:root{--bg:#f4f6f8;--surface:#fff;--text:#18212b;--muted:#667085;--line:#dfe5ec;--brand:#1d4ed8;--brand-dark:#1e40af;--danger:#b42318;--success:#067647}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}.topbar{min-height:64px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.brand{color:#fff;text-decoration:none;font-weight:800;letter-spacing:.08em}.topbar nav{display:flex;gap:16px;flex-wrap:wrap}.topbar nav a{color:#dbeafe;text-decoration:none}.container{max-width:1300px;margin:28px auto;padding:0 16px}.page-head{margin-bottom:20px}.page-head h1,.card h1,.card h2{margin-top:0}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid #e8ecf1;border-radius:14px;padding:24px;margin-bottom:22px;box-shadow:0 8px 24px rgba(16,24,40,.05)}.login-card{max-width:440px;margin:9vh auto}label{display:flex;flex-direction:column;gap:6px;font-weight:650;margin-bottom:15px}input,select,button{font:inherit}input,select{width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px;background:#fff}button,.button{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:#334155;color:#fff;text-decoration:none;cursor:pointer}.primary{background:var(--brand)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:0 18px}.checkbox{display:flex;flex-direction:row;align-items:center;align-self:end;height:42px}.checkbox input{width:auto}.form-actions,.filters,.actions{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.form-actions{grid-column:1/-1}.filters label{min-width:170px;margin:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc;white-space:nowrap}.actions form{margin:0}.link-button{padding:0;background:none;color:var(--brand);text-decoration:underline}.danger-text{color:var(--danger)}.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px}.alert-success{background:#dcfae6;color:var(--success)}.alert-error{background:#fee4e2;color:var(--danger)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:22px}.stat{background:#fff;border:1px solid #e8ecf1;border-radius:12px;padding:18px}.stat span,.stat small{display:block;color:var(--muted)}.stat strong{font-size:26px}.assign-form{display:grid;grid-template-columns:minmax(260px,1fr) auto;gap:8px}.success-empty{color:var(--success);font-weight:650;text-align:center}code{background:#eef2f6;padding:2px 5px;border-radius:4px}@media(max-width:760px){.topbar{align-items:flex-start;flex-direction:column;padding:14px}.form-grid{grid-template-columns:1fr}.card{padding:16px}.assign-form{grid-template-columns:1fr}table{font-size:13px}}
.danger-button{background:#b42318}.excel-button{background:#107c41}.bar-chart{display:grid;gap:12px}.bar-row{display:grid;grid-template-columns:80px 1fr 130px;gap:12px;align-items:center}.bar-track{height:18px;background:#e5e7eb;border-radius:999px;overflow:hidden}.bar-fill{height:100%;background:#1d4ed8;border-radius:999px}@media(max-width:760px){.bar-row{grid-template-columns:70px 1fr}.bar-row strong{grid-column:2}}
.stock-low{background:#fff4e5}.warning-badge{display:inline-block;padding:4px 9px;border-radius:999px;background:#f79009;color:#fff;font-weight:700}