*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#192b40;font:15px system-ui,Arial}header{background:#123e57;color:white;padding:13px 4%;display:flex;align-items:center;gap:20px;flex-wrap:wrap}nav{display:flex;flex-wrap:wrap;gap:12px;flex:1}a{color:inherit;text-decoration:none}nav a:hover{text-decoration:underline}main{max-width:1180px;margin:24px auto;padding:0 16px;min-height:70vh}.panel{background:white;padding:22px;border-radius:12px;box-shadow:0 2px 15px #122a4512;margin-bottom:18px}.narrow{max-width:420px;margin:50px auto}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;align-items:end}label{display:block;font-weight:600;font-size:13px}input,select,textarea{display:block;width:100%;padding:10px;border:1px solid #c8d3df;border-radius:7px;margin:6px 0 10px;background:white;font:inherit}button{border:0;border-radius:7px;padding:11px 16px;background:#087c9b;color:white;font-weight:700;cursor:pointer}.outline{background:transparent;border:1px solid white}.wide{grid-column:1/-1}table{width:100%;border-collapse:collapse;text-align:left}th,td{padding:10px;border-bottom:1px solid #e6ebef;white-space:nowrap}th{background:#f0f5f8}.scroll{overflow:auto}.err{background:#ffe6e6;color:#9d1c1c;padding:12px;border-radius:7px}footer{text-align:center;padding:24px;color:#637386}@media(max-width:600px){header{align-items:flex-start}nav{width:100%}.panel{padding:14px}}
:root{--navy:#132b45;--blue:#1469b9;--muted:#65758a;--line:#dce5ef}
*{box-sizing:border-box}
body{background:#f3f6fa;color:#17283c;font-family:Inter,system-ui,"Segoe UI",sans-serif}
header{background:var(--navy);color:#fff;box-shadow:0 4px 18px #10284022;gap:12px;position:sticky;top:0;z-index:10}
header nav{display:flex;flex-wrap:wrap;gap:4px}
header nav a{color:#e7eff9;padding:8px 10px;border-radius:7px;font-size:13px;text-decoration:none}
header nav a:hover,header nav a.active{background:#ffffff24;color:white}
main{max-width:1350px;margin:auto;padding:24px 22px}
h1{font-size:25px;letter-spacing:-.4px}h2{font-size:17px}
.panel{border:1px solid var(--line);border-radius:12px;box-shadow:0 3px 15px #112e4b0d;background:white;padding:18px;margin-bottom:15px}
input,select,textarea{border:1px solid #cbd6e3;border-radius:8px;min-height:38px;padding:8px 10px;color:#14263d}
input:focus,select:focus,textarea:focus{outline:2px solid #a8cffa}
button{background:var(--blue);border-radius:8px;font-weight:650}
label{font-size:12px;font-weight:650;color:#455970}
th{background:#edf3fa;color:#405773;text-transform:uppercase;font-size:11px;letter-spacing:.3px}
th,td{padding:10px;border-bottom:1px solid #e6edf4}
tr:hover td{background:#f8fbff}
input[name=price],input[name=amount],input[name=last_number]{font-weight:800;color:#14263d}
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.settings-grid .panel{margin:0}
.settings-grid .formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.settings-grid .formgrid label{display:flex;flex-direction:column;gap:5px}
.settings-grid .formgrid .wide{grid-column:1/-1}
.settings-grid input{width:100%}
.settings-subtitle{font-size:13px;color:var(--muted);margin:0 0 15px}
.settings-note{background:#fff8e8;border:1px solid #eedba8;color:#74571e;border-radius:9px;padding:12px;font-size:13px}
.settings-chip{background:#eaf2fc;border:1px solid #d1e2f4;color:#24527f;border-radius:20px;padding:5px 10px;font-size:12px;font-weight:700}
.settings-action{grid-column:1/-1;display:flex;justify-content:flex-end;align-items:center;gap:16px;background:white;border:1px solid var(--line);border-radius:12px;padding:16px}
.settings-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
@media(max-width:900px){header{position:static}.settings-grid{grid-template-columns:1fr}main{padding:14px}}
@media(max-width:520px){.settings-grid .formgrid{grid-template-columns:1fr}.settings-grid .formgrid .wide{grid-column:auto}.settings-action{flex-direction:column;align-items:stretch}}

/* Óptica ERP v1.7: menú con botones y búsqueda instantánea */
header{display:flex;align-items:center;flex-wrap:wrap;padding:12px 18px}
header strong{font-size:17px;letter-spacing:.2px}
header nav{display:flex;gap:7px;align-items:center;flex:1}
header nav a{display:inline-flex;align-items:center;justify-content:center;border:1px solid #ffffff25;background:#ffffff10;border-radius:9px;padding:9px 12px;font-weight:650;min-height:37px;transition:background .15s,border-color .15s}
header nav a:hover{background:#ffffff25;border-color:#ffffff55}
header nav a.active{background:#fff;color:#163656;border-color:#fff;box-shadow:0 2px 6px #0002}
header form{margin:0}
.page-heading,.search-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.page-subtitle{color:#65758a;font-size:13px;margin:3px 0 14px}
.action-link{background:#1469b9;color:#fff!important;padding:10px 15px;border-radius:8px;font-weight:700;text-decoration:none}
.client-search{display:flex;align-items:center;gap:9px;margin:12px 0 18px}
.client-search input{flex:1;min-width:150px;font-size:14px;min-height:43px}
.client-search button{min-height:43px;white-space:nowrap}
.secondary-button{background:#edf2f8!important;color:#24405b!important;border:1px solid #d2deea}
.search-counter{font-size:12px;font-weight:700;background:#eaf2fc;color:#24527f;padding:7px 10px;border-radius:30px}
.empty-state{padding:24px;text-align:center;color:#65758a}
#tabla-clientes tbody tr[hidden]{display:none}
#tabla-clientes tbody tr:hover{background:#f4f8ff}
@media(max-width:600px){.client-search{flex-wrap:wrap}.client-search input{flex-basis:100%}.client-search button{flex:1}header nav{width:100%}}

.quick-actions{display:flex;gap:9px;flex-wrap:wrap}.quick-actions a{background:#eef5fd;border:1px solid #d4e4f5;border-radius:9px;padding:10px 15px;text-decoration:none;font-weight:700;color:#205681}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:13px}.cards .panel{margin:0}.cards .panel h2{font-size:25px;margin:9px 0 0;color:#122b48}#series-config{margin-top:18px}#series-config>.panel{box-shadow:none;border:1px solid #e2e9f2}#series-config .formgrid{grid-template-columns:repeat(2,minmax(0,1fr))}#series-config .formgrid button{grid-column:1/-1;justify-self:start}@media(max-width:600px){#series-config .formgrid{grid-template-columns:1fr}}

.permission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;padding:12px 0}
.permission-grid label{display:flex;align-items:center;gap:7px}
.permission-grid input{min-height:auto;width:auto}
#series-config{margin-top:15px}
h3{font-size:15px;margin:18px 0 8px}

/* Revisión visual v2.0 */
:root{--optica-ink:#132b46;--optica-blue:#1368b4;--optica-line:#dce5ef}
.system-warning{border:1px solid #e6bd72;border-left:5px solid #b97d18;background:#fff9ed;color:#68480f;border-radius:9px;padding:14px 16px;margin:12px 0 20px;font-size:14px}
header nav a{transition:background .16s ease,transform .16s ease;white-space:nowrap}
header nav a:hover{transform:translateY(-1px)}
.panel{overflow-wrap:anywhere}
.panel h2{letter-spacing:-.2px}
input,select,textarea,button{font-family:inherit}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #81b6f4;outline-offset:2px}
button{cursor:pointer}
@media print{header,.quick-actions,.action-link,button{display:none!important}main{max-width:none;padding:0}.panel{box-shadow:none;border:1px solid #ddd}}