:root{
  --blue:#00346A;
  --blue-dark:#00264f;
  --blue-soft:#e8f1f8;
  --orange:#FF5700;
  --orange-dark:#d94a00;
  --orange-soft:#fff0e8;
  --gray-50:#f7f9fc;
  --gray-100:#eef2f7;
  --gray-200:#dce3ee;
  --gray-500:#64748b;
  --gray-700:#334155;
  --gray-900:#0f172a;
  --white:#fff;
  --danger:#dc2626;
  --success:#16a34a;
  --shadow:0 24px 70px rgba(15,23,42,.12);
  --radius:20px;
}
*{box-sizing:border-box}
html{scrollbar-width:thin;scrollbar-color:var(--blue) var(--gray-100)}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(135deg,#f8fbff 0%,#eef4ff 45%,#f7f9fc 100%);color:var(--gray-900)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px;background:radial-gradient(circle at top left,rgba(0,52,106,.22),transparent 32%),linear-gradient(135deg,#f8fbff,#eaf2ff 48%,#f6f8fb)}
.login-layout{width:min(520px,100%);display:block}
.login-card{width:100%;background:var(--white);padding:46px;border-radius:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}
.login-logo,.brand-mark{width:76px;height:62px;border-radius:16px;background:var(--blue);display:grid;place-items:center;box-shadow:0 14px 26px rgba(0,52,106,.24);padding:8px;overflow:hidden}
.login-logo img,.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.brand-mark{width:68px;height:56px;flex:0 0 auto}
.login-card h2{font-size:30px;margin:24px 0 6px}
.login-card p{margin:0 0 24px;color:var(--gray-500)}
.login-help{margin-top:22px;padding:14px;border-radius:16px;background:var(--gray-50);font-size:13px;color:var(--gray-500);line-height:1.6}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:286px;background:rgba(255,255,255,.88);border-right:1px solid var(--gray-200);padding:24px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:30;backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:34px}
.brand strong{display:block;font-size:18px}.brand span{display:block;font-size:12px;color:var(--gray-500);margin-top:2px}
.nav-menu{display:flex;flex-direction:column;gap:8px;flex:1}
.nav-link{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:16px;color:var(--gray-700);font-weight:700;transition:.18s ease;position:relative}
.nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue-dark)}
.nav-link.active:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:99px;background:var(--orange)}
.nav-link.disabled{opacity:.62;cursor:not-allowed}.nav-link em{margin-left:auto;font-style:normal;font-size:10px;background:var(--gray-100);padding:4px 7px;border-radius:999px;color:var(--gray-500)}
.nav-icon{width:24px;height:24px;display:grid;place-items:center;flex:0 0 24px}.nav-icon img{display:block;width:20px;height:20px;object-fit:contain}.sidebar-footer{border-top:1px solid var(--gray-200);padding-top:18px}.sidebar-backdrop{display:none}
.main-area{margin-left:286px;flex:1;min-width:0}.topbar{height:96px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 32px;background:rgba(248,251,255,.82);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}
.topbar h1{font-size:28px;margin:0}.eyebrow{margin:0 0 5px;text-transform:uppercase;letter-spacing:.12em;font-size:11px;color:var(--blue-dark);font-weight:900}.topbar-user{text-align:right;background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:10px 14px;box-shadow:0 8px 22px rgba(15,23,42,.04)}
.topbar-user span{display:block;font-weight:800}.topbar-user small{display:block;color:var(--gray-500);margin-top:3px}.hamburger{display:none;background:#fff;border:1px solid var(--gray-200);border-radius:14px;width:46px;height:46px;padding:10px}.hamburger span{display:block;height:2px;background:var(--gray-900);margin:5px 0;border-radius:5px}
.content-wrap{padding:32px;max-width:1480px;margin:0 auto}.dashboard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:22px}.metric-card,.panel{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);box-shadow:0 16px 45px rgba(15,23,42,.06)}
.metric-card{padding:24px}.metric-card span{display:block;color:var(--gray-500);font-weight:700}.metric-card strong{display:block;font-size:38px;line-height:1;margin:16px 0 8px;color:var(--blue-dark)}.metric-card small{color:var(--gray-500)}
.panel{padding:26px;margin-bottom:24px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}.panel h2{margin:0 0 8px;font-size:25px}.muted{color:var(--gray-500);line-height:1.6;margin:0}.two-col-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}.roadmap-card{border-radius:18px;background:var(--gray-50);padding:22px}.roadmap-card h3{margin:0 0 12px}.roadmap-card ul{margin:0;padding-left:20px;color:var(--gray-700);line-height:1.7}.quick-actions{margin-top:22px}.narrow-panel{max-width:920px}
.form-stack{display:grid;gap:16px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}label{display:grid;gap:8px;font-weight:800;color:var(--gray-700);font-size:14px}input,select{width:100%;border:1px solid var(--gray-200);border-radius:14px;padding:13px 14px;background:#fff;color:var(--gray-900);outline:none;transition:border .18s,box-shadow .18s}input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,52,106,.14)}
.password-wrap{position:relative}.password-wrap input{padding-right:74px}.password-wrap button{position:absolute;right:6px;top:6px;border:0;background:var(--gray-100);border-radius:10px;padding:8px 10px;color:var(--gray-700);font-weight:800;cursor:pointer}.switch-line{display:flex;align-items:center;gap:10px;align-self:end;padding:13px 0}.switch-line input{width:18px;height:18px}.form-actions{grid-column:1/-1;display:flex;gap:12px;justify-content:flex-end;border-top:1px solid var(--gray-200);padding-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:14px;padding:12px 16px;font-weight:900;cursor:pointer;transition:.18s ease;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--orange),var(--orange-dark));color:#fff;box-shadow:0 12px 24px rgba(255,87,0,.24)}.btn-secondary{background:var(--gray-100);color:var(--gray-700)}.btn-light{background:#fff;color:var(--blue-dark);border:1px solid var(--gray-200)}.btn-ghost{background:transparent;color:var(--gray-700);border:1px solid var(--gray-200)}.btn-danger{background:#fee2e2;color:#991b1b}.btn-small{padding:8px 10px;border-radius:11px;font-size:12px}.btn-full{width:100%}
.alert{padding:14px 16px;border-radius:16px;margin-bottom:18px;font-weight:700}.alert-success{background:#dcfce7;color:#166534}.alert-danger{background:#fee2e2;color:#991b1b}.filters-bar{display:grid;grid-template-columns:1fr 210px 180px auto auto;gap:12px;margin-bottom:18px}.table-wrap{overflow:auto;border:1px solid var(--gray-200);border-radius:18px}.data-table{width:100%;border-collapse:separate;border-spacing:0;min-width:860px;background:#fff}.data-table th,.data-table td{padding:16px;border-bottom:1px solid var(--gray-200);text-align:left;vertical-align:middle}.data-table th{background:var(--gray-50);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-500)}.data-table tr:last-child td{border-bottom:0}.data-table td strong{display:block}.data-table td small{display:block;color:var(--gray-500);margin-top:4px}.text-right{text-align:right!important}.actions-cell{white-space:nowrap}.inline-form{display:inline-block;margin-left:6px}.badge,.status-pill{display:inline-flex;align-items:center;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:900}.badge-role{background:var(--blue-soft);color:var(--blue-dark)}.status-pill.ok{background:#dcfce7;color:#166534}.status-pill.off{background:var(--gray-100);color:var(--gray-500)}.empty-state{text-align:center;color:var(--gray-500);padding:34px!important}
@media (max-width:1100px){.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col-panel{grid-template-columns:1fr}}
@media (max-width:860px){.sidebar{transform:translateX(-100%);transition:.22s ease}.sidebar.is-open{transform:translateX(0)}.menu-open .sidebar-backdrop{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:25}.main-area{margin-left:0}.hamburger{display:block}.topbar{height:auto;padding:16px}.topbar-user{display:none}.content-wrap{padding:18px}.panel-head{flex-direction:column}.filters-bar{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.login-body{padding:18px}.login-card{padding:28px}.dashboard-grid{grid-template-columns:1fr}.form-actions{justify-content:stretch;flex-direction:column}.btn{width:100%}}
textarea{width:100%;border:1px solid var(--gray-200);border-radius:14px;padding:13px 14px;background:#fff;color:var(--gray-900);outline:none;transition:border .18s,box-shadow .18s;resize:vertical;font:inherit}
textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,52,106,.14)}
.filters-assets{grid-template-columns:minmax(250px,1.4fr) repeat(4,minmax(145px,.75fr)) auto auto}
.assets-table{min-width:1050px}
.asset-form-panel{max-width:1180px}
.form-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.form-section-title{grid-column:1/-1;margin-top:8px;padding:0 0 12px;border-bottom:1px solid var(--gray-200);font-size:14px;font-weight:900;color:var(--blue-dark);text-transform:uppercase;letter-spacing:.08em}
.form-section-title:first-child{margin-top:0}
.span-2{grid-column:span 2}.span-3{grid-column:1/-1}
.panel-actions,.quick-actions-row{display:flex;gap:10px;flex-wrap:wrap}
.asset-detail-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}
.detail-card{padding:20px;border:1px solid var(--gray-200);border-radius:18px;background:var(--gray-50)}
.detail-card>span{display:block;color:var(--gray-500);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
.detail-card>strong{font-size:17px}
.detail-sections{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.detail-block{border:1px solid var(--gray-200);border-radius:18px;padding:22px;background:#fff}
.detail-block h3{margin:0 0 16px}.detail-list{margin:0}.detail-list>div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--gray-100)}
.detail-list>div:last-child{border-bottom:0}.detail-list dt{color:var(--gray-500);font-weight:700}.detail-list dd{margin:0;font-weight:800}
.notes-box{margin-top:18px;padding:16px;border-radius:14px;background:var(--gray-50);color:var(--gray-700);line-height:1.65;min-height:100px}
@media (max-width:1250px){.filters-assets{grid-template-columns:repeat(3,minmax(0,1fr))}.filters-assets input{grid-column:span 2}.asset-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.filters-assets,.form-grid-3,.asset-detail-grid,.detail-sections{grid-template-columns:1fr}.filters-assets input,.span-2,.span-3{grid-column:auto}.detail-list>div{grid-template-columns:1fr;gap:5px}.panel-actions{width:100%}.panel-actions .btn{width:auto}}

/* Branding Nexa */
.login-card{border-top:4px solid var(--orange)}
.login-card h2{color:var(--blue-dark)}
.eyebrow{color:var(--orange-dark)}
.metric-card strong{color:var(--blue)}
.btn-primary:focus-visible{outline:3px solid var(--orange-soft);outline-offset:3px}

/* Activos: control de entregas y garantías */
.asset-delivery-panel{max-width:1240px}
.filters-assets-delivery{grid-template-columns:minmax(320px,1.8fr) minmax(180px,.8fr) minmax(160px,.7fr) auto auto}
.assets-delivery-table{min-width:1280px}
.detail-sections-delivery{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}
.import-panel{max-width:920px}
.upload-box{display:grid;gap:18px;padding:24px;border:1px dashed var(--blue);border-radius:18px;background:var(--blue-soft)}
.upload-box p{margin:0;color:var(--gray-500);line-height:1.6}
.upload-box input[type=file]{background:#fff}
.upload-box .btn{justify-self:start}
.import-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:20px}
.import-summary article{padding:20px;border:1px solid var(--gray-200);border-radius:16px;background:var(--gray-50);text-align:center}
.import-summary strong{display:block;font-size:30px;color:var(--blue)}
.import-summary span{display:block;margin-top:6px;color:var(--gray-500);font-weight:700}
@media (max-width:1100px){.detail-sections-delivery{grid-template-columns:1fr 1fr}.filters-assets-delivery{grid-template-columns:1fr 1fr}.filters-assets-delivery input:first-child{grid-column:1/-1}}
@media (max-width:860px){.detail-sections-delivery,.filters-assets-delivery,.import-summary{grid-template-columns:1fr}.filters-assets-delivery input:first-child{grid-column:auto}.upload-box .btn{width:100%}}

/* Informes de visita técnica */
.reports-filters{grid-template-columns:minmax(280px,1.5fr) 180px 180px auto auto;align-items:end}
.reports-filters label{font-size:12px}.reports-table{min-width:1120px}.evidence-count{display:inline-flex;padding:6px 8px;border-radius:10px;background:var(--gray-100);font-weight:800;font-size:12px}
.report-form-panel,.report-detail-panel{max-width:1240px}.report-form{display:grid;gap:20px}.report-section{border:1px solid var(--gray-200);border-radius:18px;padding:22px;background:#fff}.report-section h3{margin:0 0 18px;color:var(--blue-dark);font-size:17px}.form-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.upload-section{background:linear-gradient(135deg,var(--blue-soft),#fff)}.mobile-upload{margin-top:14px;padding:18px;border:2px dashed rgba(0,52,106,.35);border-radius:16px;background:#fff;cursor:pointer}.mobile-upload input{margin-top:10px}.sticky-form-actions{position:sticky;bottom:14px;z-index:8;display:flex;justify-content:flex-end;gap:12px;padding:14px;border:1px solid var(--gray-200);border-radius:18px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 12px 34px rgba(15,23,42,.12)}
.file-list{display:grid;gap:10px}.file-list a{display:flex;align-items:center;gap:12px;padding:13px 15px;border:1px solid var(--gray-200);border-radius:14px;background:var(--gray-50)}.file-list a:hover{border-color:var(--blue)}
.report-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}.report-summary-grid article{padding:20px;border:1px solid var(--gray-200);border-radius:17px;background:var(--gray-50)}.report-summary-grid span,.report-summary-grid small{display:block;color:var(--gray-500)}.report-summary-grid strong{display:block;margin:8px 0;line-height:1.4}.report-detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:20px}.report-detail-grid article,.technical-note{padding:22px;border:1px solid var(--gray-200);border-radius:18px;background:#fff}.report-detail-grid h3,.technical-note h3{margin:0 0 14px;color:var(--blue-dark)}.technical-note{margin-bottom:16px}.technical-note p{margin:0;line-height:1.75;color:var(--gray-700)}.evidence-heading{margin:28px 0 14px}.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.photo-grid a{overflow:hidden;border:1px solid var(--gray-200);border-radius:16px;background:#fff}.photo-grid img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.photo-grid span{display:block;padding:12px;font-size:12px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:1100px){.reports-filters{grid-template-columns:1fr 1fr}.reports-filters input[type=search]{grid-column:1/-1}.report-summary-grid{grid-template-columns:1fr 1fr}.report-detail-grid{grid-template-columns:1fr 1fr}.form-grid-4{grid-template-columns:1fr 1fr}.photo-grid{grid-template-columns:1fr 1fr}}
@media(max-width:860px){.reports-filters,.report-summary-grid,.report-detail-grid,.form-grid-4,.photo-grid{grid-template-columns:1fr}.reports-filters input[type=search]{grid-column:auto}.report-section{padding:16px}.report-form-panel{padding:16px}.sticky-form-actions{position:static;flex-direction:column}.sticky-form-actions .btn{width:100%}.mobile-upload{min-height:76px}.report-summary-grid article{padding:16px}}

/* Informes técnicos - evidencias fotográficas por posición */
.photo-slot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.photo-slot-card{display:flex;flex-direction:column;gap:10px;padding:16px;border:1px solid var(--gray-200);border-radius:16px;background:#fff;min-width:0}
.photo-slot-title{font-size:14px;font-weight:800;color:var(--blue-dark)}
.photo-slot-card input[type=file]{padding:11px;background:var(--gray-50);cursor:pointer}
.photo-slot-card small{color:var(--gray-500);font-weight:600;line-height:1.45}
.photo-slot-current,.photo-slot-preview{display:block;overflow:hidden;border:1px solid var(--gray-200);border-radius:14px;background:var(--gray-50);text-decoration:none}
.photo-slot-current img,.photo-slot-preview img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}
.photo-slot-current span,.photo-slot-preview span{display:block;padding:10px 12px;color:var(--gray-500);font-size:12px;font-weight:700}
.photo-slot-preview{min-height:92px;display:grid;place-items:center}
.photo-slot-preview.has-image{display:block;min-height:0}
@media(max-width:860px){.photo-slot-grid{grid-template-columns:1fr}.photo-slot-card{padding:14px}.photo-slot-card input[type=file]{min-height:48px}}

.coverage-pill{display:inline-flex;align-items:center;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:900;background:var(--gray-100);color:var(--gray-500)}
.coverage-pill.contract{background:#e9f2ff;color:#00346A}.coverage-pill.warranty{background:#fff0e8;color:#c54200}