:root{--navy:#0b1f3a;--blue:#2563eb;--cyan:#0ea5e9;--green:#059669;--orange:#f59e0b;--red:#dc2626;--bg:#f5f7fb;--line:#dfe5ef;--text:#162033;--muted:#697386;--white:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,"Segoe UI",Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.side{background:var(--navy);color:#fff;padding:24px 18px;position:sticky;top:0;height:100vh}.brand{font-size:22px;font-weight:800;margin:0 10px 30px}.brand small{display:block;color:#8ec5ff;font-size:12px;font-weight:600;margin-top:4px}.nav a{display:flex;padding:12px 14px;border-radius:10px;color:#cbd5e1;margin:5px 0}.nav a:hover,.nav a.active{background:#19385f;color:#fff}.side form{position:absolute;bottom:22px;left:28px}.link-button{border:0;background:none;color:#cbd5e1;cursor:pointer;font-size:14px}.main{padding:32px;max-width:1400px;width:100%;margin:auto}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.top h1{margin:0;font-size:28px}.muted{color:var(--muted)}.grid{display:grid;gap:18px}.stats{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 25px rgba(15,31,58,.04)}.metric{font-size:30px;font-weight:800;margin-top:8px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:11px 17px;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}.button.secondary{background:#e8eef9;color:var(--navy)}.button.green{background:var(--green)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}label{font-size:13px;font-weight:700}input,select,textarea{width:100%;border:1px solid #cfd8e6;border-radius:9px;padding:11px 12px;background:#fff;color:var(--text);font:inherit}input:focus,select:focus,textarea:focus{outline:2px solid #b9d3ff;border-color:var(--blue)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#e8eef9;color:#25466e;font-size:12px;font-weight:700}.badge.good{background:#dcfce7;color:#166534}.alert{padding:13px 15px;border-radius:10px;margin-bottom:17px;background:#fee2e2;color:#991b1b}.success{background:#dcfce7;color:#166534}.auth{min-height:100vh;display:grid;place-items:center;padding:25px;background:linear-gradient(135deg,#07182f,#12365d)}.auth-card{background:#fff;border-radius:20px;padding:32px;width:min(760px,100%);box-shadow:0 25px 70px rgba(0,0,0,.25)}.auth-card.narrow{max-width:430px}.auth-card h1{margin-top:0}.items th:nth-last-child(-n+4),.items td:nth-last-child(-n+4){text-align:right}.row-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.invoice-paper{background:#fff;max-width:900px;margin:auto;padding:45px;border:1px solid var(--line);box-shadow:0 10px 35px rgba(15,31,58,.08)}.invoice-head{display:grid;grid-template-columns:1fr 180px 1fr;gap:22px;align-items:start}.invoice-title{text-align:center}.invoice-title h1{font-size:22px;margin:0}.invoice-title h2{font-size:18px;margin:8px 0}.invoice-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0}.right{text-align:right}.rtl{direction:rtl;text-align:right}.totals{margin-left:auto;width:330px}.totals div{display:flex;justify-content:space-between;padding:8px 0}.totals .grand{font-size:19px;font-weight:800;border-top:2px solid var(--navy)}.compliance{border-left:5px solid var(--orange)}.footer-note{text-align:center;font-size:12px;color:var(--muted);margin-top:28px}@media(max-width:800px){.shell{grid-template-columns:1fr}.side{height:auto;position:static}.side form{position:static;margin-top:25px}.nav{display:flex;overflow:auto}.nav a{white-space:nowrap}.main{padding:20px}.stats,.form-grid{grid-template-columns:1fr}.invoice-head{grid-template-columns:1fr}.invoice-title{text-align:left}.invoice-meta{grid-template-columns:1fr}.invoice-paper{padding:20px;overflow:auto}.table-wrap{overflow:auto}}@media print{body{background:#fff}.shell{display:block}.side,.top,.no-print{display:none!important}.main{padding:0}.invoice-paper{border:0;box-shadow:none;max-width:none;padding:12mm}.footer-note{position:fixed;bottom:5mm;width:100%}}