:root{--verde:#0f766e;--rojo:#b91c1c;--amarillo-fondo:#fef3c7;--amarillo-texto:#92400e;--gris:#6b7280;--borde:#d1d5db;color:#111827;background:#f9fafb;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}main{max-width:720px;margin:0 auto;padding:16px}h1{margin:0 0 12px;font-size:1.4rem}h2{margin:20px 0 8px;font-size:1.1rem}label{flex-direction:column;gap:4px;margin-bottom:12px;font-weight:600;display:flex}input,select{border:1px solid var(--borde);border-radius:8px;padding:10px;font-size:1rem;font-weight:400}button,.boton-primario,.boton-secundario{border:1px solid var(--borde);cursor:pointer;color:inherit;text-align:center;background:#fff;border-radius:8px;padding:12px 16px;font-size:1rem;text-decoration:none;display:inline-block}.boton-primario{background:var(--verde);color:#fff;border-color:var(--verde)}button:disabled{opacity:.5;cursor:not-allowed}.boton-link{color:var(--verde);background:0 0;border:none;padding:8px 0;text-decoration:underline}.centrado{text-align:center;padding:32px 16px}.tarjeta{border:1px solid var(--borde);background:#fff;border-radius:12px;max-width:480px;margin:24px auto;padding:16px}.fila{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.aviso-amarillo{background:var(--amarillo-fondo);color:var(--amarillo-texto);border-radius:8px;padding:8px 12px}.alerta-roja{color:var(--rojo);background:#fee2e2;border-radius:8px;margin:4px 0;padding:8px 12px}.mensaje-ok{color:#065f46;background:#d1fae5;border-radius:8px;padding:8px 12px}.encabezado{background:var(--verde);color:#fff;padding:8px 16px}.encabezado a{color:#fff;margin-right:12px}.encabezado nav{margin:6px 0}.obra-activa{font-size:1.2rem;display:block}.contador-pendientes{color:var(--verde);background:#fff;border-radius:999px;padding:0 8px;font-weight:700}.contador-pendientes.hay{color:#111;background:#fbbf24}.lector{border:6px solid var(--verde);text-align:center;border-radius:50%;justify-content:center;align-items:center;width:220px;height:220px;margin:32px auto;padding:16px;font-size:1.2rem;font-weight:700;display:flex}.lista{margin:0;padding:0;list-style:none}.lista li{border-bottom:1px solid var(--borde);padding:10px 0}.fila-epp.seleccionada{background:#ecfdf5}.fila-epp__titulo{justify-content:space-between;align-items:center;gap:8px;display:flex}.fila-epp__detalle{grid-template-columns:1fr 1fr;gap:8px;margin-top:8px;display:grid}.contador{align-items:center;gap:8px;display:flex}.contador button{width:44px;height:44px;padding:0;font-size:1.4rem}.barra-inferior{background:#f9fafb;padding:12px 0;position:sticky;bottom:0}.barra-inferior .boton-primario{width:100%}.firma-pad{border:2px dashed var(--borde);touch-action:none;background:#fff;border-radius:8px;width:100%;height:50vh;display:block}.firma-pantalla{z-index:100;box-sizing:border-box;background:#f9fafb;flex-direction:column;gap:8px;padding:12px;display:flex;position:fixed;inset:0}.firma-pantalla__titulo{margin:0;font-weight:700}.firma-pantalla .firma-pad{flex:1;height:auto;min-height:0}.firma-pantalla__botones{justify-content:space-between}.firma-pantalla__botones button{flex:1}.pestanas{flex-wrap:wrap;gap:4px;margin-bottom:16px;display:flex}.pestanas button[aria-pressed=true]{background:var(--verde);color:#fff}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--borde);padding:6px}