:root{--g:#0b4f3d;--g2:#14765a;--bg:#f3f6f4;--text:#20312b;--muted:#718078;--border:#dce5e0;--white:#fff;--danger:#9b2727;--shadow:0 4px 20px #16372b0d}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}header{height:68px;background:var(--g);color:#fff;display:flex;align-items:center;padding:0 24px;gap:18px}.brand{display:flex;align-items:center;gap:10px}.logo,.brand-mark{width:38px;height:38px;border-radius:11px;background:#fff;color:var(--g);display:grid;place-items:center;font-weight:900}.top-user{margin-left:auto;display:flex;align-items:center;gap:10px}.role{font-size:11px;padding:4px 7px;border-radius:12px;background:#ffffff20}.inline{display:inline}.logout{background:#fff;color:var(--g);padding:8px 12px}.layout{display:flex;min-height:calc(100vh - 68px)}nav{width:235px;background:#fff;padding:16px;border-right:1px solid var(--border)}nav a{display:block;padding:12px 13px;margin:4px 0;color:#35443e;text-decoration:none;border-radius:9px}nav a:hover{background:#e8f1ed;color:var(--g)}main{flex:1;padding:28px;overflow:auto;max-width:1500px}h1{margin:0 0 6px}h2{font-size:18px;margin:0 0 15px}.muted{color:var(--muted)}.center{text-align:center}.cards{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:16px;margin:22px 0}.card,section{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:var(--shadow);margin-bottom:20px}.card b{display:block;font-size:24px;color:var(--g);margin-top:8px}.warning b{color:#a56700}.big{font-size:38px;font-weight:800;color:var(--g)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.btn,button{border:0;border-radius:9px;padding:11px 15px;cursor:pointer;font-weight:700;background:var(--g);color:#fff;text-decoration:none;display:inline-block}.danger{background:#ffe5e5;color:var(--danger)}.wide{width:100%;margin-top:12px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}label{display:block;font-size:13px;font-weight:600;color:#4a5953}input,select{width:100%;padding:11px;border:1px solid #ccd8d2;border-radius:8px;margin-top:6px;background:#fff;color:var(--text)}.search{max-width:300px;margin:0}.flash{padding:12px 15px;border-radius:9px;margin-bottom:18px}.ok{background:#e6f2ec;color:var(--g)}.err{background:#ffe7e7;color:#8c2222}.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}.product{border:1px solid var(--border);border-radius:12px;padding:15px;background:#fbfdfc}.product .price{font-weight:800;color:var(--g);font-size:18px}.stock.low{color:#b02a2a;font-weight:800}table{width:100%;border-collapse:collapse}th,td{padding:11px;border-bottom:1px solid #e8eeeb;text-align:left;font-size:13px}th{color:var(--muted);font-weight:700}.table-wrap{overflow:auto}.compact{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:8px}.compact input,.compact select{margin:0}.compact button{padding:8px}.filters{display:flex;gap:10px;align-items:end}.filters label{min-width:160px}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#063b2f,#14765a)}.login form{width:min(430px,92%);background:#fff;padding:32px;border-radius:20px;box-shadow:0 20px 70px #0005}.login h1{text-align:center;color:var(--g);font-size:23px}.brand-mark{margin:auto}.invoice{max-width:900px;margin:auto;background:#fff;padding:35px;border-radius:12px}.invoice-head,.invoice-meta,.total-line{display:flex;justify-content:space-between;gap:20px}.invoice-meta{border-block:1px solid var(--border);padding:18px 0;margin:20px 0}.total-line{font-size:20px;padding-top:20px}.no-print{margin-left:auto}@media(max-width:900px){nav{width:62px;padding:8px}nav span{display:none}main{padding:16px}.cards,.grid{grid-template-columns:1fr 1fr}.top-user .role{display:none}}@media(max-width:600px){.cards,.grid{grid-template-columns:1fr}.top-user{display:none}.filters{flex-direction:column;align-items:stretch}.invoice{padding:18px}}@media print{body{background:#fff}.invoice{box-shadow:none;border:0}.no-print{display:none!important}}