:root{--azul:#0b3f72;--azul2:#07284a;--oro:#f2b705;--verde:#10b981;--gris:#f5f7fb;--linea:#dbe4ef;--texto:#0f172a;--muted:#64748b;--rojo:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#eef3f9;color:var(--texto)}a{color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:278px;background:var(--azul2);color:white;padding:22px 16px;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-badge{background:linear-gradient(135deg,#0ea5e9,#16a34a);color:#fff;font-weight:800;border-radius:10px;padding:10px 12px}.brand b{display:block;font-size:26px;letter-spacing:.5px}.brand span{display:block;color:#cbd5e1}.sidebar nav a{display:block;padding:12px 14px;margin:4px 0;border-radius:12px;color:#dbeafe;text-decoration:none;font-weight:600}.sidebar nav a:hover,.sidebar nav a.active{background:#0f4f8f;color:white;box-shadow:inset 4px 0 0 var(--oro)}.main{margin-left:278px;width:calc(100% - 278px);padding:0 0 40px}.topbar{background:var(--azul);border-bottom:5px solid var(--oro);color:#fff;padding:22px 28px;display:flex;justify-content:space-between;align-items:center}.topbar h1{margin:0;font-size:30px}.topbar p{margin:5px 0 0;color:#dbeafe}.top-actions{display:flex;gap:8px}.wrap{padding:28px}.card{background:#fff;border:1px solid var(--linea);border-radius:18px;box-shadow:0 10px 30px #0f172a12;padding:24px;margin:0 0 22px}.grid{display:grid;gap:18px}.grid.cols2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols4{grid-template-columns:repeat(4,minmax(0,1fr))}.kpi{background:#fff;border:1px solid #dbeafe;border-radius:16px;padding:18px}.kpi span{display:block;color:var(--muted);font-size:13px}.kpi b{font-size:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--oro);color:#111827;border:0;border-radius:12px;padding:12px 16px;font-weight:800;text-decoration:none;cursor:pointer}.btn:hover{filter:brightness(.96)}.btn.primary{background:var(--azul);color:#fff}.btn.green{background:var(--verde);color:#fff}.btn.ghost{background:#e2e8f0;color:#0f172a}.btn.danger{background:#fee2e2;color:var(--rojo)}.btn.small{padding:8px 12px;font-size:13px}.alert{margin:20px 28px 0;border-radius:14px;padding:14px 18px;font-weight:700}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.alert.warning{background:#fef3c7;color:#92400e}.hero{background:linear-gradient(135deg,var(--azul),#0ea5e9);color:#fff;border-radius:24px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.hero h2{font-size:36px;margin:0 0 8px}.hero p{color:#e0f2fe;max-width:760px}.public{max-width:1180px;margin:0 auto;padding:32px}.public-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid.cols3{grid-template-columns:repeat(3,minmax(0,1fr))}.form-grid .full{grid-column:1/-1}label{font-weight:800;color:#0f172a}input,select,textarea{display:block;width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;margin-top:6px;font:inherit}textarea{min-height:100px}.table-wrap{overflow:auto;border:1px solid var(--linea);border-radius:14px}table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;min-width:900px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid #e2e8f0;vertical-align:top}th{background:#f1f5f9;font-size:13px;text-transform:uppercase;color:#334155}tr:last-child td{border-bottom:0}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#e2e8f0;font-weight:800;font-size:12px}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.badge.err{background:#fee2e2;color:#991b1b}.invoice{background:#fff;padding:28px;border:1px solid #cbd5e1;max-width:900px;margin:20px auto}.invoice-head{display:flex;justify-content:space-between;gap:20px;border-bottom:4px solid var(--azul);padding-bottom:14px}.invoice-logo{max-height:95px;max-width:210px}.invoice-title{text-align:right}.invoice-title h1{margin:0;color:var(--azul)}.print-actions{max-width:900px;margin:20px auto;display:flex;gap:10px}.siat-note{background:#fef9c3;border-left:5px solid var(--oro);padding:12px;border-radius:12px;color:#713f12}.desktop-window{border:1px solid #cbd5e1;border-radius:16px;background:#fff;box-shadow:0 16px 40px #0f172a12}.desktop-title{background:#e5e7eb;border-bottom:1px solid #cbd5e1;padding:10px 14px;border-radius:16px 16px 0 0;font-weight:800}.toolbar{display:flex;gap:8px;flex-wrap:wrap;padding:12px;border-bottom:1px solid #e2e8f0;background:#f8fafc}.statusbar{font-size:12px;color:#475569;background:#f8fafc;border-top:1px solid #e2e8f0;padding:10px}.two-pane{display:grid;grid-template-columns:290px 1fr;gap:18px}.side-list{background:#f8fafc;border-radius:14px;padding:12px}.side-list a{display:block;text-decoration:none;padding:10px;border-radius:10px;color:#0f172a}.side-list a:hover{background:#e0f2fe}.logo-preview{max-width:220px;max-height:120px;background:#fff;border:1px solid #cbd5e1;border-radius:12px;padding:8px}.landing-card{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{background:#fff;border:1px solid var(--linea);border-radius:16px;padding:18px}.feature b{display:block;color:var(--azul);margin-bottom:6px}@media(max-width:900px){.sidebar{position:static;width:100%;height:auto}.app-shell{display:block}.main{margin-left:0;width:100%}.grid.cols2,.grid.cols3,.grid.cols4,.form-grid,.form-grid.cols3,.two-pane,.landing-card,.features{grid-template-columns:1fr}.topbar{display:block}.public{padding:16px}}@media print{body{background:#fff}.print-actions,.sidebar,.topbar,.statusbar,.no-print{display:none!important}.main{margin:0;width:100%;padding:0}.invoice{border:0;margin:0;max-width:none;box-shadow:none}.card{box-shadow:none}}