:root{--blue:#075bc7;--navy:#061b3c;--soft:#f4f8ff;--border:#e5efff;--text:#10233f;--muted:#64748b;--green:#16a34a;--red:#dc2626;--orange:#f59e0b}*{box-sizing:border-box;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}body{background:var(--soft);color:var(--text)}a{text-decoration:none;color:inherit}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#061b3c,#075bc7)}.login-card{width:min(420px,92%);background:#fff;border-radius:24px;padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.brand{font-weight:900;font-size:32px;color:var(--blue)}.brand span{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-top:3px}.form-group{margin:14px 0}.form-group label{display:block;font-weight:800;margin-bottom:7px}.input,select,textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:12px;background:#fff;outline:none}.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:900;cursor:pointer;display:inline-block}.btn-primary{background:var(--blue);color:#fff}.btn-dark{background:var(--navy);color:#fff}.btn-green{background:var(--green);color:#fff}.btn-red{background:var(--red);color:#fff}.layout{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{background:var(--navy);color:#fff;padding:24px;position:sticky;top:0;height:100vh}.sidebar .brand{color:#66aaff;margin-bottom:22px}.menu a{display:block;padding:12px 14px;border-radius:12px;margin-bottom:7px;color:#dbeafe;font-weight:800}.menu a:hover,.menu a.active{background:rgba(255,255,255,.12);color:#fff}.main{padding:26px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.topbar h1{font-size:28px}.card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:22px;box-shadow:0 10px 28px rgba(0,0,0,.06);margin-bottom:20px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.stat{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:0 10px 25px rgba(0,0,0,.06)}.stat small{color:var(--muted);font-weight:800}.stat h2{font-size:32px;margin-top:8px;color:var(--blue)}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid #edf2ff;text-align:left;font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase}.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900;display:inline-block}.badge.active{background:#dcfce7;color:#166534}.badge.isolir{background:#fee2e2;color:#991b1b}.badge.pending{background:#fef3c7;color:#92400e}.badge.paid{background:#dcfce7;color:#166534}.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:12px 16px;border-radius:14px;margin-bottom:16px;background:#e0f2fe;color:#075985;font-weight:800}.muted{color:var(--muted)}.invoice{max-width:800px;margin:auto;background:#fff;padding:34px;border-radius:20px}.invoice-head{display:flex;justify-content:space-between;border-bottom:2px solid #e5efff;padding-bottom:18px;margin-bottom:18px}.print-hide{}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.grid-4,.grid-3{grid-template-columns:1fr}.main{padding:16px}.topbar{display:block}.menu a{display:inline-block}}@media print{.print-hide,.sidebar,.topbar{display:none!important}.layout{display:block}.main{padding:0}.invoice{box-shadow:none;border-radius:0}}