout,.form-row{grid-template-columns:1fr}.grid{gap:9px}.stat{padding:12px}.stat strong{font-size:20px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}