:root{--ink:#172033;--muted:#6b7280;--line:#e4e8ef;--blue:#3157d5;--bg:#f4f6fa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px system-ui,-apple-system,"Segoe UI",sans-serif}header{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1180px)/2));position:sticky;top:0;z-index:5}.brand{font-size:22px;font-weight:800;color:var(--ink);text-decoration:none}nav{display:flex;gap:24px;align-items:center}nav a,.link{color:#475569;text-decoration:none;background:none;border:0;padding:0;font:inherit;cursor:pointer}nav form{margin:0}main{max-width:1180px;margin:34px auto;padding:0 22px 80px}h1{font-size:30px;margin:0 0 5px}h2{font-size:18px;margin:0 0 20px}.muted{color:var(--muted);font-size:14px}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.actions{display:flex;gap:10px;align-items:center}.button,button{background:var(--blue);border:1px solid var(--blue);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;font-weight:650;cursor:pointer;font-size:14px}.secondary{background:#172033;border-color:#172033}.ghost{background:#fff;color:#334155;border-color:#cbd5e1}.small{padding:7px 11px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:18px;box-shadow:0 2px 6px #18264a0a}.login{max-width:420px;margin:80px auto;padding:34px}.login form{display:grid;gap:17px;margin-top:28px}label{display:grid;gap:7px;font-size:13px;font-weight:650;color:#374151}input,textarea,select{width:100%;padding:10px 11px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;font:inherit;color:var(--ink)}textarea{min-height:76px;resize:vertical}input:focus,textarea:focus,select:focus{outline:2px solid #a9b9f7;border-color:var(--blue)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}.wide{grid-column:1/-1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th{text-align:left;color:#64748b;font-size:12px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);padding:11px 9px}td{padding:13px 9px;border-bottom:1px solid var(--line)}.row-actions{display:flex;gap:14px;justify-content:flex-end}.row-actions a,td a{color:var(--blue);text-decoration:none}.empty{text-align:center;color:var(--muted);padding:40px}.badge{font-size:11px;padding:3px 7px;border-radius:20px;background:#e8edff;color:#294dc3}.badge.proforma{background:#f2eafb;color:#7538a4}.tabs{display:flex;gap:16px;margin-top:15px}.tabs a{color:var(--muted);text-decoration:none}.tabs a.active{color:var(--blue);font-weight:700}.search{display:flex;gap:7px;margin-top:14px}.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;background:#e6f7ed;color:#166534}.flash.error{background:#feecec;color:#991b1b}.editor{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.editor>section:nth-of-type(3),.editor>section:nth-of-type(4),.sticky-save{grid-column:1/-1}.section-head{display:flex;justify-content:space-between;align-items:start}.items input{min-width:90px;padding:7px}.items td:first-child input{min-width:350px}.items .remove{padding:5px 10px;background:#fff;color:#b91c1c;border-color:#f3b9b9;font-size:18px}.totals{margin:20px 0 0 auto;width:330px;display:grid;gap:10px}.totals label{grid-template-columns:1fr 100px;align-items:center}.totals div{display:flex;justify-content:space-between}.totals .grand{font-size:18px;border-top:2px solid var(--ink);padding-top:10px}.hidden{display:none}.sticky-save{position:sticky;bottom:15px;background:#fff;border:1px solid var(--line);padding:12px 18px;border-radius:10px;box-shadow:0 8px 30px #17203322;display:flex;gap:10px}.summary{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:20px}.summary div{display:grid;gap:5px}.summary span,.summary small{color:var(--muted)}.summary strong{font-size:19px}@media(max-width:760px){header{padding:0 14px}nav{gap:10px;font-size:13px}main{margin-top:20px;padding:0 12px 70px}.page-head,.editor{display:block}.actions{margin-top:15px;flex-wrap:wrap}.form-grid,.summary{grid-template-columns:1fr}.wide{grid-column:auto}.card{padding:16px}.items td:first-child input{min-width:230px}}